From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
Retry unaligned DIO with exclusive blocking semantics only when the
IOCB_NOWAIT flag is not set. If we are doing nonblocking user I/O,
propagate the error directly.
Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
---
fs/xfs/xfs_file.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5bddb1e9e0b3..250a3f97400d 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -576,9 +576,9 @@ xfs_file_dio_write_unaligned(
* don't even bother trying the fast path in this case.
*/
if (iocb->ki_pos > isize || iocb->ki_pos + count >= isize) {
-retry_exclusive:
if (iocb->ki_flags & IOCB_NOWAIT)
return -EAGAIN;
+retry_exclusive:
iolock = XFS_IOLOCK_EXCL;
flags = IOMAP_DIO_FORCE_WAIT;
}
--
2.27.0
