[PATCH] ovl: check IOCB_APPEND flag

[Weizhao Ouyang]

Add *_APPEND flag for ovl_iocb_to_rwf().

Signed-off-by: Weizhao Ouyang <o451686892@xxxxxxxxx>
---
 fs/overlayfs/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/overlayfs/file.c b/fs/overlayfs/file.c
index a1a22f58ba18..ed286dd0e719 100644
--- a/fs/overlayfs/file.c
+++ b/fs/overlayfs/file.c
@@ -244,6 +244,8 @@ static rwf_t ovl_iocb_to_rwf(int ifl)
 {
 	rwf_t flags = 0;
 
+	if (ifl & IOCB_APPEND)
+		flags |= RWF_APPEND;
 	if (ifl & IOCB_NOWAIT)
 		flags |= RWF_NOWAIT;
 	if (ifl & IOCB_HIPRI)
-- 
2.37.2