linux-kernel - [PATCH] ext4: remove unnecessary error check

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Date:   Wed,  3 Jul 2019 16:16:54 +0800
From:   Shi Siyuan <shisiyuan19870131@...il.com>
To:     tytso@....edu, adilger.kernel@...ger.ca
Cc:     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        shisiyuan <shisiyuan@...omi.com>
Subject: [PATCH] ext4: remove unnecessary error check

From: shisiyuan <shisiyuan@...omi.com>

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@...omi.com>
---
 fs/ext4/file.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 5cb9aa3..9e4c39e 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -224,8 +224,6 @@ 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)
-- 
2.7.4