21 files changed, 25 insertions, 37 deletions

diff --git a/sys/contrib/openzfs/module/os/linux/spl/README.md b/sys/contrib/openzfs/module/os/linux/spl/README.md
index 51166425f063..906530bcf2ad 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/README.md
+++ b/sys/contrib/openzfs/module/os/linux/spl/README.md
@@ -1,5 +1,5 @@
 The Solaris Porting Layer, SPL, is a Linux kernel module which provides a
-compatibility layer used by the [ZFS on Linux](https://zfsonlinux.org) project.
+compatibility layer used by the [OpenZFS](https://github.com/openzfs/zfs) project.
 
 # Installation
 
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-atomic.c b/sys/contrib/openzfs/module/os/linux/spl/spl-atomic.c
index 47ed1886e157..accf656fbcc6 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-atomic.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-atomic.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-condvar.c b/sys/contrib/openzfs/module/os/linux/spl/spl-condvar.c
index 49f48664503a..d0461a9f1298 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-condvar.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-condvar.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c b/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
index 6e93a32e60d7..8fe1cc30ba99 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-cred.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-err.c b/sys/contrib/openzfs/module/os/linux/spl/spl-err.c
index 3c0bb71c0629..10b768d57360 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-err.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-err.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-generic.c b/sys/contrib/openzfs/module/os/linux/spl/spl-generic.c
index 820fb86c3c7d..1da7618185ec 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-generic.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-generic.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-kmem-cache.c b/sys/contrib/openzfs/module/os/linux/spl/spl-kmem-cache.c
index 15dc27624c55..6b3d559ffc1c 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-kmem-cache.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-kmem-cache.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-kmem.c b/sys/contrib/openzfs/module/os/linux/spl/spl-kmem.c
index f19421cfcc03..943966cbb17a 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-kmem.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-kmem.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
@@ -217,7 +216,7 @@ spl_kmem_alloc_impl(size_t size, int flags, int node)
 	    !(flags & KM_VMEM)) {
 		printk(KERN_WARNING
 		    "Large kmem_alloc(%lu, 0x%x), please file an issue at:\n"
-		    "https://github.com/zfsonlinux/zfs/issues/new\n",
+		    "https://github.com/openzfs/zfs/issues/new\n",
 		    (unsigned long)size, flags);
 		dump_stack();
 	}
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-kstat.c b/sys/contrib/openzfs/module/os/linux/spl/spl-kstat.c
index b9eeb332ee57..dbbf72c8569d 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-kstat.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-kstat.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-proc.c b/sys/contrib/openzfs/module/os/linux/spl/spl-proc.c
index 6936db5d6466..3e58598d43f8 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-proc.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-proc.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-taskq.c b/sys/contrib/openzfs/module/os/linux/spl/spl-taskq.c
index 9cbf3e38137c..fafadffc751c 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-taskq.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-taskq.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-thread.c b/sys/contrib/openzfs/module/os/linux/spl/spl-thread.c
index 0352a31ea835..db23fb64a298 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-thread.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-thread.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-tsd.c b/sys/contrib/openzfs/module/os/linux/spl/spl-tsd.c
index b955ed65470f..546db9ab8bd7 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-tsd.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-tsd.c
@@ -5,7 +5,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-vmem.c b/sys/contrib/openzfs/module/os/linux/spl/spl-vmem.c
index 32372e6f2b60..cab3e9549cfe 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-vmem.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-vmem.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-xdr.c b/sys/contrib/openzfs/module/os/linux/spl/spl-xdr.c
index 1dd31ffc1483..5e763c25606f 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-xdr.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-xdr.c
@@ -3,7 +3,6 @@
  *  Written by Ricardo Correia <Ricardo.M.Correia@Sun.COM>
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/spl/spl-zlib.c b/sys/contrib/openzfs/module/os/linux/spl/spl-zlib.c
index db05e28925b5..589496da0c78 100644
--- a/sys/contrib/openzfs/module/os/linux/spl/spl-zlib.c
+++ b/sys/contrib/openzfs/module/os/linux/spl/spl-zlib.c
@@ -6,7 +6,6 @@
  *  UCRL-CODE-235197
  *
  *  This file is part of the SPL, Solaris Porting Layer.
- *  For details, see <http://zfsonlinux.org/>.
  *
  *  The SPL is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zfs_acl.c b/sys/contrib/openzfs/module/os/linux/zfs/zfs_acl.c
index 11b5559321ad..2628325c0ba9 100644
--- a/sys/contrib/openzfs/module/os/linux/zfs/zfs_acl.c
+++ b/sys/contrib/openzfs/module/os/linux/zfs/zfs_acl.c
@@ -2666,7 +2666,7 @@ zfs_zaccess(znode_t *zp, int mode, int flags, boolean_t skipaclchk, cred_t *cr)
 
