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Commit 08e213be authored by Darrick J. Wong's avatar Darrick J. Wong Committed by Greg Kroah-Hartman
Browse files

xfs: fix flags argument to rmap lookup when converting shared file rmaps 



[ Upstream commit ea8439899c0b15a176664df62aff928010fad276 ]

Pass the same oldext argument (which contains the existing rmapping's
unwritten state) to xfs_rmap_lookup_le_range at the start of
xfs_rmap_convert_shared.  At this point in the code, flags is zero,
which means that we perform lookups using the wrong key.

Fixes: 3f165b33 ("xfs: convert unwritten status of reverse mappings for shared files")
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent a8ee6865

fs/xfs/libxfs/xfs_rmap.c

+1 −1
Original line number Diff line number Diff line
@@ -1379,7 +1379,7 @@ xfs_rmap_convert_shared( 
	 * record for our insertion point. This will also give us the record for

	 * start block contiguity tests.

	 */

	error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, flags,

	error = xfs_rmap_lookup_le_range(cur, bno, owner, offset, oldext,

			&PREV, &i);

	if (error)

		goto done;