[PATCH 18/29] xfs: set XBF_NOWAIT for xfs_buf_read_map if necessary

[Hao Xu <hao.xu@xxxxxxxxx>]

From: Hao Xu <howeyxu@xxxxxxxxxxx>

Set XBF_NOWAIT for xfs_buf_read_map() if necessary.

Signed-off-by: Hao Xu <howeyxu@xxxxxxxxxxx>
---
 fs/xfs/xfs_trans_buf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 6549e50d852c..016371f58f26 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -286,6 +286,8 @@ xfs_trans_read_buf_map(
 		return 0;
 	}
 
+	if (tp && (tp->t_flags & XFS_TRANS_NOWAIT))
+		flags |= XBF_NOWAIT;
 	error = xfs_buf_read_map(target, map, nmaps, flags, &bp, ops,
 			__return_address);
 	switch (error) {
-- 
2.25.1