From: chenqiwu <chenqiwu@xxxxxxxxxx> Remove trivial nowait check for ext4_buffered_write_iter(), since buffered writes will return -EINVAL if IOCB_NOWAIT passed in the follow-up function ext4_write_checks()-> ext4_generic_write_checks()->generic_write_checks(). Signed-off-by: chenqiwu <chenqiwu@xxxxxxxxxx> --- fs/ext4/file.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 5f22588..18ae435 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -258,9 +258,6 @@ static ssize_t ext4_buffered_write_iter(struct kiocb *iocb, ssize_t ret; struct inode *inode = file_inode(iocb->ki_filp); - if (iocb->ki_flags & IOCB_NOWAIT) - return -EOPNOTSUPP; - inode_lock(inode); ret = ext4_write_checks(iocb, from); if (ret <= 0) -- 1.9.1