From: Shi Siyuan <shisiyuan@xiaomi.com>
Date: Sun, 11 Aug 2019 20:28:41 +0000 (-0400)
Subject: ext4: remove unnecessary error check
X-Git-Tag: v5.4-rc1~84^2~18
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=991f52306ab8b5d8427f6f953162b5ab92e88e51;p=linux.git

ext4: remove unnecessary error check

Remove unnecessary error check in ext4_file_write_iter(),
because this check will be done in upcoming later function --
ext4_write_checks() -> generic_write_checks()

Change-Id: I7b0ab27f693a50765c15b5eaa3f4e7c38f42e01e
Signed-off-by: shisiyuan <shisiyuan@xiaomi.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 70b0438dbc94..bc378a7ac950 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -230,8 +230,6 @@ ext4_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
 	if (IS_DAX(inode))
 		return ext4_dax_write_iter(iocb, from);
 #endif
-	if (!o_direct && (iocb->ki_flags & IOCB_NOWAIT))
-		return -EOPNOTSUPP;
 
 	if (!inode_trylock(inode)) {
 		if (iocb->ki_flags & IOCB_NOWAIT)