diff options
Diffstat (limited to 'include/os/linux/zfs')
26 files changed, 3161 insertions, 0 deletions
diff --git a/include/os/linux/zfs/Makefile.am b/include/os/linux/zfs/Makefile.am new file mode 100644 index 0000000000000..081839c48c8fa --- /dev/null +++ b/include/os/linux/zfs/Makefile.am @@ -0,0 +1 @@ +SUBDIRS = sys diff --git a/include/os/linux/zfs/sys/Makefile.am b/include/os/linux/zfs/sys/Makefile.am new file mode 100644 index 0000000000000..732d94ee804e7 --- /dev/null +++ b/include/os/linux/zfs/sys/Makefile.am @@ -0,0 +1,30 @@ +KERNEL_H = \ + policy.h \ + sha2.h \ + trace_acl.h \ + trace_arc.h \ + trace_common.h \ + trace_zfs.h \ + trace_dbgmsg.h \ + trace_dbuf.h \ + trace_dmu.h \ + trace_dnode.h \ + trace_multilist.h \ + trace_rrwlock.h \ + trace_txg.h \ + trace_vdev.h \ + trace_zil.h \ + trace_zio.h \ + trace_zrlock.h \ + zfs_context_os.h \ + zfs_ctldir.h \ + zfs_dir.h \ + zfs_vfsops.h \ + zfs_vnops.h \ + zfs_znode_impl.h \ + zpl.h + +if CONFIG_KERNEL +kerneldir = @prefix@/src/zfs-$(VERSION)/include/sys +kernel_HEADERS = $(KERNEL_H) +endif diff --git a/include/os/linux/zfs/sys/policy.h b/include/os/linux/zfs/sys/policy.h new file mode 100644 index 0000000000000..77a73ad149c54 --- /dev/null +++ b/include/os/linux/zfs/sys/policy.h @@ -0,0 +1,61 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright 2015, Joyent, Inc. All rights reserved. + * Copyright (c) 2016, Lawrence Livermore National Security, LLC. + */ + +#ifndef _SYS_POLICY_H +#define _SYS_POLICY_H + +#ifdef _KERNEL + +#include <sys/cred.h> +#include <sys/types.h> +#include <sys/xvattr.h> +#include <sys/zpl.h> + +int secpolicy_nfs(const cred_t *); +int secpolicy_sys_config(const cred_t *, boolean_t); +int secpolicy_vnode_access2(const cred_t *, struct inode *, + uid_t, mode_t, mode_t); +int secpolicy_vnode_any_access(const cred_t *, struct inode *, uid_t); +int secpolicy_vnode_chown(const cred_t *, uid_t); +int secpolicy_vnode_create_gid(const cred_t *); +int secpolicy_vnode_remove(const cred_t *); +int secpolicy_vnode_setdac(const cred_t *, uid_t); +int secpolicy_vnode_setid_retain(const cred_t *, boolean_t); +int secpolicy_vnode_setids_setgids(const cred_t *, gid_t); +int secpolicy_zinject(const cred_t *); +int secpolicy_zfs(const cred_t *); +int secpolicy_zfs_proc(const cred_t *, proc_t *); +void secpolicy_setid_clear(vattr_t *, cred_t *); +int secpolicy_setid_setsticky_clear(struct inode *, vattr_t *, + const vattr_t *, cred_t *); +int secpolicy_xvattr(xvattr_t *, uid_t, cred_t *, mode_t); +int secpolicy_vnode_setattr(cred_t *, struct inode *, struct vattr *, + const struct vattr *, int, int (void *, int, cred_t *), void *); +int secpolicy_basic_link(const cred_t *); + +#endif /* _KERNEL */ +#endif /* _SYS_POLICY_H */ diff --git a/include/os/linux/zfs/sys/sha2.h b/include/os/linux/zfs/sys/sha2.h new file mode 100644 index 0000000000000..4dd966b6cab3e --- /dev/null +++ b/include/os/linux/zfs/sys/sha2.h @@ -0,0 +1,151 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2009 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ +/* Copyright 2013 Saso Kiselkov. All rights reserved. */ + +#ifndef _SYS_SHA2_H +#define _SYS_SHA2_H + +#include <sys/types.h> /* for uint_* */ + +#ifdef __cplusplus +extern "C" { +#endif + +#define SHA2_HMAC_MIN_KEY_LEN 1 /* SHA2-HMAC min key length in bytes */ +#define SHA2_HMAC_MAX_KEY_LEN INT_MAX /* SHA2-HMAC max key length in bytes */ + +#define SHA256_DIGEST_LENGTH 32 /* SHA256 digest length in bytes */ +#define SHA384_DIGEST_LENGTH 48 /* SHA384 digest length in bytes */ +#define SHA512_DIGEST_LENGTH 64 /* SHA512 digest length in bytes */ + +/* Truncated versions of SHA-512 according to FIPS-180-4, section 5.3.6 */ +#define SHA512_224_DIGEST_LENGTH 28 /* SHA512/224 digest length */ +#define SHA512_256_DIGEST_LENGTH 32 /* SHA512/256 digest length */ + +#define SHA256_HMAC_BLOCK_SIZE 64 /* SHA256-HMAC block size */ +#define SHA512_HMAC_BLOCK_SIZE 128 /* SHA512-HMAC block size */ + +#define SHA256 0 +#define SHA256_HMAC 1 +#define SHA256_HMAC_GEN 2 +#define SHA384 3 +#define SHA384_HMAC 4 +#define SHA384_HMAC_GEN 5 +#define SHA512 6 +#define SHA512_HMAC 7 +#define SHA512_HMAC_GEN 8 +#define SHA512_224 9 +#define SHA512_256 10 + +/* + * SHA2 context. + * The contents of this structure are a private interface between the + * Init/Update/Final calls of the functions defined below. + * Callers must never attempt to read or write any of the fields + * in this structure directly. + */ +typedef struct { + uint32_t algotype; /* Algorithm Type */ + + /* state (ABCDEFGH) */ + union { + uint32_t s32[8]; /* for SHA256 */ + uint64_t s64[8]; /* for SHA384/512 */ + } state; + /* number of bits */ + union { + uint32_t c32[2]; /* for SHA256 , modulo 2^64 */ + uint64_t c64[2]; /* for SHA384/512, modulo 2^128 */ + } count; + union { + uint8_t buf8[128]; /* undigested input */ + uint32_t buf32[32]; /* realigned input */ + uint64_t buf64[16]; /* realigned input */ + } buf_un; +} SHA2_CTX; + +typedef SHA2_CTX SHA256_CTX; +typedef SHA2_CTX SHA384_CTX; +typedef SHA2_CTX SHA512_CTX; + +extern void SHA2Init(uint64_t mech, SHA2_CTX *); + +extern void SHA2Update(SHA2_CTX *, const void *, size_t); + +extern void SHA2Final(void *, SHA2_CTX *); + +extern void SHA256Init(SHA256_CTX *); + +extern void SHA256Update(SHA256_CTX *, const void *, size_t); + +extern void SHA256Final(void *, SHA256_CTX *); + +extern void SHA384Init(SHA384_CTX *); + +extern void SHA384Update(SHA384_CTX *, const void *, size_t); + +extern void SHA384Final(void *, SHA384_CTX *); + +extern void SHA512Init(SHA512_CTX *); + +extern void SHA512Update(SHA512_CTX *, const void *, size_t); + +extern void SHA512Final(void *, SHA512_CTX *); + +#ifdef _SHA2_IMPL +/* + * The following types/functions are all private to the implementation + * of the SHA2 functions and must not be used by consumers of the interface + */ + +/* + * List of support mechanisms in this module. + * + * It is important to note that in the module, division or modulus calculations + * are used on the enumerated type to determine which mechanism is being used; + * therefore, changing the order or additional mechanisms should be done + * carefully + */ +typedef enum sha2_mech_type { + SHA256_MECH_INFO_TYPE, /* SUN_CKM_SHA256 */ + SHA256_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC */ + SHA256_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA256_HMAC_GENERAL */ + SHA384_MECH_INFO_TYPE, /* SUN_CKM_SHA384 */ + SHA384_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC */ + SHA384_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA384_HMAC_GENERAL */ + SHA512_MECH_INFO_TYPE, /* SUN_CKM_SHA512 */ + SHA512_HMAC_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC */ + SHA512_HMAC_GEN_MECH_INFO_TYPE, /* SUN_CKM_SHA512_HMAC_GENERAL */ + SHA512_224_MECH_INFO_TYPE, /* SUN_CKM_SHA512_224 */ + SHA512_256_MECH_INFO_TYPE /* SUN_CKM_SHA512_256 */ +} sha2_mech_type_t; + +#endif /* _SHA2_IMPL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_SHA2_H */ diff --git a/include/os/linux/zfs/sys/trace_acl.h b/include/os/linux/zfs/sys/trace_acl.h new file mode 100644 index 0000000000000..083560952f0bf --- /dev/null +++ b/include/os/linux/zfs/sys/trace_acl.h @@ -0,0 +1,164 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_acl + +#if !defined(_TRACE_ACL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ACL_H + +#include <linux/tracepoint.h> +#include <linux/vfs_compat.h> +#include <sys/types.h> + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * znode_t *, ..., + * zfs_ace_hdr_t *, ..., + * uint32_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_ace_class, + TP_PROTO(znode_t *zn, zfs_ace_hdr_t *ace, uint32_t mask_matched), + TP_ARGS(zn, ace, mask_matched), + TP_STRUCT__entry( + __field(uint64_t, z_id) + __field(uint8_t, z_unlinked) + __field(uint8_t, z_atime_dirty) + __field(uint8_t, z_zn_prefetch) + __field(uint8_t, z_moved) + __field(uint_t, z_blksz) + __field(uint_t, z_seq) + __field(uint64_t, z_mapcnt) + __field(uint64_t, z_size) + __field(uint64_t, z_pflags) + __field(uint32_t, z_sync_cnt) + __field(mode_t, z_mode) + __field(boolean_t, z_is_sa) + __field(boolean_t, z_is_mapped) + __field(boolean_t, z_is_ctldir) + __field(boolean_t, z_is_stale) + + __field(uint32_t, i_uid) + __field(uint32_t, i_gid) + __field(unsigned long, i_ino) + __field(unsigned int, i_nlink) + __field(loff_t, i_size) + __field(unsigned int, i_blkbits) + __field(unsigned short, i_bytes) + __field(umode_t, i_mode) + __field(__u32, i_generation) + + __field(uint16_t, z_type) + __field(uint16_t, z_flags) + __field(uint32_t, z_access_mask) + + __field(uint32_t, mask_matched) + ), + TP_fast_assign( + __entry->z_id = zn->z_id; + __entry->z_unlinked = zn->z_unlinked; + __entry->z_atime_dirty = zn->z_atime_dirty; + __entry->z_zn_prefetch = zn->z_zn_prefetch; + __entry->z_moved = zn->z_moved; + __entry->z_blksz = zn->z_blksz; + __entry->z_seq = zn->z_seq; + __entry->z_mapcnt = zn->z_mapcnt; + __entry->z_size = zn->z_size; + __entry->z_pflags = zn->z_pflags; + __entry->z_sync_cnt = zn->z_sync_cnt; + __entry->z_mode = zn->z_mode; + __entry->z_is_sa = zn->z_is_sa; + __entry->z_is_mapped = zn->z_is_mapped; + __entry->z_is_ctldir = zn->z_is_ctldir; + __entry->z_is_stale = zn->z_is_stale; + + __entry->i_uid = KUID_TO_SUID(ZTOI(zn)->i_uid); + __entry->i_gid = KGID_TO_SGID(ZTOI(zn)->i_gid); + __entry->i_ino = zn->z_inode.i_ino; + __entry->i_nlink = zn->z_inode.i_nlink; + __entry->i_size = zn->z_inode.i_size; + __entry->i_blkbits = zn->z_inode.i_blkbits; + __entry->i_bytes = zn->z_inode.i_bytes; + __entry->i_mode = zn->z_inode.i_mode; + __entry->i_generation = zn->z_inode.i_generation; + + __entry->z_type = ace->z_type; + __entry->z_flags = ace->z_flags; + __entry->z_access_mask = ace->z_access_mask; + + __entry->mask_matched = mask_matched; + ), + TP_printk("zn { id %llu unlinked %u atime_dirty %u " + "zn_prefetch %u moved %u blksz %u seq %u " + "mapcnt %llu size %llu pflags %llu " + "sync_cnt %u mode 0x%x is_sa %d " + "is_mapped %d is_ctldir %d is_stale %d inode { " + "uid %u gid %u ino %lu nlink %u size %lli " + "blkbits %u bytes %u mode 0x%x generation %x } } " + "ace { type %u flags %u access_mask %u } mask_matched %u", + __entry->z_id, __entry->z_unlinked, __entry->z_atime_dirty, + __entry->z_zn_prefetch, __entry->z_moved, __entry->z_blksz, + __entry->z_seq, __entry->z_mapcnt, __entry->z_size, + __entry->z_pflags, __entry->z_sync_cnt, __entry->z_mode, + __entry->z_is_sa, __entry->z_is_mapped, + __entry->z_is_ctldir, __entry->z_is_stale, __entry->i_uid, + __entry->i_gid, __entry->i_ino, __entry->i_nlink, + __entry->i_size, __entry->i_blkbits, + __entry->i_bytes, __entry->i_mode, __entry->i_generation, + __entry->z_type, __entry->z_flags, __entry->z_access_mask, + __entry->mask_matched) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_ACE_EVENT(name) \ +DEFINE_EVENT(zfs_ace_class, name, \ + TP_PROTO(znode_t *zn, zfs_ace_hdr_t *ace, uint32_t mask_matched), \ + TP_ARGS(zn, ace, mask_matched)) +/* END CSTYLED */ +DEFINE_ACE_EVENT(zfs_zfs__ace__denies); +DEFINE_ACE_EVENT(zfs_zfs__ace__allows); + +#endif /* _TRACE_ACL_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_acl +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE3(zfs__ace__denies); +DEFINE_DTRACE_PROBE3(zfs__ace__allows); +DEFINE_DTRACE_PROBE(zfs__fastpath__execute__access__miss); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_arc.h b/include/os/linux/zfs/sys/trace_arc.h new file mode 100644 index 0000000000000..3df491f8b3922 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_arc.h @@ -0,0 +1,419 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#include <sys/list.h> + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_arc + +#if !defined(_TRACE_ARC_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ARC_H + +#include <linux/tracepoint.h> +#include <sys/types.h> +#include <sys/trace_common.h> /* For ZIO macros */ + +/* + * Generic support for one argument tracepoints of the form: + * + * DTRACE_PROBE1(..., + * arc_buf_hdr_t *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_arc_buf_hdr_class, + TP_PROTO(arc_buf_hdr_t *ab), + TP_ARGS(ab), + TP_STRUCT__entry( + __array(uint64_t, hdr_dva_word, 2) + __field(uint64_t, hdr_birth) + __field(uint32_t, hdr_flags) + __field(uint32_t, hdr_bufcnt) + __field(arc_buf_contents_t, hdr_type) + __field(uint16_t, hdr_psize) + __field(uint16_t, hdr_lsize) + __field(uint64_t, hdr_spa) + __field(arc_state_type_t, hdr_state_type) + __field(clock_t, hdr_access) + __field(uint32_t, hdr_mru_hits) + __field(uint32_t, hdr_mru_ghost_hits) + __field(uint32_t, hdr_mfu_hits) + __field(uint32_t, hdr_mfu_ghost_hits) + __field(uint32_t, hdr_l2_hits) + __field(int64_t, hdr_refcount) + ), + TP_fast_assign( + __entry->hdr_dva_word[0] = ab->b_dva.dva_word[0]; + __entry->hdr_dva_word[1] = ab->b_dva.dva_word[1]; + __entry->hdr_birth = ab->b_birth; + __entry->hdr_flags = ab->b_flags; + __entry->hdr_bufcnt = ab->b_l1hdr.b_bufcnt; + __entry->hdr_psize = ab->b_psize; + __entry->hdr_lsize = ab->b_lsize; + __entry->hdr_spa = ab->b_spa; + __entry->hdr_state_type = ab->b_l1hdr.b_state->arcs_state; + __entry->hdr_access = ab->b_l1hdr.b_arc_access; + __entry->hdr_mru_hits = ab->b_l1hdr.b_mru_hits; + __entry->hdr_mru_ghost_hits = ab->b_l1hdr.b_mru_ghost_hits; + __entry->hdr_mfu_hits = ab->b_l1hdr.b_mfu_hits; + __entry->hdr_mfu_ghost_hits = ab->b_l1hdr.b_mfu_ghost_hits; + __entry->hdr_l2_hits = ab->b_l1hdr.b_l2_hits; + __entry->hdr_refcount = ab->b_l1hdr.b_refcnt.rc_count; + ), + TP_printk("hdr { dva 0x%llx:0x%llx birth %llu " + "flags 0x%x bufcnt %u type %u psize %u lsize %u spa %llu " + "state_type %u access %lu mru_hits %u mru_ghost_hits %u " + "mfu_hits %u mfu_ghost_hits %u l2_hits %u refcount %lli }", + __entry->hdr_dva_word[0], __entry->hdr_dva_word[1], + __entry->hdr_birth, __entry->hdr_flags, + __entry->hdr_bufcnt, __entry->hdr_type, __entry->hdr_psize, + __entry->hdr_lsize, __entry->hdr_spa, __entry->hdr_state_type, + __entry->hdr_access, __entry->hdr_mru_hits, + __entry->hdr_mru_ghost_hits, __entry->hdr_mfu_hits, + __entry->hdr_mfu_ghost_hits, __entry->hdr_l2_hits, + __entry->hdr_refcount) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_ARC_BUF_HDR_EVENT(name) \ +DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \ + TP_PROTO(arc_buf_hdr_t *ab), \ + TP_ARGS(ab)) +/* END CSTYLED */ +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete); +DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru); +DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__async__upgrade__sync); +DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch); +DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit); +DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss); + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * vdev_t *, ..., + * zio_t *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_l2arc_rw_class, + TP_PROTO(vdev_t *vd, zio_t *zio), + TP_ARGS(vd, zio), + TP_STRUCT__entry( + __field(uint64_t, vdev_id) + __field(uint64_t, vdev_guid) + __field(uint64_t, vdev_state) + ZIO_TP_STRUCT_ENTRY + ), + TP_fast_assign( + __entry->vdev_id = vd->vdev_id; + __entry->vdev_guid = vd->vdev_guid; + __entry->vdev_state = vd->vdev_state; + ZIO_TP_FAST_ASSIGN + ), + TP_printk("vdev { id %llu guid %llu state %llu } " + ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid, + __entry->vdev_state, ZIO_TP_PRINTK_ARGS) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_L2ARC_RW_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_rw_class, name, \ + TP_PROTO(vdev_t *vd, zio_t *zio), \ + TP_ARGS(vd, zio)) +/* END CSTYLED */ +DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read); +DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write); + + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zio_t *, ..., + * l2arc_write_callback_t *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class, + TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), + TP_ARGS(zio, cb), + TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY), + TP_fast_assign(ZIO_TP_FAST_ASSIGN), + TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_L2ARC_IODONE_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_iodone_class, name, \ + TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \ + TP_ARGS(zio, cb)) +/* END CSTYLED */ +DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone); + + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * arc_buf_hdr_t *, ..., + * const blkptr_t *, + * uint64_t, + * const zbookmark_phys_t *); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_arc_miss_class, + TP_PROTO(arc_buf_hdr_t *hdr, + const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), + TP_ARGS(hdr, bp, size, zb), + TP_STRUCT__entry( + __array(uint64_t, hdr_dva_word, 2) + __field(uint64_t, hdr_birth) + __field(uint32_t, hdr_flags) + __field(uint32_t, hdr_bufcnt) + __field(arc_buf_contents_t, hdr_type) + __field(uint16_t, hdr_psize) + __field(uint16_t, hdr_lsize) + __field(uint64_t, hdr_spa) + __field(arc_state_type_t, hdr_state_type) + __field(clock_t, hdr_access) + __field(uint32_t, hdr_mru_hits) + __field(uint32_t, hdr_mru_ghost_hits) + __field(uint32_t, hdr_mfu_hits) + __field(uint32_t, hdr_mfu_ghost_hits) + __field(uint32_t, hdr_l2_hits) + __field(int64_t, hdr_refcount) + + __array(uint64_t, bp_dva0, 2) + __array(uint64_t, bp_dva1, 2) + __array(uint64_t, bp_dva2, 2) + __array(uint64_t, bp_cksum, 4) + + __field(uint64_t, bp_lsize) + + __field(uint64_t, zb_objset) + __field(uint64_t, zb_object) + __field(int64_t, zb_level) + __field(uint64_t, zb_blkid) + ), + TP_fast_assign( + __entry->hdr_dva_word[0] = hdr->b_dva.dva_word[0]; + __entry->hdr_dva_word[1] = hdr->b_dva.dva_word[1]; + __entry->hdr_birth = hdr->b_birth; + __entry->hdr_flags = hdr->b_flags; + __entry->hdr_bufcnt = hdr->b_l1hdr.b_bufcnt; + __entry->hdr_psize = hdr->b_psize; + __entry->hdr_lsize = hdr->b_lsize; + __entry->hdr_spa = hdr->b_spa; + __entry->hdr_state_type = hdr->b_l1hdr.b_state->arcs_state; + __entry->hdr_access = hdr->b_l1hdr.b_arc_access; + __entry->hdr_mru_hits = hdr->b_l1hdr.b_mru_hits; + __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits; + __entry->hdr_mfu_hits = hdr->b_l1hdr.b_mfu_hits; + __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits; + __entry->hdr_l2_hits = hdr->b_l1hdr.b_l2_hits; + __entry->hdr_refcount = hdr->b_l1hdr.b_refcnt.rc_count; + + __entry->bp_dva0[0] = bp->blk_dva[0].dva_word[0]; + __entry->bp_dva0[1] = bp->blk_dva[0].dva_word[1]; + __entry->bp_dva1[0] = bp->blk_dva[1].dva_word[0]; + __entry->bp_dva1[1] = bp->blk_dva[1].dva_word[1]; + __entry->bp_dva2[0] = bp->blk_dva[2].dva_word[0]; + __entry->bp_dva2[1] = bp->blk_dva[2].dva_word[1]; + __entry->bp_cksum[0] = bp->blk_cksum.zc_word[0]; + __entry->bp_cksum[1] = bp->blk_cksum.zc_word[1]; + __entry->bp_cksum[2] = bp->blk_cksum.zc_word[2]; + __entry->bp_cksum[3] = bp->blk_cksum.zc_word[3]; + + __entry->bp_lsize = size; + + __entry->zb_objset = zb->zb_objset; + __entry->zb_object = zb->zb_object; + __entry->zb_level = zb->zb_level; + __entry->zb_blkid = zb->zb_blkid; + ), + TP_printk("hdr { dva 0x%llx:0x%llx birth %llu " + "flags 0x%x bufcnt %u psize %u lsize %u spa %llu state_type %u " + "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u " + "mfu_ghost_hits %u l2_hits %u refcount %lli } " + "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 " + "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx " + "lsize %llu } zb { objset %llu object %llu level %lli " + "blkid %llu }", + __entry->hdr_dva_word[0], __entry->hdr_dva_word[1], + __entry->hdr_birth, __entry->hdr_flags, + __entry->hdr_bufcnt, __entry->hdr_psize, __entry->hdr_lsize, + __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access, + __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits, + __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits, + __entry->hdr_l2_hits, __entry->hdr_refcount, + __entry->bp_dva0[0], __entry->bp_dva0[1], + __entry->bp_dva1[0], __entry->bp_dva1[1], + __entry->bp_dva2[0], __entry->bp_dva2[1], + __entry->bp_cksum[0], __entry->bp_cksum[1], + __entry->bp_cksum[2], __entry->bp_cksum[3], + __entry->bp_lsize, __entry->zb_objset, __entry->zb_object, + __entry->zb_level, __entry->zb_blkid) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_ARC_MISS_EVENT(name) \ +DEFINE_EVENT(zfs_arc_miss_class, name, \ + TP_PROTO(arc_buf_hdr_t *hdr, \ + const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \ + TP_ARGS(hdr, bp, size, zb)) +/* END CSTYLED */ +DEFINE_ARC_MISS_EVENT(zfs_arc__miss); + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * l2arc_dev_t *, ..., + * list_t *, ..., + * uint64_t, ..., + * boolean_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_l2arc_evict_class, + TP_PROTO(l2arc_dev_t *dev, + list_t *buflist, uint64_t taddr, boolean_t all), + TP_ARGS(dev, buflist, taddr, all), + TP_STRUCT__entry( + __field(uint64_t, vdev_id) + __field(uint64_t, vdev_guid) + __field(uint64_t, vdev_state) + + __field(uint64_t, l2ad_hand) + __field(uint64_t, l2ad_start) + __field(uint64_t, l2ad_end) + __field(boolean_t, l2ad_first) + __field(boolean_t, l2ad_writing) + + __field(uint64_t, taddr) + __field(boolean_t, all) + ), + TP_fast_assign( + __entry->vdev_id = dev->l2ad_vdev->vdev_id; + __entry->vdev_guid = dev->l2ad_vdev->vdev_guid; + __entry->vdev_state = dev->l2ad_vdev->vdev_state; + + __entry->l2ad_hand = dev->l2ad_hand; + __entry->l2ad_start = dev->l2ad_start; + __entry->l2ad_end = dev->l2ad_end; + __entry->l2ad_first = dev->l2ad_first; + __entry->l2ad_writing = dev->l2ad_writing; + + __entry->taddr = taddr; + __entry->all = all; + ), + TP_printk("l2ad { vdev { id %llu guid %llu state %llu } " + "hand %llu start %llu end %llu " + "first %d writing %d } taddr %llu all %d", + __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state, + __entry->l2ad_hand, __entry->l2ad_start, + __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing, + __entry->taddr, __entry->all) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_L2ARC_EVICT_EVENT(name) \ +DEFINE_EVENT(zfs_l2arc_evict_class, name, \ + TP_PROTO(l2arc_dev_t *dev, \ + list_t *buflist, uint64_t taddr, boolean_t all), \ + TP_ARGS(dev, buflist, taddr, all)) +/* END CSTYLED */ +DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict); + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * uint64_t, ..., + * uint64_t, ..., + * uint64_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_arc_wait_for_eviction_class, + TP_PROTO(uint64_t amount, uint64_t arc_evict_count, uint64_t aew_count), + TP_ARGS(amount, arc_evict_count, aew_count), + TP_STRUCT__entry( + __field(uint64_t, amount) + __field(uint64_t, arc_evict_count) + __field(uint64_t, aew_count) + ), + TP_fast_assign( + __entry->amount = amount; + __entry->arc_evict_count = arc_evict_count; + __entry->aew_count = aew_count; + ), + TP_printk("amount %llu arc_evict_count %llu aew_count %llu", + __entry->amount, __entry->arc_evict_count, __entry->aew_count) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_ARC_WAIT_FOR_EVICTION_EVENT(name) \ +DEFINE_EVENT(zfs_arc_wait_for_eviction_class, name, \ + TP_PROTO(uint64_t amount, uint64_t arc_evict_count, uint64_t aew_count), \ + TP_ARGS(amount, arc_evict_count, aew_count)) +/* END CSTYLED */ +DEFINE_ARC_WAIT_FOR_EVICTION_EVENT(zfs_arc__wait__for__eviction); + +#endif /* _TRACE_ARC_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_arc +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE1(arc__hit); +DEFINE_DTRACE_PROBE1(arc__evict); +DEFINE_DTRACE_PROBE1(arc__delete); +DEFINE_DTRACE_PROBE1(new_state__mru); +DEFINE_DTRACE_PROBE1(new_state__mfu); +DEFINE_DTRACE_PROBE1(arc__async__upgrade__sync); +DEFINE_DTRACE_PROBE1(arc__demand__hit__predictive__prefetch); +DEFINE_DTRACE_PROBE1(l2arc__hit); +DEFINE_DTRACE_PROBE1(l2arc__miss); +DEFINE_DTRACE_PROBE2(l2arc__read); +DEFINE_DTRACE_PROBE2(l2arc__write); +DEFINE_DTRACE_PROBE2(l2arc__iodone); +DEFINE_DTRACE_PROBE3(arc__wait__for__eviction); +DEFINE_DTRACE_PROBE4(arc__miss); +DEFINE_DTRACE_PROBE4(l2arc__evict); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_common.h b/include/os/linux/zfs/sys/trace_common.h new file mode 100644 index 0000000000000..6922d1a1810af --- /dev/null +++ b/include/os/linux/zfs/sys/trace_common.h @@ -0,0 +1,112 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * This file contains commonly used trace macros. Feel free to add and use + * them in your tracepoint headers. + */ + +#ifndef _SYS_TRACE_COMMON_H +#define _SYS_TRACE_COMMON_H +#include <linux/tracepoint.h> + +/* ZIO macros */ +#define ZIO_TP_STRUCT_ENTRY \ + __field(zio_type_t, zio_type) \ + __field(int, zio_cmd) \ + __field(zio_priority_t, zio_priority) \ + __field(uint64_t, zio_size) \ + __field(uint64_t, zio_orig_size) \ + __field(uint64_t, zio_offset) \ + __field(hrtime_t, zio_timestamp) \ + __field(hrtime_t, zio_delta) \ + __field(uint64_t, zio_delay) \ + __field(enum zio_flag, zio_flags) \ + __field(enum zio_stage, zio_stage) \ + __field(enum zio_stage, zio_pipeline) \ + __field(enum zio_flag, zio_orig_flags) \ + __field(enum zio_stage, zio_orig_stage) \ + __field(enum zio_stage, zio_orig_pipeline) \ + __field(uint8_t, zio_reexecute) \ + __field(uint64_t, zio_txg) \ + __field(int, zio_error) \ + __field(uint64_t, zio_ena) \ + \ + __field(enum zio_checksum, zp_checksum) \ + __field(enum zio_compress, zp_compress) \ + __field(dmu_object_type_t, zp_type) \ + __field(uint8_t, zp_level) \ + __field(uint8_t, zp_copies) \ + __field(boolean_t, zp_dedup) \ + __field(boolean_t, zp_dedup_verify) \ + __field(boolean_t, zp_nopwrite) + +#define ZIO_TP_FAST_ASSIGN \ + __entry->zio_type = zio->io_type; \ + __entry->zio_cmd = zio->io_cmd; \ + __entry->zio_priority = zio->io_priority; \ + __entry->zio_size = zio->io_size; \ + __entry->zio_orig_size = zio->io_orig_size; \ + __entry->zio_offset = zio->io_offset; \ + __entry->zio_timestamp = zio->io_timestamp; \ + __entry->zio_delta = zio->io_delta; \ + __entry->zio_delay = zio->io_delay; \ + __entry->zio_flags = zio->io_flags; \ + __entry->zio_stage = zio->io_stage; \ + __entry->zio_pipeline = zio->io_pipeline; \ + __entry->zio_orig_flags = zio->io_orig_flags; \ + __entry->zio_orig_stage = zio->io_orig_stage; \ + __entry->zio_orig_pipeline = zio->io_orig_pipeline; \ + __entry->zio_reexecute = zio->io_reexecute; \ + __entry->zio_txg = zio->io_txg; \ + __entry->zio_error = zio->io_error; \ + __entry->zio_ena = zio->io_ena; \ + \ + __entry->zp_checksum = zio->io_prop.zp_checksum; \ + __entry->zp_compress = zio->io_prop.zp_compress; \ + __entry->zp_type = zio->io_prop.zp_type; \ + __entry->zp_level = zio->io_prop.zp_level; \ + __entry->zp_copies = zio->io_prop.zp_copies; \ + __entry->zp_dedup = zio->io_prop.zp_dedup; \ + __entry->zp_nopwrite = zio->io_prop.zp_nopwrite; \ + __entry->zp_dedup_verify = zio->io_prop.zp_dedup_verify; + +#define ZIO_TP_PRINTK_FMT \ + "zio { type %u cmd %i prio %u size %llu orig_size %llu " \ + "offset %llu timestamp %llu delta %llu delay %llu " \ + "flags 0x%x stage 0x%x pipeline 0x%x orig_flags 0x%x " \ + "orig_stage 0x%x orig_pipeline 0x%x reexecute %u " \ + "txg %llu error %d ena %llu prop { checksum %u compress %u " \ + "type %u level %u copies %u dedup %u dedup_verify %u nopwrite %u } }" + +#define ZIO_TP_PRINTK_ARGS \ + __entry->zio_type, __entry->zio_cmd, __entry->zio_priority, \ + __entry->zio_size, __entry->zio_orig_size, __entry->zio_offset, \ + __entry->zio_timestamp, __entry->zio_delta, __entry->zio_delay, \ + __entry->zio_flags, __entry->zio_stage, __entry->zio_pipeline, \ + __entry->zio_orig_flags, __entry->zio_orig_stage, \ + __entry->zio_orig_pipeline, __entry->zio_reexecute, \ + __entry->zio_txg, __entry->zio_error, __entry->zio_ena, \ + __entry->zp_checksum, __entry->zp_compress, __entry->zp_type, \ + __entry->zp_level, __entry->zp_copies, __entry->zp_dedup, \ + __entry->zp_dedup_verify, __entry->zp_nopwrite + +#endif /* _SYS_TRACE_COMMON_H */ diff --git a/include/os/linux/zfs/sys/trace_dbgmsg.h b/include/os/linux/zfs/sys/trace_dbgmsg.h new file mode 100644 index 0000000000000..513918d004a4f --- /dev/null +++ b/include/os/linux/zfs/sys/trace_dbgmsg.h @@ -0,0 +1,89 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dbgmsg + +#if !defined(_TRACE_DBGMSG_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DBGMSG_H + +#include <linux/tracepoint.h> + +/* + * This file defines tracepoint events for use by the dbgmsg(), + * dprintf(), and SET_ERROR() interfaces. These are grouped here because + * they all provide a way to store simple messages in the debug log (as + * opposed to events used by the DTRACE_PROBE interfaces which typically + * dump structured data). + * + * This header is included inside the trace.h multiple inclusion guard, + * and it is guarded above against direct inclusion, so it and need not + * be guarded separately. + */ + +/* + * Generic support for one argument tracepoints of the form: + * + * DTRACE_PROBE1(..., + * const char *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_dprintf_class, + TP_PROTO(const char *msg), + TP_ARGS(msg), + TP_STRUCT__entry( + __string(msg, msg) + ), + TP_fast_assign( + __assign_str(msg, msg); + ), + TP_printk("%s", __get_str(msg)) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_DPRINTF_EVENT(name) \ +DEFINE_EVENT(zfs_dprintf_class, name, \ + TP_PROTO(const char *msg), \ + TP_ARGS(msg)) +/* END CSTYLED */ +DEFINE_DPRINTF_EVENT(zfs_zfs__dprintf); + +#endif /* _TRACE_DBGMSG_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dbgmsg +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE1(zfs__dprintf); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_dbuf.h b/include/os/linux/zfs/sys/trace_dbuf.h new file mode 100644 index 0000000000000..bd7d791a46e73 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_dbuf.h @@ -0,0 +1,169 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dbuf + +#if !defined(_TRACE_DBUF_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DBUF_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +#ifndef TRACE_DBUF_MSG_MAX +#define TRACE_DBUF_MSG_MAX 512 +#endif + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * dmu_buf_impl_t *, ..., + * zio_t *, ...); + */ + +#define DBUF_TP_STRUCT_ENTRY \ + __dynamic_array(char, os_spa, TRACE_DBUF_MSG_MAX) \ + __field(uint64_t, ds_object) \ + __field(uint64_t, db_object) \ + __field(uint64_t, db_level) \ + __field(uint64_t, db_blkid) \ + __field(uint64_t, db_offset) \ + __field(uint64_t, db_size) \ + __field(uint64_t, db_state) \ + __field(int64_t, db_holds) \ + __dynamic_array(char, msg, TRACE_DBUF_MSG_MAX) + +#define DBUF_TP_FAST_ASSIGN \ + if (db != NULL) { \ + __assign_str(os_spa, \ + spa_name(DB_DNODE(db)->dn_objset->os_spa)); \ + \ + __entry->ds_object = db->db_objset->os_dsl_dataset ? \ + db->db_objset->os_dsl_dataset->ds_object : 0; \ + \ + __entry->db_object = db->db.db_object; \ + __entry->db_level = db->db_level; \ + __entry->db_blkid = db->db_blkid; \ + __entry->db_offset = db->db.db_offset; \ + __entry->db_size = db->db.db_size; \ + __entry->db_state = db->db_state; \ + __entry->db_holds = zfs_refcount_count(&db->db_holds); \ + snprintf(__get_str(msg), TRACE_DBUF_MSG_MAX, \ + DBUF_TP_PRINTK_FMT, DBUF_TP_PRINTK_ARGS); \ + } else { \ + __assign_str(os_spa, "NULL") \ + __entry->ds_object = 0; \ + __entry->db_object = 0; \ + __entry->db_level = 0; \ + __entry->db_blkid = 0; \ + __entry->db_offset = 0; \ + __entry->db_size = 0; \ + __entry->db_state = 0; \ + __entry->db_holds = 0; \ + snprintf(__get_str(msg), TRACE_DBUF_MSG_MAX, \ + "dbuf { NULL }"); \ + } + +#define DBUF_TP_PRINTK_FMT \ + "dbuf { spa \"%s\" objset %llu object %llu level %llu " \ + "blkid %llu offset %llu size %llu state %llu holds %lld }" + +#define DBUF_TP_PRINTK_ARGS \ + __get_str(os_spa), __entry->ds_object, \ + __entry->db_object, __entry->db_level, \ + __entry->db_blkid, __entry->db_offset, \ + __entry->db_size, __entry->db_state, __entry->db_holds + +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_dbuf_class, + TP_PROTO(dmu_buf_impl_t *db, zio_t *zio), + TP_ARGS(db, zio), + TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY), + TP_fast_assign(DBUF_TP_FAST_ASSIGN), + TP_printk("%s", __get_str(msg)) +); + +DECLARE_EVENT_CLASS(zfs_dbuf_state_class, + TP_PROTO(dmu_buf_impl_t *db, const char *why), + TP_ARGS(db, why), + TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY), + TP_fast_assign(DBUF_TP_FAST_ASSIGN), + TP_printk("%s", __get_str(msg)) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_DBUF_EVENT(name) \ +DEFINE_EVENT(zfs_dbuf_class, name, \ + TP_PROTO(dmu_buf_impl_t *db, zio_t *zio), \ + TP_ARGS(db, zio)) +/* END CSTYLED */ +DEFINE_DBUF_EVENT(zfs_blocked__read); + +/* BEGIN CSTYLED */ +#define DEFINE_DBUF_STATE_EVENT(name) \ +DEFINE_EVENT(zfs_dbuf_state_class, name, \ + TP_PROTO(dmu_buf_impl_t *db, const char *why), \ + TP_ARGS(db, why)) +/* END CSTYLED */ +DEFINE_DBUF_STATE_EVENT(zfs_dbuf__state_change); + +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_dbuf_evict_one_class, + TP_PROTO(dmu_buf_impl_t *db, multilist_sublist_t *mls), + TP_ARGS(db, mls), + TP_STRUCT__entry(DBUF_TP_STRUCT_ENTRY), + TP_fast_assign(DBUF_TP_FAST_ASSIGN), + TP_printk("%s", __get_str(msg)) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_DBUF_EVICT_ONE_EVENT(name) \ +DEFINE_EVENT(zfs_dbuf_evict_one_class, name, \ + TP_PROTO(dmu_buf_impl_t *db, multilist_sublist_t *mls), \ + TP_ARGS(db, mls)) +/* END CSTYLED */ +DEFINE_DBUF_EVICT_ONE_EVENT(zfs_dbuf__evict__one); + +#endif /* _TRACE_DBUF_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dbuf +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE2(blocked__read); +DEFINE_DTRACE_PROBE2(dbuf__evict__one); +DEFINE_DTRACE_PROBE2(dbuf__state_change); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_dmu.h b/include/os/linux/zfs/sys/trace_dmu.h new file mode 100644 index 0000000000000..3c64a370f8428 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_dmu.h @@ -0,0 +1,136 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dmu + +#if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DMU_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * dmu_tx_t *, ..., + * uint64_t, ..., + * uint64_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_delay_mintime_class, + TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), + TP_ARGS(tx, dirty, min_tx_time), + TP_STRUCT__entry( + __field(uint64_t, tx_txg) + __field(uint64_t, tx_lastsnap_txg) + __field(uint64_t, tx_lasttried_txg) + __field(boolean_t, tx_anyobj) + __field(boolean_t, tx_dirty_delayed) + __field(hrtime_t, tx_start) + __field(boolean_t, tx_wait_dirty) + __field(int, tx_err) + __field(uint64_t, min_tx_time) + __field(uint64_t, dirty) + ), + TP_fast_assign( + __entry->tx_txg = tx->tx_txg; + __entry->tx_lastsnap_txg = tx->tx_lastsnap_txg; + __entry->tx_lasttried_txg = tx->tx_lasttried_txg; + __entry->tx_anyobj = tx->tx_anyobj; + __entry->tx_dirty_delayed = tx->tx_dirty_delayed; + __entry->tx_start = tx->tx_start; + __entry->tx_wait_dirty = tx->tx_wait_dirty; + __entry->tx_err = tx->tx_err; + __entry->dirty = dirty; + __entry->min_tx_time = min_tx_time; + ), + TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu " + "anyobj %d dirty_delayed %d start %llu wait_dirty %d err %i " + "} dirty %llu min_tx_time %llu", + __entry->tx_txg, __entry->tx_lastsnap_txg, + __entry->tx_lasttried_txg, __entry->tx_anyobj, + __entry->tx_dirty_delayed, __entry->tx_start, + __entry->tx_wait_dirty, __entry->tx_err, + __entry->dirty, __entry->min_tx_time) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_DELAY_MINTIME_EVENT(name) \ +DEFINE_EVENT(zfs_delay_mintime_class, name, \ + TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \ + TP_ARGS(tx, dirty, min_tx_time)) +/* END CSTYLED */ +DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime); + +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_free_long_range_class, + TP_PROTO(uint64_t long_free_dirty_all_txgs, uint64_t chunk_len, \ + uint64_t txg), + TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg), + TP_STRUCT__entry( + __field(uint64_t, long_free_dirty_all_txgs) + __field(uint64_t, chunk_len) + __field(uint64_t, txg) + ), + TP_fast_assign( + __entry->long_free_dirty_all_txgs = long_free_dirty_all_txgs; + __entry->chunk_len = chunk_len; + __entry->txg = txg; + ), + TP_printk("long_free_dirty_all_txgs %llu chunk_len %llu txg %llu", + __entry->long_free_dirty_all_txgs, + __entry->chunk_len, __entry->txg) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_FREE_LONG_RANGE_EVENT(name) \ +DEFINE_EVENT(zfs_free_long_range_class, name, \ + TP_PROTO(uint64_t long_free_dirty_all_txgs, \ + uint64_t chunk_len, uint64_t txg), \ + TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg)) +/* END CSTYLED */ +DEFINE_FREE_LONG_RANGE_EVENT(zfs_free__long__range); + +#endif /* _TRACE_DMU_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dmu +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE3(delay__mintime); +DEFINE_DTRACE_PROBE3(free__long__range); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_dnode.h b/include/os/linux/zfs/sys/trace_dnode.h new file mode 100644 index 0000000000000..27ad6cba16d62 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_dnode.h @@ -0,0 +1,129 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_dnode + +#if !defined(_TRACE_DNODE_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_DNODE_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * dnode_t *, ..., + * int64_t, ..., + * uint32_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_dnode_move_class, + TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs), + TP_ARGS(dn, refcount, dbufs), + TP_STRUCT__entry( + __field(uint64_t, dn_object) + __field(dmu_object_type_t, dn_type) + __field(uint16_t, dn_bonuslen) + __field(uint8_t, dn_bonustype) + __field(uint8_t, dn_nblkptr) + __field(uint8_t, dn_checksum) + __field(uint8_t, dn_compress) + __field(uint8_t, dn_nlevels) + __field(uint8_t, dn_indblkshift) + __field(uint8_t, dn_datablkshift) + __field(uint8_t, dn_moved) + __field(uint16_t, dn_datablkszsec) + __field(uint32_t, dn_datablksz) + __field(uint64_t, dn_maxblkid) + __field(int64_t, dn_tx_holds) + __field(int64_t, dn_holds) + __field(boolean_t, dn_have_spill) + + __field(int64_t, refcount) + __field(uint32_t, dbufs) + ), + TP_fast_assign( + __entry->dn_object = dn->dn_object; + __entry->dn_type = dn->dn_type; + __entry->dn_bonuslen = dn->dn_bonuslen; + __entry->dn_bonustype = dn->dn_bonustype; + __entry->dn_nblkptr = dn->dn_nblkptr; + __entry->dn_checksum = dn->dn_checksum; + __entry->dn_compress = dn->dn_compress; + __entry->dn_nlevels = dn->dn_nlevels; + __entry->dn_indblkshift = dn->dn_indblkshift; + __entry->dn_datablkshift = dn->dn_datablkshift; + __entry->dn_moved = dn->dn_moved; + __entry->dn_datablkszsec = dn->dn_datablkszsec; + __entry->dn_datablksz = dn->dn_datablksz; + __entry->dn_maxblkid = dn->dn_maxblkid; + __entry->dn_tx_holds = dn->dn_tx_holds.rc_count; + __entry->dn_holds = dn->dn_holds.rc_count; + __entry->dn_have_spill = dn->dn_have_spill; + + __entry->refcount = refcount; + __entry->dbufs = dbufs; + ), + TP_printk("dn { object %llu type %d bonuslen %u bonustype %u " + "nblkptr %u checksum %u compress %u nlevels %u indblkshift %u " + "datablkshift %u moved %u datablkszsec %u datablksz %u " + "maxblkid %llu tx_holds %lli holds %lli have_spill %d } " + "refcount %lli dbufs %u", + __entry->dn_object, __entry->dn_type, __entry->dn_bonuslen, + __entry->dn_bonustype, __entry->dn_nblkptr, __entry->dn_checksum, + __entry->dn_compress, __entry->dn_nlevels, __entry->dn_indblkshift, + __entry->dn_datablkshift, __entry->dn_moved, + __entry->dn_datablkszsec, __entry->dn_datablksz, + __entry->dn_maxblkid, __entry->dn_tx_holds, __entry->dn_holds, + __entry->dn_have_spill, __entry->refcount, __entry->dbufs) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_DNODE_MOVE_EVENT(name) \ +DEFINE_EVENT(zfs_dnode_move_class, name, \ + TP_PROTO(dnode_t *dn, int64_t refcount, uint32_t dbufs), \ + TP_ARGS(dn, refcount, dbufs)) +/* END CSTYLED */ +DEFINE_DNODE_MOVE_EVENT(zfs_dnode__move); + +#endif /* _TRACE_DNODE_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_dnode +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE3(dnode__move); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_multilist.h b/include/os/linux/zfs/sys/trace_multilist.h new file mode 100644 index 0000000000000..fe68d5296f73e --- /dev/null +++ b/include/os/linux/zfs/sys/trace_multilist.h @@ -0,0 +1,89 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_multilist + +#if !defined(_TRACE_MULTILIST_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_MULTILIST_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * multilist_t *, ..., + * unsigned int, ..., + * void *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_multilist_insert_remove_class, + TP_PROTO(multilist_t *ml, unsigned sublist_idx, void *obj), + TP_ARGS(ml, sublist_idx, obj), + TP_STRUCT__entry( + __field(size_t, ml_offset) + __field(uint64_t, ml_num_sublists) + + __field(unsigned int, sublist_idx) + ), + TP_fast_assign( + __entry->ml_offset = ml->ml_offset; + __entry->ml_num_sublists = ml->ml_num_sublists; + + __entry->sublist_idx = sublist_idx; + ), + TP_printk("ml { offset %ld numsublists %llu sublistidx %u } ", + __entry->ml_offset, __entry->ml_num_sublists, __entry->sublist_idx) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_MULTILIST_INSERT_REMOVE_EVENT(name) \ +DEFINE_EVENT(zfs_multilist_insert_remove_class, name, \ + TP_PROTO(multilist_t *ml, unsigned int sublist_idx, void *obj), \ + TP_ARGS(ml, sublist_idx, obj)) +/* END CSTYLED */ +DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__insert); +DEFINE_MULTILIST_INSERT_REMOVE_EVENT(zfs_multilist__remove); + +#endif /* _TRACE_MULTILIST_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_multilist +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE3(multilist__insert); +DEFINE_DTRACE_PROBE3(multilist__remove); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_rrwlock.h b/include/os/linux/zfs/sys/trace_rrwlock.h new file mode 100644 index 0000000000000..4c74d62573090 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_rrwlock.h @@ -0,0 +1,31 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#else + +DEFINE_DTRACE_PROBE(zfs__rrwfastpath__rdmiss); +DEFINE_DTRACE_PROBE(zfs__rrwfastpath__exitmiss); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_txg.h b/include/os/linux/zfs/sys/trace_txg.h new file mode 100644 index 0000000000000..23d5d358bc42b --- /dev/null +++ b/include/os/linux/zfs/sys/trace_txg.h @@ -0,0 +1,89 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_txg + +#if !defined(_TRACE_TXG_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_TXG_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * dsl_pool_t *, ..., + * uint64_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_txg_class, + TP_PROTO(dsl_pool_t *dp, uint64_t txg), + TP_ARGS(dp, txg), + TP_STRUCT__entry( + __field(uint64_t, txg) + ), + TP_fast_assign( + __entry->txg = txg; + ), + TP_printk("txg %llu", __entry->txg) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_TXG_EVENT(name) \ +DEFINE_EVENT(zfs_txg_class, name, \ + TP_PROTO(dsl_pool_t *dp, uint64_t txg), \ + TP_ARGS(dp, txg)) +/* END CSTYLED */ +DEFINE_TXG_EVENT(zfs_dsl_pool_sync__done); +DEFINE_TXG_EVENT(zfs_txg__quiescing); +DEFINE_TXG_EVENT(zfs_txg__opened); +DEFINE_TXG_EVENT(zfs_txg__syncing); +DEFINE_TXG_EVENT(zfs_txg__synced); +DEFINE_TXG_EVENT(zfs_txg__quiesced); + +#endif /* _TRACE_TXG_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_txg +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE2(dsl_pool_sync__done); +DEFINE_DTRACE_PROBE2(txg__quiescing); +DEFINE_DTRACE_PROBE2(txg__opened); +DEFINE_DTRACE_PROBE2(txg__syncing); +DEFINE_DTRACE_PROBE2(txg__synced); +DEFINE_DTRACE_PROBE2(txg__quiesced); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_vdev.h b/include/os/linux/zfs/sys/trace_vdev.h new file mode 100644 index 0000000000000..50711446ffa4b --- /dev/null +++ b/include/os/linux/zfs/sys/trace_vdev.h @@ -0,0 +1,140 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +/* + * If tracepoints are available define dtrace_probe events for vdev + * related probes. Definitions in include/os/linux/spl/sys/trace.h + * will map DTRACE_PROBE* calls to tracepoints. + */ + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_vdev + +#if !defined(_TRACE_VDEV_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_VDEV_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for three argument tracepoints of the form: + * + * DTRACE_PROBE3(..., + * spa_t *, ..., + * uint64_t, ..., + * uint64_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_removing_class_3, + TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), + TP_ARGS(spa, offset, size), + TP_STRUCT__entry( + __field(spa_t *, vdev_spa) + __field(uint64_t, vdev_offset) + __field(uint64_t, vdev_size) + ), + TP_fast_assign( + __entry->vdev_spa = spa; + __entry->vdev_offset = offset; + __entry->vdev_size = size; + ), + TP_printk("spa %p offset %llu size %llu", + __entry->vdev_spa, __entry->vdev_offset, + __entry->vdev_size) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_REMOVE_FREE_EVENT(name) \ +DEFINE_EVENT(zfs_removing_class_3, name, \ + TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size), \ + TP_ARGS(spa, offset, size)) +/* END CSTYLED */ +DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__synced); +DEFINE_REMOVE_FREE_EVENT(zfs_remove__free__unvisited); + +/* + * Generic support for four argument tracepoints of the form: + * + * DTRACE_PROBE4(..., + * spa_t *, ..., + * uint64_t, ..., + * uint64_t, ..., + * uint64_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_removing_class_4, + TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size, uint64_t txg), + TP_ARGS(spa, offset, size, txg), + TP_STRUCT__entry( + __field(spa_t *, vdev_spa) + __field(uint64_t, vdev_offset) + __field(uint64_t, vdev_size) + __field(uint64_t, vdev_txg) + ), + TP_fast_assign( + __entry->vdev_spa = spa; + __entry->vdev_offset = offset; + __entry->vdev_size = size; + __entry->vdev_txg = txg; + ), + TP_printk("spa %p offset %llu size %llu txg %llu", + __entry->vdev_spa, __entry->vdev_offset, + __entry->vdev_size, __entry->vdev_txg) +); + +/* BEGIN CSTYLED */ +#define DEFINE_REMOVE_FREE_EVENT_TXG(name) \ +DEFINE_EVENT(zfs_removing_class_4, name, \ + TP_PROTO(spa_t *spa, uint64_t offset, uint64_t size,uint64_t txg), \ + TP_ARGS(spa, offset, size, txg)) +/* END CSTYLED */ +DEFINE_REMOVE_FREE_EVENT_TXG(zfs_remove__free__inflight); + +#endif /* _TRACE_VDEV_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_vdev +#include <trace/define_trace.h> + +#else + +/* + * When tracepoints are not available, a DEFINE_DTRACE_PROBE* macro is + * needed for each DTRACE_PROBE. These will be used to generate stub + * tracing functions and prototypes for those functions. See + * include/os/linux/spl/sys/trace.h. + */ + +DEFINE_DTRACE_PROBE3(remove__free__synced); +DEFINE_DTRACE_PROBE3(remove__free__unvisited); +DEFINE_DTRACE_PROBE4(remove__free__inflight); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_zfs.h b/include/os/linux/zfs/sys/trace_zfs.h new file mode 100644 index 0000000000000..0e19f8d186d00 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_zfs.h @@ -0,0 +1,53 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#ifndef _OS_LINUX_ZFS_TRACE_H +#define _OS_LINUX_ZFS_TRACE_H + +#include <sys/multilist.h> +#include <sys/arc_impl.h> +#include <sys/vdev_impl.h> +#include <sys/zio.h> +#include <sys/dbuf.h> +#include <sys/dmu_objset.h> +#include <sys/dsl_dataset.h> +#include <sys/dmu_tx.h> +#include <sys/dnode.h> +#include <sys/zfs_znode.h> +#include <sys/zil_impl.h> +#include <sys/zrlock.h> + +#include <sys/trace.h> +#include <sys/trace_acl.h> +#include <sys/trace_arc.h> +#include <sys/trace_dbgmsg.h> +#include <sys/trace_dbuf.h> +#include <sys/trace_dmu.h> +#include <sys/trace_dnode.h> +#include <sys/trace_multilist.h> +#include <sys/trace_rrwlock.h> +#include <sys/trace_txg.h> +#include <sys/trace_vdev.h> +#include <sys/trace_zil.h> +#include <sys/trace_zio.h> +#include <sys/trace_zrlock.h> + +#endif diff --git a/include/os/linux/zfs/sys/trace_zil.h b/include/os/linux/zfs/sys/trace_zil.h new file mode 100644 index 0000000000000..526846e664b20 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_zil.h @@ -0,0 +1,229 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_zil + +#if !defined(_TRACE_ZIL_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZIL_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +#define ZILOG_TP_STRUCT_ENTRY \ + __field(uint64_t, zl_lr_seq) \ + __field(uint64_t, zl_commit_lr_seq) \ + __field(uint64_t, zl_destroy_txg) \ + __field(uint64_t, zl_replaying_seq) \ + __field(uint32_t, zl_suspend) \ + __field(uint8_t, zl_suspending) \ + __field(uint8_t, zl_keep_first) \ + __field(uint8_t, zl_replay) \ + __field(uint8_t, zl_stop_sync) \ + __field(uint8_t, zl_logbias) \ + __field(uint8_t, zl_sync) \ + __field(int, zl_parse_error) \ + __field(uint64_t, zl_parse_blk_seq) \ + __field(uint64_t, zl_parse_lr_seq) \ + __field(uint64_t, zl_parse_blk_count) \ + __field(uint64_t, zl_parse_lr_count) \ + __field(uint64_t, zl_cur_used) \ + __field(clock_t, zl_replay_time) \ + __field(uint64_t, zl_replay_blks) + +#define ZILOG_TP_FAST_ASSIGN \ + __entry->zl_lr_seq = zilog->zl_lr_seq; \ + __entry->zl_commit_lr_seq = zilog->zl_commit_lr_seq; \ + __entry->zl_destroy_txg = zilog->zl_destroy_txg; \ + __entry->zl_replaying_seq = zilog->zl_replaying_seq; \ + __entry->zl_suspend = zilog->zl_suspend; \ + __entry->zl_suspending = zilog->zl_suspending; \ + __entry->zl_keep_first = zilog->zl_keep_first; \ + __entry->zl_replay = zilog->zl_replay; \ + __entry->zl_stop_sync = zilog->zl_stop_sync; \ + __entry->zl_logbias = zilog->zl_logbias; \ + __entry->zl_sync = zilog->zl_sync; \ + __entry->zl_parse_error = zilog->zl_parse_error; \ + __entry->zl_parse_blk_seq = zilog->zl_parse_blk_seq; \ + __entry->zl_parse_lr_seq = zilog->zl_parse_lr_seq; \ + __entry->zl_parse_blk_count = zilog->zl_parse_blk_count;\ + __entry->zl_parse_lr_count = zilog->zl_parse_lr_count; \ + __entry->zl_cur_used = zilog->zl_cur_used; \ + __entry->zl_replay_time = zilog->zl_replay_time; \ + __entry->zl_replay_blks = zilog->zl_replay_blks; + +#define ZILOG_TP_PRINTK_FMT \ + "zl { lr_seq %llu commit_lr_seq %llu destroy_txg %llu " \ + "replaying_seq %llu suspend %u suspending %u keep_first %u " \ + "replay %u stop_sync %u logbias %u sync %u " \ + "parse_error %u parse_blk_seq %llu parse_lr_seq %llu " \ + "parse_blk_count %llu parse_lr_count %llu " \ + "cur_used %llu replay_time %lu replay_blks %llu }" + +#define ZILOG_TP_PRINTK_ARGS \ + __entry->zl_lr_seq, __entry->zl_commit_lr_seq, \ + __entry->zl_destroy_txg, __entry->zl_replaying_seq, \ + __entry->zl_suspend, __entry->zl_suspending, \ + __entry->zl_keep_first, __entry->zl_replay, \ + __entry->zl_stop_sync, __entry->zl_logbias, __entry->zl_sync, \ + __entry->zl_parse_error, __entry->zl_parse_blk_seq, \ + __entry->zl_parse_lr_seq, __entry->zl_parse_blk_count, \ + __entry->zl_parse_lr_count, __entry->zl_cur_used, \ + __entry->zl_replay_time, __entry->zl_replay_blks + +#define ITX_TP_STRUCT_ENTRY \ + __field(itx_wr_state_t, itx_wr_state) \ + __field(uint8_t, itx_sync) \ + __field(zil_callback_t, itx_callback) \ + __field(void *, itx_callback_data) \ + __field(uint64_t, itx_oid) \ + \ + __field(uint64_t, lrc_txtype) \ + __field(uint64_t, lrc_reclen) \ + __field(uint64_t, lrc_txg) \ + __field(uint64_t, lrc_seq) + +#define ITX_TP_FAST_ASSIGN \ + __entry->itx_wr_state = itx->itx_wr_state; \ + __entry->itx_sync = itx->itx_sync; \ + __entry->itx_callback = itx->itx_callback; \ + __entry->itx_callback_data = itx->itx_callback_data; \ + __entry->itx_oid = itx->itx_oid; \ + \ + __entry->lrc_txtype = itx->itx_lr.lrc_txtype; \ + __entry->lrc_reclen = itx->itx_lr.lrc_reclen; \ + __entry->lrc_txg = itx->itx_lr.lrc_txg; \ + __entry->lrc_seq = itx->itx_lr.lrc_seq; + +#define ITX_TP_PRINTK_FMT \ + "itx { wr_state %u sync %u callback %p callback_data %p oid %llu" \ + " { txtype %llu reclen %llu txg %llu seq %llu } }" + +#define ITX_TP_PRINTK_ARGS \ + __entry->itx_wr_state, __entry->itx_sync, __entry->itx_callback,\ + __entry->itx_callback_data, __entry->itx_oid, \ + __entry->lrc_txtype, __entry->lrc_reclen, __entry->lrc_txg, \ + __entry->lrc_seq + +#define ZCW_TP_STRUCT_ENTRY \ + __field(lwb_t *, zcw_lwb) \ + __field(boolean_t, zcw_done) \ + __field(int, zcw_zio_error) \ + +#define ZCW_TP_FAST_ASSIGN \ + __entry->zcw_lwb = zcw->zcw_lwb; \ + __entry->zcw_done = zcw->zcw_done; \ + __entry->zcw_zio_error = zcw->zcw_zio_error; + +#define ZCW_TP_PRINTK_FMT \ + "zcw { lwb %p done %u error %u }" + +#define ZCW_TP_PRINTK_ARGS \ + __entry->zcw_lwb, __entry->zcw_done, __entry->zcw_zio_error + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zilog_t *, ..., + * itx_t *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_zil_process_itx_class, + TP_PROTO(zilog_t *zilog, itx_t *itx), + TP_ARGS(zilog, itx), + TP_STRUCT__entry( + ZILOG_TP_STRUCT_ENTRY + ITX_TP_STRUCT_ENTRY + ), + TP_fast_assign( + ZILOG_TP_FAST_ASSIGN + ITX_TP_FAST_ASSIGN + ), + TP_printk( + ZILOG_TP_PRINTK_FMT " " ITX_TP_PRINTK_FMT, + ZILOG_TP_PRINTK_ARGS, ITX_TP_PRINTK_ARGS) +); +/* END CSTYLED */ + +/* BEGIN CSTYLED */ +#define DEFINE_ZIL_PROCESS_ITX_EVENT(name) \ +DEFINE_EVENT(zfs_zil_process_itx_class, name, \ + TP_PROTO(zilog_t *zilog, itx_t *itx), \ + TP_ARGS(zilog, itx)) +DEFINE_ZIL_PROCESS_ITX_EVENT(zfs_zil__process__commit__itx); +DEFINE_ZIL_PROCESS_ITX_EVENT(zfs_zil__process__normal__itx); +/* END CSTYLED */ + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zilog_t *, ..., + * zil_commit_waiter_t *, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_zil_commit_io_error_class, + TP_PROTO(zilog_t *zilog, zil_commit_waiter_t *zcw), + TP_ARGS(zilog, zcw), + TP_STRUCT__entry( + ZILOG_TP_STRUCT_ENTRY + ZCW_TP_STRUCT_ENTRY + ), + TP_fast_assign( + ZILOG_TP_FAST_ASSIGN + ZCW_TP_FAST_ASSIGN + ), + TP_printk( + ZILOG_TP_PRINTK_FMT " " ZCW_TP_PRINTK_FMT, + ZILOG_TP_PRINTK_ARGS, ZCW_TP_PRINTK_ARGS) +); + +/* BEGIN CSTYLED */ +#define DEFINE_ZIL_COMMIT_IO_ERROR_EVENT(name) \ +DEFINE_EVENT(zfs_zil_commit_io_error_class, name, \ + TP_PROTO(zilog_t *zilog, zil_commit_waiter_t *zcw), \ + TP_ARGS(zilog, zcw)) +DEFINE_ZIL_COMMIT_IO_ERROR_EVENT(zfs_zil__commit__io__error); +/* END CSTYLED */ + +#endif /* _TRACE_ZIL_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_zil +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE2(zil__process__commit__itx); +DEFINE_DTRACE_PROBE2(zil__process__normal__itx); +DEFINE_DTRACE_PROBE2(zil__commit__io__error); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_zio.h b/include/os/linux/zfs/sys/trace_zio.h new file mode 100644 index 0000000000000..8655e245c0436 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_zio.h @@ -0,0 +1,97 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#include <sys/list.h> + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_zio + +#if !defined(_TRACE_ZIO_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZIO_H + +#include <linux/tracepoint.h> +#include <sys/types.h> +#include <sys/trace_common.h> /* For ZIO macros */ + +/* BEGIN CSTYLED */ +TRACE_EVENT(zfs_zio__delay__miss, + TP_PROTO(zio_t *zio, hrtime_t now), + TP_ARGS(zio, now), + TP_STRUCT__entry( + ZIO_TP_STRUCT_ENTRY + __field(hrtime_t, now) + ), + TP_fast_assign( + ZIO_TP_FAST_ASSIGN + __entry->now = now; + ), + TP_printk("now %llu " ZIO_TP_PRINTK_FMT, __entry->now, + ZIO_TP_PRINTK_ARGS) +); + +TRACE_EVENT(zfs_zio__delay__hit, + TP_PROTO(zio_t *zio, hrtime_t now, hrtime_t diff), + TP_ARGS(zio, now, diff), + TP_STRUCT__entry( + ZIO_TP_STRUCT_ENTRY + __field(hrtime_t, now) + __field(hrtime_t, diff) + ), + TP_fast_assign( + ZIO_TP_FAST_ASSIGN + __entry->now = now; + __entry->diff = diff; + ), + TP_printk("now %llu diff %llu " ZIO_TP_PRINTK_FMT, __entry->now, + __entry->diff, ZIO_TP_PRINTK_ARGS) +); + +TRACE_EVENT(zfs_zio__delay__skip, + TP_PROTO(zio_t *zio), + TP_ARGS(zio), + TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY), + TP_fast_assign(ZIO_TP_FAST_ASSIGN), + TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS) +); +/* END CSTYLED */ + +#endif /* _TRACE_ZIO_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_zio +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE2(zio__delay__miss); +DEFINE_DTRACE_PROBE3(zio__delay__hit); +DEFINE_DTRACE_PROBE1(zio__delay__skip); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/trace_zrlock.h b/include/os/linux/zfs/sys/trace_zrlock.h new file mode 100644 index 0000000000000..23f9577ba15f1 --- /dev/null +++ b/include/os/linux/zfs/sys/trace_zrlock.h @@ -0,0 +1,94 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#if defined(_KERNEL) +#if defined(HAVE_DECLARE_EVENT_CLASS) + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM zfs + +#undef TRACE_SYSTEM_VAR +#define TRACE_SYSTEM_VAR zfs_zrlock + +#if !defined(_TRACE_ZRLOCK_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_ZRLOCK_H + +#include <linux/tracepoint.h> +#include <sys/types.h> + +/* + * Generic support for two argument tracepoints of the form: + * + * DTRACE_PROBE2(..., + * zrlock_t *, ..., + * uint32_t, ...); + */ +/* BEGIN CSTYLED */ +DECLARE_EVENT_CLASS(zfs_zrlock_class, + TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n), + TP_ARGS(zrl, owner, n), + TP_STRUCT__entry( + __field(int32_t, refcount) +#ifdef ZFS_DEBUG + __field(pid_t, owner_pid) + __field(const char *, caller) +#endif + __field(uint32_t, n) + ), + TP_fast_assign( + __entry->refcount = zrl->zr_refcount; +#ifdef ZFS_DEBUG + __entry->owner_pid = owner ? owner->pid : 0; + __entry->caller = zrl->zr_caller ? zrl->zr_caller : "(null)"; +#endif + __entry->n = n; + ), +#ifdef ZFS_DEBUG + TP_printk("zrl { refcount %d owner_pid %d caller %s } n %u", + __entry->refcount, __entry->owner_pid, __entry->caller, + __entry->n) +#else + TP_printk("zrl { refcount %d } n %u", + __entry->refcount, __entry->n) +#endif +); +/* END_CSTYLED */ + +#define DEFINE_ZRLOCK_EVENT(name) \ +DEFINE_EVENT(zfs_zrlock_class, name, \ + TP_PROTO(zrlock_t *zrl, kthread_t *owner, uint32_t n), \ + TP_ARGS(zrl, owner, n)) +DEFINE_ZRLOCK_EVENT(zfs_zrlock__reentry); + +#endif /* _TRACE_ZRLOCK_H */ + +#undef TRACE_INCLUDE_PATH +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_PATH sys +#define TRACE_INCLUDE_FILE trace_zrlock +#include <trace/define_trace.h> + +#else + +DEFINE_DTRACE_PROBE3(zrlock__reentry); + +#endif /* HAVE_DECLARE_EVENT_CLASS */ +#endif /* _KERNEL */ diff --git a/include/os/linux/zfs/sys/zfs_context_os.h b/include/os/linux/zfs/sys/zfs_context_os.h new file mode 100644 index 0000000000000..9e5fdd79f019f --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_context_os.h @@ -0,0 +1,30 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +#ifndef ZFS_CONTEXT_OS_H +#define ZFS_CONTEXT_OS_H + +#include <sys/uio_impl.h> +#include <linux/dcache_compat.h> +#include <linux/utsname_compat.h> + +#endif diff --git a/include/os/linux/zfs/sys/zfs_ctldir.h b/include/os/linux/zfs/sys/zfs_ctldir.h new file mode 100644 index 0000000000000..51933bc4fe474 --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_ctldir.h @@ -0,0 +1,103 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (C) 2011 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * LLNL-CODE-403049. + * Rewritten for Linux by: + * Rohan Puri <rohan.puri15@gmail.com> + * Brian Behlendorf <behlendorf1@llnl.gov> + */ + +#ifndef _ZFS_CTLDIR_H +#define _ZFS_CTLDIR_H + +#include <sys/vnode.h> +#include <sys/pathname.h> +#include <sys/zfs_vfsops.h> +#include <sys/zfs_znode.h> + +#define ZFS_CTLDIR_NAME ".zfs" +#define ZFS_SNAPDIR_NAME "snapshot" +#define ZFS_SHAREDIR_NAME "shares" + +#define zfs_has_ctldir(zdp) \ + ((zdp)->z_id == ZTOZSB(zdp)->z_root && \ + (ZTOZSB(zdp)->z_ctldir != NULL)) +#define zfs_show_ctldir(zdp) \ + (zfs_has_ctldir(zdp) && \ + (ZTOZSB(zdp)->z_show_ctldir)) + +extern int zfs_expire_snapshot; + +/* zfsctl generic functions */ +extern int zfsctl_create(zfsvfs_t *); +extern void zfsctl_destroy(zfsvfs_t *); +extern struct inode *zfsctl_root(znode_t *); +extern void zfsctl_init(void); +extern void zfsctl_fini(void); +extern boolean_t zfsctl_is_node(struct inode *ip); +extern boolean_t zfsctl_is_snapdir(struct inode *ip); +extern int zfsctl_fid(struct inode *ip, fid_t *fidp); + +/* zfsctl '.zfs' functions */ +extern int zfsctl_root_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); + +/* zfsctl '.zfs/snapshot' functions */ +extern int zfsctl_snapdir_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); +extern int zfsctl_snapdir_rename(struct inode *sdip, char *sname, + struct inode *tdip, char *tname, cred_t *cr, int flags); +extern int zfsctl_snapdir_remove(struct inode *dip, char *name, cred_t *cr, + int flags); +extern int zfsctl_snapdir_mkdir(struct inode *dip, char *dirname, vattr_t *vap, + struct inode **ipp, cred_t *cr, int flags); +extern int zfsctl_snapshot_mount(struct path *path, int flags); +extern int zfsctl_snapshot_unmount(char *snapname, int flags); +extern int zfsctl_snapshot_unmount_delay(spa_t *spa, uint64_t objsetid, + int delay); +extern int zfsctl_snapdir_vget(struct super_block *sb, uint64_t objsetid, + int gen, struct inode **ipp); + +/* zfsctl '.zfs/shares' functions */ +extern int zfsctl_shares_lookup(struct inode *dip, char *name, + struct inode **ipp, int flags, cred_t *cr, int *direntflags, + pathname_t *realpnp); + +/* + * These inodes numbers are reserved for the .zfs control directory. + * It is important that they be no larger that 48-bits because only + * 6 bytes are reserved in the NFS file handle for the object number. + * However, they should be as large as possible to avoid conflicts + * with the objects which are assigned monotonically by the dmu. + */ +#define ZFSCTL_INO_ROOT 0x0000FFFFFFFFFFFFULL +#define ZFSCTL_INO_SHARES 0x0000FFFFFFFFFFFEULL +#define ZFSCTL_INO_SNAPDIR 0x0000FFFFFFFFFFFDULL +#define ZFSCTL_INO_SNAPDIRS 0x0000FFFFFFFFFFFCULL + +#define ZFSCTL_EXPIRE_SNAPSHOT 300 + +#endif /* _ZFS_CTLDIR_H */ diff --git a/include/os/linux/zfs/sys/zfs_dir.h b/include/os/linux/zfs/sys/zfs_dir.h new file mode 100644 index 0000000000000..0f15e43452b26 --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_dir.h @@ -0,0 +1,76 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2010 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_FS_ZFS_DIR_H +#define _SYS_FS_ZFS_DIR_H + +#include <sys/pathname.h> +#include <sys/dmu.h> +#include <sys/zfs_znode.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* zfs_dirent_lock() flags */ +#define ZNEW 0x0001 /* entry should not exist */ +#define ZEXISTS 0x0002 /* entry should exist */ +#define ZSHARED 0x0004 /* shared access (zfs_dirlook()) */ +#define ZXATTR 0x0008 /* we want the xattr dir */ +#define ZRENAMING 0x0010 /* znode is being renamed */ +#define ZCILOOK 0x0020 /* case-insensitive lookup requested */ +#define ZCIEXACT 0x0040 /* c-i requires c-s match (rename) */ +#define ZHAVELOCK 0x0080 /* z_name_lock is already held */ + +/* mknode flags */ +#define IS_ROOT_NODE 0x01 /* create a root node */ +#define IS_XATTR 0x02 /* create an extended attribute node */ +#define IS_TMPFILE 0x04 /* create a tmpfile */ + +extern int zfs_dirent_lock(zfs_dirlock_t **, znode_t *, char *, znode_t **, + int, int *, pathname_t *); +extern void zfs_dirent_unlock(zfs_dirlock_t *); +extern int zfs_link_create(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int); +extern int zfs_link_destroy(zfs_dirlock_t *, znode_t *, dmu_tx_t *, int, + boolean_t *); +extern int zfs_dirlook(znode_t *, char *, znode_t **, int, int *, + pathname_t *); +extern void zfs_mknode(znode_t *, vattr_t *, dmu_tx_t *, cred_t *, + uint_t, znode_t **, zfs_acl_ids_t *); +extern void zfs_rmnode(znode_t *); +extern void zfs_dl_name_switch(zfs_dirlock_t *dl, char *new, char **old); +extern boolean_t zfs_dirempty(znode_t *); +extern void zfs_unlinked_add(znode_t *, dmu_tx_t *); +extern void zfs_unlinked_drain(zfsvfs_t *zfsvfs); +extern void zfs_unlinked_drain_stop_wait(zfsvfs_t *zfsvfs); +extern int zfs_sticky_remove_access(znode_t *, znode_t *, cred_t *cr); +extern int zfs_get_xattrdir(znode_t *, znode_t **, cred_t *, int); +extern int zfs_make_xattrdir(znode_t *, vattr_t *, znode_t **, cred_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_DIR_H */ diff --git a/include/os/linux/zfs/sys/zfs_vfsops.h b/include/os/linux/zfs/sys/zfs_vfsops.h new file mode 100644 index 0000000000000..24a0a2e6a05f3 --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_vfsops.h @@ -0,0 +1,227 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2013, 2018 by Delphix. