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[5.10,CANDIDATE,v2,7/7] xfs: fix xfs_reflink_unshare usage of filemap_write_and_wait_range

Message ID 20220627073311.2800330-8-amir73il@gmail.com (mailing list archive)
State New, archived
Headers show
Series xfs stable candidate patches for 5.10.y (from v5.13) | expand

Commit Message

Amir Goldstein June 27, 2022, 7:33 a.m. UTC
From: "Darrick J. Wong" <djwong@kernel.org>

commit d4f74e162d238ce00a640af5f0611c3f51dad70e upstream.

The final parameter of filemap_write_and_wait_range is the end of the
range to flush, not the length of the range to flush.

Fixes: 46afb0628b86 ("xfs: only flush the unshared range in xfs_reflink_unshare")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
 fs/xfs/xfs_reflink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series


diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 6fa05fb78189..aa46b75d75af 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -1503,7 +1503,8 @@  xfs_reflink_unshare(
 	if (error)
 		goto out;
-	error = filemap_write_and_wait_range(inode->i_mapping, offset, len);
+	error = filemap_write_and_wait_range(inode->i_mapping, offset,
+			offset + len - 1);
 	if (error)
 		goto out;