diff options
Diffstat (limited to 'cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core_compat.c')
| -rw-r--r-- | cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core_compat.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core_compat.c b/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core_compat.c deleted file mode 100644 index a3b872ee29da4..0000000000000 --- a/cddl/contrib/opensolaris/lib/libzfs_core/common/libzfs_core_compat.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * 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) 2013 Martin Matuska <mm@FreeBSD.org>. All rights reserved. - */ - -#include <sys/zfs_ioctl.h> -#include <zfs_ioctl_compat.h> -#include "libzfs_core_compat.h" - -extern int zfs_ioctl_version; - -int -lzc_compat_pre(zfs_cmd_t *zc, zfs_ioc_t *ioc, nvlist_t **source) -{ - nvlist_t *nvl = NULL; - nvpair_t *pair, *hpair; - char *buf, *val; - zfs_ioc_t vecnum; - uint32_t type32; - int32_t cleanup_fd; - int error = 0; - int pos; - - if (zfs_ioctl_version >= ZFS_IOCVER_LZC) - return (0); - - vecnum = *ioc; - - switch (vecnum) { - case ZFS_IOC_CREATE: - type32 = fnvlist_lookup_int32(*source, "type"); - zc->zc_objset_type = (uint64_t)type32; - nvlist_lookup_nvlist(*source, "props", &nvl); - *source = nvl; - break; - case ZFS_IOC_CLONE: - buf = fnvlist_lookup_string(*source, "origin"); - strlcpy(zc->zc_value, buf, MAXPATHLEN); - nvlist_lookup_nvlist(*source, "props", &nvl); - *ioc = ZFS_IOC_CREATE; - *source = nvl; - break; - case ZFS_IOC_SNAPSHOT: - nvl = fnvlist_lookup_nvlist(*source, "snaps"); - pair = nvlist_next_nvpair(nvl, NULL); - if (pair != NULL) { - buf = nvpair_name(pair); - pos = strcspn(buf, "@"); - strlcpy(zc->zc_name, buf, pos + 1); - strlcpy(zc->zc_value, buf + pos + 1, MAXPATHLEN); - } else - error = EINVAL; - /* old kernel cannot create multiple snapshots */ - if (!error && nvlist_next_nvpair(nvl, pair) != NULL) - error = EOPNOTSUPP; - nvlist_free(nvl); - nvl = NULL; - nvlist_lookup_nvlist(*source, "props", &nvl); - *source = nvl; - break; - case ZFS_IOC_SPACE_SNAPS: - buf = fnvlist_lookup_string(*source, "firstsnap"); - strlcpy(zc->zc_value, buf, MAXPATHLEN); - break; - case ZFS_IOC_DESTROY_SNAPS: - nvl = fnvlist_lookup_nvlist(*source, "snaps"); - pair = nvlist_next_nvpair(nvl, NULL); - if (pair != NULL) { - buf = nvpair_name(pair); - pos = strcspn(buf, "@"); - strlcpy(zc->zc_name, buf, pos + 1); - } else - error = EINVAL; - /* old kernel cannot atomically destroy multiple snaps */ - if (!error && nvlist_next_nvpair(nvl, pair) != NULL) - error = EOPNOTSUPP; - *source = nvl; - break; - case ZFS_IOC_HOLD: - nvl = fnvlist_lookup_nvlist(*source, "holds"); - pair = nvlist_next_nvpair(nvl, NULL); - if (pair != NULL) { - buf = nvpair_name(pair); - pos = strcspn(buf, "@"); - strlcpy(zc->zc_name, buf, pos + 1); - strlcpy(zc->zc_value, buf + pos + 1, MAXPATHLEN); - if (nvpair_value_string(pair, &val) == 0) - strlcpy(zc->zc_string, val, MAXNAMELEN); - else - error = EINVAL; - } else - error = EINVAL; - /* old kernel cannot atomically create multiple holds */ - if (!error && nvlist_next_nvpair(nvl, pair) != NULL) - error = EOPNOTSUPP; - nvlist_free(nvl); - if (nvlist_lookup_int32(*source, "cleanup_fd", - &cleanup_fd) == 0) - zc->zc_cleanup_fd = cleanup_fd; - else - zc->zc_cleanup_fd = -1; - break; - case ZFS_IOC_RELEASE: - pair = nvlist_next_nvpair(*source, NULL); - if (pair != NULL) { - buf = nvpair_name(pair); - pos = strcspn(buf, "@"); - strlcpy(zc->zc_name, buf, pos + 1); - strlcpy(zc->zc_value, buf + pos + 1, MAXPATHLEN); - if (nvpair_value_nvlist(pair, &nvl) == 0) { - hpair = nvlist_next_nvpair(nvl, NULL); - if (hpair != NULL) - strlcpy(zc->zc_string, - nvpair_name(hpair), MAXNAMELEN); - else - error = EINVAL; - if (!error && nvlist_next_nvpair(nvl, - hpair) != NULL) - error = EOPNOTSUPP; - } else - error = EINVAL; - } else - error = EINVAL; - /* old kernel cannot atomically release multiple holds */ - if (!error && nvlist_next_nvpair(nvl, pair) != NULL) - error = EOPNOTSUPP; - break; - } - - return (error); -} - -void -lzc_compat_post(zfs_cmd_t *zc, const zfs_ioc_t ioc) -{ - if (zfs_ioctl_version >= ZFS_IOCVER_LZC) - return; - - switch (ioc) { - case ZFS_IOC_CREATE: - case ZFS_IOC_CLONE: - case ZFS_IOC_SNAPSHOT: - case ZFS_IOC_SPACE_SNAPS: - case ZFS_IOC_DESTROY_SNAPS: - zc->zc_nvlist_dst_filled = B_FALSE; - break; - } -} - -int -lzc_compat_outnvl(zfs_cmd_t *zc, const zfs_ioc_t ioc, nvlist_t **outnvl) -{ - nvlist_t *nvl; - - if (zfs_ioctl_version >= ZFS_IOCVER_LZC) - return (0); - - switch (ioc) { - case ZFS_IOC_SPACE_SNAPS: - nvl = fnvlist_alloc(); - fnvlist_add_uint64(nvl, "used", zc->zc_cookie); - fnvlist_add_uint64(nvl, "compressed", zc->zc_objset_type); - fnvlist_add_uint64(nvl, "uncompressed", zc->zc_perm_action); - *outnvl = nvl; - break; - } - - return (0); -} |