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_VFSOPS_H +#define _SYS_FS_ZFS_VFSOPS_H + +#include <sys/dataset_kstats.h> +#include <sys/isa_defs.h> +#include <sys/types32.h> +#include <sys/list.h> +#include <sys/vfs.h> +#include <sys/zil.h> +#include <sys/sa.h> +#include <sys/rrwlock.h> +#include <sys/dsl_dataset.h> +#include <sys/zfs_ioctl.h> +#include <sys/objlist.h> + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct zfsvfs zfsvfs_t; +struct znode; + +/* + * This structure emulates the vfs_t from other platforms. It's purpose + * is to facilitate the handling of mount options and minimize structural + * differences between the platforms. + */ +typedef struct vfs { + struct zfsvfs *vfs_data; + char *vfs_mntpoint; /* Primary mount point */ + uint64_t vfs_xattr; + boolean_t vfs_readonly; + boolean_t vfs_do_readonly; + boolean_t vfs_setuid; + boolean_t vfs_do_setuid; + boolean_t vfs_exec; + boolean_t vfs_do_exec; + boolean_t vfs_devices; + boolean_t vfs_do_devices; + boolean_t vfs_do_xattr; + boolean_t vfs_atime; + boolean_t vfs_do_atime; + boolean_t vfs_relatime; + boolean_t vfs_do_relatime; + boolean_t vfs_nbmand; + boolean_t vfs_do_nbmand; +} vfs_t; + +typedef struct zfs_mnt { + const char *mnt_osname; /* Objset name */ + char *mnt_data; /* Raw mount options */ +} zfs_mnt_t; + +struct zfsvfs { + vfs_t *z_vfs; /* generic fs struct */ + struct super_block *z_sb; /* generic super_block */ + struct zfsvfs *z_parent; /* parent fs */ + objset_t *z_os; /* objset reference */ + uint64_t z_flags; /* super_block flags */ + uint64_t z_root; /* id of root znode */ + uint64_t z_unlinkedobj; /* id of unlinked zapobj */ + uint64_t z_max_blksz; /* maximum block size for files */ + uint64_t z_fuid_obj; /* fuid table object number */ + uint64_t z_fuid_size; /* fuid table size */ + avl_tree_t z_fuid_idx; /* fuid tree keyed by index */ + avl_tree_t z_fuid_domain; /* fuid tree keyed by domain */ + krwlock_t z_fuid_lock; /* fuid lock */ + boolean_t z_fuid_loaded; /* fuid tables are loaded */ + boolean_t z_fuid_dirty; /* need to sync fuid table ? */ + struct zfs_fuid_info *z_fuid_replay; /* fuid info for replay */ + zilog_t *z_log; /* intent log pointer */ + uint_t z_acl_mode; /* acl chmod/mode behavior */ + uint_t z_acl_inherit; /* acl inheritance behavior */ + uint_t z_acl_type; /* type of ACL usable on this FS */ + zfs_case_t z_case; /* case-sense */ + boolean_t z_utf8; /* utf8-only */ + int z_norm; /* normalization flags */ + boolean_t z_relatime; /* enable relatime mount option */ + boolean_t z_unmounted; /* unmounted */ + rrmlock_t z_teardown_lock; + krwlock_t z_teardown_inactive_lock; + list_t z_all_znodes; /* all znodes in the fs */ + uint64_t z_nr_znodes; /* number of znodes in the fs */ + unsigned long z_rollback_time; /* last online rollback time */ + unsigned long z_snap_defer_time; /* last snapshot unmount deferral */ + kmutex_t z_znodes_lock; /* lock for z_all_znodes */ + arc_prune_t *z_arc_prune; /* called by ARC to prune caches */ + struct inode *z_ctldir; /* .zfs directory inode */ + boolean_t z_show_ctldir; /* expose .zfs in the root dir */ + boolean_t z_issnap; /* true if this is a snapshot */ + boolean_t z_vscan; /* virus scan on/off */ + boolean_t z_use_fuids; /* version allows fuids */ + boolean_t z_replay; /* set during ZIL replay */ + boolean_t z_use_sa; /* version allow system attributes */ + boolean_t z_xattr_sa; /* allow xattrs to be stores as SA */ + boolean_t z_draining; /* is true when drain is active */ + boolean_t z_drain_cancel; /* signal the unlinked drain to stop */ + uint64_t z_version; /* ZPL version */ + uint64_t z_shares_dir; /* hidden shares dir */ + dataset_kstats_t z_kstat; /* fs kstats */ + kmutex_t z_lock; + uint64_t z_userquota_obj; + uint64_t z_groupquota_obj; + uint64_t z_userobjquota_obj; + uint64_t z_groupobjquota_obj; + uint64_t z_projectquota_obj; + uint64_t z_projectobjquota_obj; + uint64_t z_replay_eof; /* New end of file - replay only */ + sa_attr_type_t *z_attr_table; /* SA attr mapping->id */ + uint64_t z_hold_size; /* znode hold array size */ + avl_tree_t *z_hold_trees; /* znode hold trees */ + kmutex_t *z_hold_locks; /* znode hold locks */ + taskqid_t z_drain_task; /* task id for the unlink drain task */ +}; + +#define ZSB_XATTR 0x0001 /* Enable user xattrs */ + +/* + * Allow a maximum number of links. While ZFS does not internally limit + * this the inode->i_nlink member is defined as an unsigned int. To be + * safe we use 2^31-1 as the limit. + */ +#define ZFS_LINK_MAX ((1U << 31) - 1U) + +/* + * Normal filesystems (those not under .zfs/snapshot) have a total + * file ID size limited to 12 bytes (including the length field) due to + * NFSv2 protocol's limitation of 32 bytes for a filehandle. For historical + * reasons, this same limit is being imposed by the Solaris NFSv3 implementation + * (although the NFSv3 protocol actually permits a maximum of 64 bytes). It + * is not possible to expand beyond 12 bytes without abandoning support + * of NFSv2. + * + * For normal filesystems, we partition up the available space as follows: + * 2 bytes fid length (required) + * 6 bytes object number (48 bits) + * 4 bytes generation number (32 bits) + * + * We reserve only 48 bits for the object number, as this is the limit + * currently defined and imposed by the DMU. + */ +typedef struct zfid_short { + uint16_t zf_len; + uint8_t zf_object[6]; /* obj[i] = obj >> (8 * i) */ + uint8_t zf_gen[4]; /* gen[i] = gen >> (8 * i) */ +} zfid_short_t; + +/* + * Filesystems under .zfs/snapshot have a total file ID size of 22 bytes + * (including the length field). This makes files under .zfs/snapshot + * accessible by NFSv3 and NFSv4, but not NFSv2. + * + * For files under .zfs/snapshot, we partition up the available space + * as follows: + * 2 bytes fid length (required) + * 6 bytes object number (48 bits) + * 4 bytes generation number (32 bits) + * 6 bytes objset id (48 bits) + * 4 bytes currently just zero (32 bits) + * + * We reserve only 48 bits for the object number and objset id, as these are + * the limits currently defined and imposed by the DMU. + */ +typedef struct zfid_long { + zfid_short_t z_fid; + uint8_t zf_setid[6]; /* obj[i] = obj >> (8 * i) */ + uint8_t zf_setgen[4]; /* gen[i] = gen >> (8 * i) */ +} zfid_long_t; + +#define SHORT_FID_LEN (sizeof (zfid_short_t) - sizeof (uint16_t)) +#define LONG_FID_LEN (sizeof (zfid_long_t) - sizeof (uint16_t)) + +extern void zfs_init(void); +extern void zfs_fini(void); + +extern int zfs_suspend_fs(zfsvfs_t *zfsvfs); +extern int zfs_resume_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds); +extern int zfs_end_fs(zfsvfs_t *zfsvfs, struct dsl_dataset *ds); +extern void zfs_exit_fs(zfsvfs_t *zfsvfs); +extern int zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers); +extern int zfsvfs_create(const char *name, boolean_t readony, zfsvfs_t **zfvp); +extern int zfsvfs_create_impl(zfsvfs_t **zfvp, zfsvfs_t *zfsvfs, objset_t *os); +extern void zfsvfs_free(zfsvfs_t *zfsvfs); +extern int zfs_check_global_label(const char *dsname, const char *hexsl); + +extern boolean_t zfs_is_readonly(zfsvfs_t *zfsvfs); +extern int zfs_domount(struct super_block *sb, zfs_mnt_t *zm, int silent); +extern void zfs_preumount(struct super_block *sb); +extern int zfs_umount(struct super_block *sb); +extern int zfs_remount(struct super_block *sb, int *flags, zfs_mnt_t *zm); +extern int zfs_statvfs(struct inode *ip, struct kstatfs *statp); +extern int zfs_vget(struct super_block *sb, struct inode **ipp, fid_t *fidp); +extern int zfs_prune(struct super_block *sb, unsigned long nr_to_scan, + int *objects); +extern int zfs_get_temporary_prop(dsl_dataset_t *ds, zfs_prop_t zfs_prop, + uint64_t *val, char *setpoint); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_VFSOPS_H */ diff --git a/include/os/linux/zfs/sys/zfs_vnops.h b/include/os/linux/zfs/sys/zfs_vnops.h new file mode 100644 index 0000000000000..24a2082d35d67 --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_vnops.h @@ -0,0 +1,91 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _SYS_FS_ZFS_VNOPS_H +#define _SYS_FS_ZFS_VNOPS_H + +#include <sys/vnode.h> +#include <sys/xvattr.h> +#include <sys/uio.h> +#include <sys/cred.h> +#include <sys/fcntl.h> +#include <sys/pathname.h> +#include <sys/zpl.h> +#include <sys/zfs_file.h> + +#ifdef __cplusplus +extern "C" { +#endif + +extern int zfs_open(struct inode *ip, int mode, int flag, cred_t *cr); +extern int zfs_close(struct inode *ip, int flag, cred_t *cr); +extern int zfs_holey(struct inode *ip, int cmd, loff_t *off); +extern int zfs_read(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr); +extern int zfs_write(struct inode *ip, uio_t *uio, int ioflag, cred_t *cr); +extern int zfs_write_simple(znode_t *zp, const void *data, size_t len, + loff_t pos, size_t *resid); +extern int zfs_access(struct inode *ip, int mode, int flag, cred_t *cr); +extern int zfs_lookup(znode_t *dzp, char *nm, znode_t **zpp, + int flags, cred_t *cr, int *direntflags, pathname_t *realpnp); +extern int zfs_create(znode_t *dzp, char *name, vattr_t *vap, int excl, + int mode, znode_t **zpp, cred_t *cr, int flag, vsecattr_t *vsecp); +extern int zfs_tmpfile(struct inode *dip, vattr_t *vapzfs, int excl, + int mode, struct inode **ipp, cred_t *cr, int flag, vsecattr_t *vsecp); +extern int zfs_remove(znode_t *dzp, char *name, cred_t *cr, int flags); +extern int zfs_mkdir(znode_t *dzp, char *dirname, vattr_t *vap, + znode_t **zpp, cred_t *cr, int flags, vsecattr_t *vsecp); +extern int zfs_rmdir(znode_t *dzp, char *name, znode_t *cwd, + cred_t *cr, int flags); +extern int zfs_readdir(struct inode *ip, zpl_dir_context_t *ctx, cred_t *cr); +extern int zfs_fsync(znode_t *zp, int syncflag, cred_t *cr); +extern int zfs_getattr_fast(struct inode *ip, struct kstat *sp); +extern int zfs_setattr(znode_t *zp, vattr_t *vap, int flag, cred_t *cr); +extern int zfs_rename(znode_t *sdzp, char *snm, znode_t *tdzp, + char *tnm, cred_t *cr, int flags); +extern int zfs_symlink(znode_t *dzp, char *name, vattr_t *vap, + char *link, znode_t **zpp, cred_t *cr, int flags); +extern int zfs_readlink(struct inode *ip, uio_t *uio, cred_t *cr); +extern int zfs_link(znode_t *tdzp, znode_t *szp, + char *name, cred_t *cr, int flags); +extern void zfs_inactive(struct inode *ip); +extern int zfs_space(znode_t *zp, int cmd, flock64_t *bfp, int flag, + offset_t offset, cred_t *cr); +extern int zfs_fid(struct inode *ip, fid_t *fidp); +extern int zfs_getsecattr(struct inode *ip, vsecattr_t *vsecp, int flag, + cred_t *cr); +extern int zfs_setsecattr(znode_t *zp, vsecattr_t *vsecp, int flag, + cred_t *cr); +extern int zfs_getpage(struct inode *ip, struct page *pl[], int nr_pages); +extern int zfs_putpage(struct inode *ip, struct page *pp, + struct writeback_control *wbc); +extern int zfs_dirty_inode(struct inode *ip, int flags); +extern int zfs_map(struct inode *ip, offset_t off, caddr_t *addrp, + size_t len, unsigned long vm_flags); +extern void zfs_zrele_async(znode_t *zp); + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_FS_ZFS_VNOPS_H */ diff --git a/include/os/linux/zfs/sys/zfs_znode_impl.h b/include/os/linux/zfs/sys/zfs_znode_impl.h new file mode 100644 index 0000000000000..39bbd135ac06b --- /dev/null +++ b/include/os/linux/zfs/sys/zfs_znode_impl.h @@ -0,0 +1,168 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2018 by Delphix. All rights reserved. + * Copyright 2016 Nexenta Systems, Inc. All rights reserved. + */ + +#ifndef _SYS_ZFS_ZNODE_IMPL_H +#define _SYS_ZFS_ZNODE_IMPL_H + +#ifndef _KERNEL +#error "no user serviceable parts within" +#endif + +#include <sys/isa_defs.h> +#include <sys/types32.h> +#include <sys/list.h> +#include <sys/dmu.h> +#include <sys/sa.h> +#include <sys/zfs_vfsops.h> +#include <sys/rrwlock.h> +#include <sys/zfs_sa.h> +#include <sys/zfs_stat.h> +#include <sys/zfs_rlock.h> + + +#ifdef __cplusplus +extern "C" { +#endif + +#define ZNODE_OS_FIELDS \ + struct inode z_inode; + + +/* + * Convert between znode pointers and inode pointers + */ +#define ZTOI(znode) (&((znode)->z_inode)) +#define ITOZ(inode) (container_of((inode), znode_t, z_inode)) +#define ZTOZSB(znode) ((zfsvfs_t *)(ZTOI(znode)->i_sb->s_fs_info)) +#define ITOZSB(inode) ((zfsvfs_t *)((inode)->i_sb->s_fs_info)) + +#define ZTOTYPE(zp) (ZTOI(zp)->i_mode) +#define ZTOGID(zp) (ZTOI(zp)->i_gid) +#define ZTOUID(zp) (ZTOI(zp)->i_uid) +#define ZTONLNK(zp) (ZTOI(zp)->i_nlink) + +#define Z_ISBLK(type) S_ISBLK(type) +#define Z_ISCHR(type) S_ISCHR(type) +#define Z_ISLNK(type) S_ISLNK(type) +#define Z_ISDEV(type) (S_ISCHR(type) || S_ISBLK(type) || S_ISFIFO(type)) + +#define zhold(zp) igrab(ZTOI((zp))) +#define zrele(zp) iput(ZTOI((zp))) + +/* Called on entry to each ZFS inode and vfs operation. */ +#define ZFS_ENTER_ERROR(zfsvfs, error) \ +do { \ + rrm_enter_read(&(zfsvfs)->z_teardown_lock, FTAG); \ + if ((zfsvfs)->z_unmounted) { \ + ZFS_EXIT(zfsvfs); \ + return (error); \ + } \ +} while (0) +#define ZFS_ENTER(zfsvfs) ZFS_ENTER_ERROR(zfsvfs, EIO) +#define ZPL_ENTER(zfsvfs) ZFS_ENTER_ERROR(zfsvfs, -EIO) + +/* Must be called before exiting the operation. */ +#define ZFS_EXIT(zfsvfs) \ +do { \ + zfs_exit_fs(zfsvfs); \ + rrm_exit(&(zfsvfs)->z_teardown_lock, FTAG); \ +} while (0) +#define ZPL_EXIT(zfsvfs) ZFS_EXIT(zfsvfs) + +/* Verifies the znode is valid. */ +#define ZFS_VERIFY_ZP_ERROR(zp, error) \ +do { \ + if ((zp)->z_sa_hdl == NULL) { \ + ZFS_EXIT(ZTOZSB(zp)); \ + return (error); \ + } \ +} while (0) +#define ZFS_VERIFY_ZP(zp) ZFS_VERIFY_ZP_ERROR(zp, EIO) +#define ZPL_VERIFY_ZP(zp) ZFS_VERIFY_ZP_ERROR(zp, -EIO) + +/* + * Macros for dealing with dmu_buf_hold + */ +#define ZFS_OBJ_MTX_SZ 64 +#define ZFS_OBJ_MTX_MAX (1024 * 1024) +#define ZFS_OBJ_HASH(zfsvfs, obj) ((obj) & ((zfsvfs->z_hold_size) - 1)) + +extern unsigned int zfs_object_mutex_size; + +/* + * Encode ZFS stored time values from a struct timespec / struct timespec64. + */ +#define ZFS_TIME_ENCODE(tp, stmp) \ +do { \ + (stmp)[0] = (uint64_t)(tp)->tv_sec; \ + (stmp)[1] = (uint64_t)(tp)->tv_nsec; \ +} while (0) + +#if defined(HAVE_INODE_TIMESPEC64_TIMES) +/* + * Decode ZFS stored time values to a struct timespec64 + * 4.18 and newer kernels. + */ +#define ZFS_TIME_DECODE(tp, stmp) \ +do { \ + (tp)->tv_sec = (time64_t)(stmp)[0]; \ + (tp)->tv_nsec = (long)(stmp)[1]; \ +} while (0) +#else +/* + * Decode ZFS stored time values to a struct timespec + * 4.17 and older kernels. + */ +#define ZFS_TIME_DECODE(tp, stmp) \ +do { \ + (tp)->tv_sec = (time_t)(stmp)[0]; \ + (tp)->tv_nsec = (long)(stmp)[1]; \ +} while (0) +#endif /* HAVE_INODE_TIMESPEC64_TIMES */ + +struct znode; + +extern int zfs_sync(struct super_block *, int, cred_t *); +extern int zfs_inode_alloc(struct super_block *, struct inode **ip); +extern void zfs_inode_destroy(struct inode *); +extern void zfs_inode_update(struct znode *); +extern void zfs_mark_inode_dirty(struct inode *); +extern boolean_t zfs_relatime_need_update(const struct inode *); + +#if defined(HAVE_UIO_RW) +extern caddr_t zfs_map_page(page_t *, enum seg_rw); +extern void zfs_unmap_page(page_t *, caddr_t); +#endif /* HAVE_UIO_RW */ + +extern zil_get_data_t zfs_get_data; +extern zil_replay_func_t *zfs_replay_vector[TX_MAX_TYPE]; +extern int zfsfstype; + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_ZFS_ZNODE_IMPL_H */ diff --git a/include/os/linux/zfs/sys/zpl.h b/include/os/linux/zfs/sys/zpl.h new file mode 100644 index 0000000000000..ef5a0b842d09a --- /dev/null +++ b/include/os/linux/zfs/sys/zpl.h @@ -0,0 +1,183 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (c) 2011, Lawrence Livermore National Security, LLC. + */ + +#ifndef _SYS_ZPL_H +#define _SYS_ZPL_H + +#include <sys/mntent.h> +#include <sys/vfs.h> +#include <linux/aio.h> +#include <linux/dcache_compat.h> +#include <linux/exportfs.h> +#include <linux/falloc.h> +#include <linux/parser.h> +#include <linux/task_io_accounting_ops.h> +#include <linux/vfs_compat.h> +#include <linux/writeback.h> +#include <linux/xattr_compat.h> + +/* zpl_inode.c */ +extern void zpl_vap_init(vattr_t *vap, struct inode *dir, + umode_t mode, cred_t *cr); + +extern const struct inode_operations zpl_inode_operations; +extern const struct inode_operations zpl_dir_inode_operations; +extern const struct inode_operations zpl_symlink_inode_operations; +extern const struct inode_operations zpl_special_inode_operations; +extern dentry_operations_t zpl_dentry_operations; + +/* zpl_file.c */ +extern ssize_t zpl_read_common(struct inode *ip, const char *buf, + size_t len, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr); +extern ssize_t zpl_write_common(struct inode *ip, const char *buf, + size_t len, loff_t *ppos, uio_seg_t segment, int flags, + cred_t *cr); + +extern const struct address_space_operations zpl_address_space_operations; +extern const struct file_operations zpl_file_operations; +extern const struct file_operations zpl_dir_file_operations; + +/* zpl_super.c */ +extern void zpl_prune_sb(int64_t nr_to_scan, void *arg); + +extern const struct super_operations zpl_super_operations; +extern const struct export_operations zpl_export_operations; +extern struct file_system_type zpl_fs_type; + +/* zpl_xattr.c */ +extern ssize_t zpl_xattr_list(struct dentry *dentry, char *buf, size_t size); +extern int zpl_xattr_security_init(struct inode *ip, struct inode *dip, + const struct qstr *qstr); +#if defined(CONFIG_FS_POSIX_ACL) +#if defined(HAVE_SET_ACL) +extern int zpl_set_acl(struct inode *ip, struct posix_acl *acl, int type); +#endif /* HAVE_SET_ACL */ +extern struct posix_acl *zpl_get_acl(struct inode *ip, int type); +extern int zpl_init_acl(struct inode *ip, struct inode *dir); +extern int zpl_chmod_acl(struct inode *ip); +#else +static inline int +zpl_init_acl(struct inode *ip, struct inode *dir) +{ + return (0); +} + +static inline int +zpl_chmod_acl(struct inode *ip) +{ + return (0); +} +#endif /* CONFIG_FS_POSIX_ACL */ + +extern xattr_handler_t *zpl_xattr_handlers[]; + +/* zpl_ctldir.c */ +extern const struct file_operations zpl_fops_root; +extern const struct inode_operations zpl_ops_root; + +extern const struct file_operations zpl_fops_snapdir; +extern const struct inode_operations zpl_ops_snapdir; +extern const struct dentry_operations zpl_dops_snapdirs; + +extern const struct file_operations zpl_fops_shares; +extern const struct inode_operations zpl_ops_shares; + +#if defined(HAVE_VFS_ITERATE) || defined(HAVE_VFS_ITERATE_SHARED) + +#define ZPL_DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ + .actor = _actor, \ + .pos = _pos, \ +} + +typedef struct dir_context zpl_dir_context_t; + +#define zpl_dir_emit dir_emit +#define zpl_dir_emit_dot dir_emit_dot +#define zpl_dir_emit_dotdot dir_emit_dotdot +#define zpl_dir_emit_dots dir_emit_dots + +#else + +typedef struct zpl_dir_context { + void *dirent; + const filldir_t actor; + loff_t pos; +} zpl_dir_context_t; + +#define ZPL_DIR_CONTEXT_INIT(_dirent, _actor, _pos) { \ + .dirent = _dirent, \ + .actor = _actor, \ + .pos = _pos, \ +} + +static inline bool +zpl_dir_emit(zpl_dir_context_t *ctx, const char *name, int namelen, + uint64_t ino, unsigned type) +{ + return (!ctx->actor(ctx->dirent, name, namelen, ctx->pos, ino, type)); +} + +static inline bool +zpl_dir_emit_dot(struct file *file, zpl_dir_context_t *ctx) +{ + return (ctx->actor(ctx->dirent, ".", 1, ctx->pos, + file_inode(file)->i_ino, DT_DIR) == 0); +} + +static inline bool +zpl_dir_emit_dotdot(struct file *file, zpl_dir_context_t *ctx) +{ + return (ctx->actor(ctx->dirent, "..", 2, ctx->pos, + parent_ino(file_dentry(file)), DT_DIR) == 0); +} + +static inline bool +zpl_dir_emit_dots(struct file *file, zpl_dir_context_t *ctx) +{ + if (ctx->pos == 0) { + if (!zpl_dir_emit_dot(file, ctx)) + return (false); + ctx->pos = 1; + } + if (ctx->pos == 1) { + if (!zpl_dir_emit_dotdot(file, ctx)) + return (false); + ctx->pos = 2; + } + return (true); +} +#endif /* HAVE_VFS_ITERATE */ + +#if defined(HAVE_INODE_TIMESTAMP_TRUNCATE) +#define zpl_inode_timestamp_truncate(ts, ip) timestamp_truncate(ts, ip) +#elif defined(HAVE_INODE_TIMESPEC64_TIMES) +#define zpl_inode_timestamp_truncate(ts, ip) \ + timespec64_trunc(ts, (ip)->i_sb->s_time_gran) +#else +#define zpl_inode_timestamp_truncate(ts, ip) \ + timespec_trunc(ts, (ip)->i_sb->s_time_gran) +#endif + +#endif /* _SYS_ZPL_H */ |