[PATCH 5.15 11/17] xfs: add missing cmap->br_state = XFS_EXT_NORM update

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From: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>

[ Upstream commit 1a39ae415c1be1e46f5b3f97d438c7c4adc22b63 ]

COW extents are already converted into written real extents after
xfs_reflink_convert_cow_locked(), therefore cmap->br_state should
reflect it.

Otherwise, there is another necessary unwritten convertion
triggered in xfs_dio_write_end_io() for direct I/O cases.

Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Leah Rumancik <leah.rumancik@xxxxxxxxx>
Acked-by: Chandan Babu R <chandanbabu@xxxxxxxxxx>
---
 fs/xfs/xfs_reflink.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 36832e4bc803..628ce65d02bb 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -425,7 +425,10 @@ xfs_reflink_allocate_cow(
 	if (!convert_now || cmap->br_state == XFS_EXT_NORM)
 		return 0;
 	trace_xfs_reflink_convert_cow(ip, cmap);
-	return xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);
+	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);
+	if (!error)
+		cmap->br_state = XFS_EXT_NORM;
+	return error;
 
 out_trans_cancel:
 	xfs_trans_cancel(tp);
-- 
2.43.0.rc0.421.g78406f8d94-goog




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