svn commit: r362396 - in head: cddl/contrib/opensolaris/cmd/zfs cddl/contrib/opensolaris/cmd/zpool sys/cddl/contrib/opensolaris/uts/common/fs/zfs

[Allan Jude]

Author: allanjude
Date: Fri Jun 19 17:59:55 2020
New Revision: 362396
URL: https://svnweb.freebsd.org/changeset/base/362396

Log:
  ZFS: Allow setting checksum=skein on boot pools
  
  PR:		245889
  Reported by:	delphij
  Sponsored by:	Klara Inc.

Modified:
  head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
  head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
  head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c

Modified: head/cddl/contrib/opensolaris/cmd/zfs/zfs.8
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zfs/zfs.8	Fri Jun 19 17:56:05 2020	(r362395)
+++ head/cddl/contrib/opensolaris/cmd/zfs/zfs.8	Fri Jun 19 17:59:55 2020	(r362396)
@@ -1001,9 +1001,9 @@ for more information on these algorithms.
 .Pp
 Changing this property affects only newly-written data.
 .Pp
-Salted checksum algorithms
-.Pq Cm edonr , skein
-are currently not supported for any filesystem on the boot pools.
+The salted checksum algorithm
+.Pq Cm edonr
+is currently not supported on FreeBSD.
 .It Sy compression Ns = Ns Cm on | off | lzjb | gzip | gzip- Ns Ar N | Cm zle | Cm lz4
 Controls the compression algorithm used for this dataset.
 Setting compression to

Modified: head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7
==============================================================================
--- head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7	Fri Jun 19 17:56:05 2020	(r362395)
+++ head/cddl/contrib/opensolaris/cmd/zpool/zpool-features.7	Fri Jun 19 17:59:55 2020	(r362396)
@@ -632,6 +632,9 @@ and will return to being
 once all filesystems that have ever had their checksum set to
 .Sy skein
 are destroyed.
+Booting off of pools using
+.Sy skein
+is supported.
 .It Sy allocation_classes
 .Bl -column "READ\-ONLY COMPATIBLE" "com.intel:allocation_classes"
 .It GUID Ta com.intel:allocation_classes

Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c	Fri Jun 19 17:56:05 2020	(r362395)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ioctl.c	Fri Jun 19 17:59:55 2020	(r362396)
@@ -4373,16 +4373,7 @@ zfs_check_settable(const char *dsname, nvpair_t *pair,
 
 		if ((err = spa_open(dsname, &spa, FTAG)) != 0)
 			return (err);
-		/*
-		 * Salted checksums are not supported on root pools.
-		 */
-		if (spa_bootfs(spa) != 0 &&
-		    intval < ZIO_CHECKSUM_FUNCTIONS &&
-		    (zio_checksum_table[intval].ci_flags &
-		    ZCHECKSUM_FLAG_SALTED)) {
-			spa_close(spa, FTAG);
-			return (SET_ERROR(ERANGE));
-		}
+
 		if (!spa_feature_is_enabled(spa, feature)) {
 			spa_close(spa, FTAG);
 			return (SET_ERROR(ENOTSUP));