From: Joseph Qi <joseph.qi@linux.alibaba.com>
Date: Tue, 29 Oct 2019 16:51:24 +0000 (-0700)
Subject: fs/iomap: remove redundant check in iomap_dio_rw()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a901004214994f12523b47521cddfa4426f284c1;p=openwrt%2Fstaging%2Fblogic.git

fs/iomap: remove redundant check in iomap_dio_rw()

We've already check if it is READ iov_iter, no need check again.

Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 49bf9780e3ed..2f88d64c2a4d 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -433,7 +433,7 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 		if (pos >= dio->i_size)
 			goto out_free_dio;
 
-		if (iter_is_iovec(iter) && iov_iter_rw(iter) == READ)
+		if (iter_is_iovec(iter))
 			dio->flags |= IOMAP_DIO_DIRTY;
 	} else {
 		flags |= IOMAP_WRITE;