 /*
  * Translate traditional unix S_IRUSR/S_IWUSR/S_IXUSR mode into
- * native ACL format and call zfs_zaccess()
+ * NFSv4-style ZFS ACL format and call zfs_zaccess()
  */
 int
 zfs_zaccess_rwx(znode_t *zp, mode_t mode, int flags, cred_t *cr)
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zfs_ctldir.c b/sys/contrib/openzfs/module/os/linux/zfs/zfs_ctldir.c
index 26e785a0d422..c13a9771235d 100644
--- a/sys/contrib/openzfs/module/os/linux/zfs/zfs_ctldir.c
+++ b/sys/contrib/openzfs/module/os/linux/zfs/zfs_ctldir.c
@@ -131,7 +131,7 @@ static void zfsctl_snapshot_unmount_delay_impl(zfs_snapentry_t *se, int delay);
  * the snapshot name and provided mount point.  No reference is taken.
  */
 static zfs_snapentry_t *
-zfsctl_snapshot_alloc(char *full_name, char *full_path, spa_t *spa,
+zfsctl_snapshot_alloc(const char *full_name, const char *full_path, spa_t *spa,
     uint64_t objsetid, struct dentry *root_dentry)
 {
 	zfs_snapentry_t *se;
@@ -261,13 +261,13 @@ snapentry_compare_by_objsetid(const void *a, const void *b)
  * NULL will be returned.
  */
 static zfs_snapentry_t *
-zfsctl_snapshot_find_by_name(char *snapname)
+zfsctl_snapshot_find_by_name(const char *snapname)
 {
 	zfs_snapentry_t *se, search;
 
 	ASSERT(RW_LOCK_HELD(&zfs_snapshot_lock));
 
-	search.se_name = snapname;
+	search.se_name = (char *)snapname;
 	se = avl_find(&zfs_snapshots_by_name, &search, NULL);
 	if (se)
 		zfsctl_snapshot_hold(se);
@@ -301,7 +301,7 @@ zfsctl_snapshot_find_by_objsetid(spa_t *spa, uint64_t objsetid)
  * removed, renamed, and added back to the new correct location in the tree.
  */
 static int
-zfsctl_snapshot_rename(char *old_snapname, char *new_snapname)
+zfsctl_snapshot_rename(const char *old_snapname, const char *new_snapname)
 {
 	zfs_snapentry_t *se;
 
