xfs: require XFS_SB_FEAT_INCOMPAT_LOG_XATTRS for attr log intent item recovery

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From: "Darrick J. Wong" <djwong@xxxxxxxxxx>

commit 8ef1d96a985e4dc07ffbd71bd7fc5604a80cc644 upstream.

The XFS_SB_FEAT_INCOMPAT_LOG_XATTRS feature bit protects a filesystem
from old kernels that do not know how to recover extended attribute log
intent items.  Make this check mandatory instead of a debugging assert.

Fixes: fd920008784ea ("xfs: Set up infrastructure for log attribute replay")
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Catherine Hoang <catherine.hoang@xxxxxxxxxx>
Acked-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 fs/xfs/xfs_attr_item.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/fs/xfs/xfs_attr_item.c
+++ b/fs/xfs/xfs_attr_item.c
@@ -510,6 +510,9 @@ xfs_attri_validate(
 	unsigned int			op = attrp->alfi_op_flags &
 					     XFS_ATTRI_OP_FLAGS_TYPE_MASK;
 
+	if (!xfs_sb_version_haslogxattrs(&mp->m_sb))
+		return false;
+
 	if (attrp->__pad != 0)
 		return false;
 
@@ -602,8 +605,6 @@ xfs_attri_item_recover(
 	args->op_flags = XFS_DA_OP_RECOVERY | XFS_DA_OP_OKNOENT |
 			 XFS_DA_OP_LOGGED;
 
-	ASSERT(xfs_sb_version_haslogxattrs(&mp->m_sb));
-
 	switch (attr->xattri_op_flags) {
 	case XFS_ATTRI_OP_FLAGS_SET:
 	case XFS_ATTRI_OP_FLAGS_REPLACE:


Patches currently in stable-queue which might be from catherine.hoang@xxxxxxxxxx are

queue-6.6/xfs-enforce-one-namespace-per-attribute.patch
queue-6.6/xfs-use-dontcache-for-grabbing-inodes-during-scrub.patch
queue-6.6/xfs-revert-commit-44af6c7e59b12.patch
queue-6.6/xfs-check-shortform-attr-entry-flags-specifically.patch
queue-6.6/xfs-make-the-seq-argument-to-xfs_bmapi_convert_delalloc-optional.patch
queue-6.6/xfs-check-opcode-and-iovec-count-match-in-xlog_recover_attri_commit_pass2.patch
queue-6.6/xfs-allow-symlinks-with-short-remote-targets.patch
queue-6.6/xfs-match-lock-mode-in-xfs_buffered_write_iomap_begin.patch
queue-6.6/xfs-require-xfs_sb_feat_incompat_log_xattrs-for-attr-log-intent-item-recovery.patch
queue-6.6/xfs-allow-unlinked-symlinks-and-dirs-with-zero-size.patch
queue-6.6/xfs-restrict-when-we-try-to-align-cow-fork-delalloc-to-cowextsz-hints.patch
queue-6.6/xfs-fix-xfs_bmap_add_extent_delay_real-for-partial-conversions.patch
queue-6.6/xfs-fix-missing-check-for-invalid-attr-flags.patch
queue-6.6/xfs-validate-recovered-name-buffers-when-recovering-xattr-items.patch
queue-6.6/xfs-make-xfs_bmapi_convert_delalloc-to-allocate-the-target-offset.patch
queue-6.6/xfs-convert-delayed-extents-to-unwritten-when-zeroing-post-eof-blocks.patch
queue-6.6/xfs-fix-freeing-speculative-preallocations-for-preallocated-files.patch
queue-6.6/xfs-fix-unlink-vs-cluster-buffer-instantiation-race.patch
queue-6.6/xfs-make-sure-sb_fdblocks-is-non-negative.patch
queue-6.6/xfs-remove-a-racy-if_bytes-check-in-xfs_reflink_end_cow_extent.patch
queue-6.6/xfs-fix-error-returns-from-xfs_bmapi_write.patch




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