@@ -410,7 +410,7 @@ zfsctl_snapshot_unmount_delay(spa_t *spa, uint64_t objsetid, int delay)
  * and zero when unmounted.
  */
 static boolean_t
-zfsctl_snapshot_ismounted(char *snapname)
+zfsctl_snapshot_ismounted(const char *snapname)
 {
 	zfs_snapentry_t *se;
 	boolean_t ismounted = B_FALSE;
@@ -751,7 +751,7 @@ out:
  * Special case the handling of "..".
  */
 int
-zfsctl_root_lookup(struct inode *dip, char *name, struct inode **ipp,
+zfsctl_root_lookup(struct inode *dip, const char *name, struct inode **ipp,
     int flags, cred_t *cr, int *direntflags, pathname_t *realpnp)
 {
 	zfsvfs_t *zfsvfs = ITOZSB(dip);
@@ -784,7 +784,7 @@ zfsctl_root_lookup(struct inode *dip, char *name, struct inode **ipp,
  * snapshot if it exist, creating the pseudo filesystem inode as necessary.
  */
 int
-zfsctl_snapdir_lookup(struct inode *dip, char *name, struct inode **ipp,
+zfsctl_snapdir_lookup(struct inode *dip, const char *name, struct inode **ipp,
     int flags, cred_t *cr, int *direntflags, pathname_t *realpnp)
 {
 	zfsvfs_t *zfsvfs = ITOZSB(dip);
@@ -815,8 +815,8 @@ zfsctl_snapdir_lookup(struct inode *dip, char *name, struct inode **ipp,
  * to the '.zfs/snapshot' directory snapshots cannot be moved elsewhere.
  */
 int
-zfsctl_snapdir_rename(struct inode *sdip, char *snm,
-    struct inode *tdip, char *tnm, cred_t *cr, int flags)
+zfsctl_snapdir_rename(struct inode *sdip, const char *snm,
+    struct inode *tdip, const char *tnm, cred_t *cr, int flags)
 {
 	zfsvfs_t *zfsvfs = ITOZSB(sdip);
 	char *to, *from, *real, *fsname;
@@ -893,7 +893,8 @@ out:
  * the removal of the snapshot with the given name.
  */
 int
-zfsctl_snapdir_remove(struct inode *dip, char *name, cred_t *cr, int flags)
+zfsctl_snapdir_remove(struct inode *dip, const char *name, cred_t *cr,
+    int flags)
 {
 	zfsvfs_t *zfsvfs = ITOZSB(dip);
 	char *snapname, *real;
@@ -941,7 +942,7 @@ out:
  * the creation of a new snapshot with the given name.
  */
 int
-zfsctl_snapdir_mkdir(struct inode *dip, char *dirname, vattr_t *vap,
+zfsctl_snapdir_mkdir(struct inode *dip, const char *dirname, vattr_t *vap,
     struct inode **ipp, cred_t *cr, int flags)
 {
 	zfsvfs_t *zfsvfs = ITOZSB(dip);
@@ -1001,7 +1002,7 @@ exportfs_flush(void)
  * it's in use, the unmount will fail harmlessly.
  */
 int
-zfsctl_snapshot_unmount(char *snapname, int flags)
+zfsctl_snapshot_unmount(const char *snapname, int flags)
 {
 	char *argv[] = { "/usr/bin/env", "umount", "-t", "zfs", "-n", NULL,
 	    NULL };
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zfs_dir.c b/sys/contrib/openzfs/module/os/linux/zfs/zfs_dir.c
index 383657208df3..207a51d75bc9 100644
--- a/sys/contrib/openzfs/module/os/linux/zfs/zfs_dir.c
+++ b/sys/contrib/openzfs/module/os/linux/zfs/zfs_dir.c
@@ -60,8 +60,9 @@
  * of names after deciding which is the appropriate lookup interface.
  */
 static int
-zfs_match_find(zfsvfs_t *zfsvfs, znode_t *dzp, char *name, matchtype_t mt,
-    boolean_t update, int *deflags, pathname_t *rpnp, uint64_t *zoid)
+zfs_match_find(zfsvfs_t *zfsvfs, znode_t *dzp, const char *name,
+    matchtype_t mt, boolean_t update, int *deflags, pathname_t *rpnp,
+    uint64_t *zoid)
 {
 	boolean_t conflict = B_FALSE;
 	int error;
@@ -139,8 +140,8 @@ zfs_match_find(zfsvfs_t *zfsvfs, znode_t *dzp, char *name, matchtype_t mt,
  *	 but return znode pointers to a single match.
  */
 int
-zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name, znode_t **zpp,
-    int flag, int *direntflags, pathname_t *realpnp)
+zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name,
+    znode_t **zpp, int flag, int *direntflags, pathname_t *realpnp)
 {
 	zfsvfs_t	*zfsvfs = ZTOZSB(dzp);
 	zfs_dirlock_t	*dl;
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zfs_vfsops.c b/sys/contrib/openzfs/module/os/linux/zfs/zfs_vfsops.c
index 15ec7b91b001..b218237d07ff 100644
--- a/sys/contrib/openzfs/module/os/linux/zfs/zfs_vfsops.c
+++ b/sys/contrib/openzfs/module/os/linux/zfs/zfs_vfsops.c
@@ -352,6 +352,7 @@ acltype_changed_cb(void *arg, uint64_t newval)
 	zfsvfs_t *zfsvfs = arg;
 
 	switch (newval) {
+	case ZFS_ACLTYPE_NFSV4:
 	case ZFS_ACLTYPE_OFF:
 		zfsvfs->z_acl_type = ZFS_ACLTYPE_OFF;
 		zfsvfs->z_sb->s_flags &= ~SB_POSIXACL;
diff --git a/sys/contrib/openzfs/module/os/linux/zfs/zfs_vnops.c b/sys/contrib/openzfs/module/os/linux/zfs/zfs_vnops.c
index 2d104a5001ec..b668c7dff013 100644
--- a/sys/contrib/openzfs/module/os/linux/zfs/zfs_vnops.c
+++ b/sys/contrib/openzfs/module/os/linux/zfs/zfs_vnops.c
@@ -1234,8 +1234,8 @@ zfs_access(struct inode *ip, int mode, int flag, cred_t *cr)
  */
 /* ARGSUSED */
 int
-zfs_lookup(znode_t *zdp, char *nm, znode_t **zpp, int flags,
-    cred_t *cr, int *direntflags, pathname_t *realpnp)
+zfs_lookup(znode_t *zdp, char *nm, znode_t **zpp, int flags, cred_t *cr,
+    int *direntflags, pathname_t *realpnp)
 {
 	zfsvfs_t *zfsvfs = ZTOZSB(zdp);
 	int error = 0;
@@ -2543,7 +2543,7 @@ zfs_setattr_dir(znode_t *dzp)
 	zap_cursor_t	zc;
 	zap_attribute_t	zap;
 	zfs_dirlock_t	*dl;
-	znode_t		*zp;
+	znode_t		*zp = NULL;
 	dmu_tx_t	*tx = NULL;
 	uint64_t	uid, gid;
 	sa_bulk_attr_t	bulk[4];