linux-ext4 - [PATCH 12/12] iomap: remove the inode_dio

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Date:   Tue, 14 Jan 2020 17:12:25 +0100
From:   Christoph Hellwig <hch@....de>
To:     linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Waiman Long <longman@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-ext4@...r.kernel.org, cluster-devel@...hat.com
Cc:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 12/12] iomap: remove the inode_dio_begin/end calls

Now that all iomap users hold i_rwsem over asynchronous I/O
operations these calls can be removed.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/iomap/direct-io.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 0113ac33b0a0..c90ec82e8e08 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -126,7 +126,6 @@ static ssize_t iomap_dio_complete(struct iomap_dio *dio, bool unlock)
 	if (ret > 0 && (dio->flags & IOMAP_DIO_NEED_SYNC))
 		ret = generic_write_sync(iocb, ret);
 
-	inode_dio_end(file_inode(iocb->ki_filp));
 	kfree(dio);
 
 	return ret;
@@ -513,8 +512,6 @@ iomap_dio_rw(struct kiocb *iocb, struct iov_iter *iter,
 			goto out_free_dio;
 	}
 
-	inode_dio_begin(inode);
-
 	blk_start_plug(&plug);
 	do {
 		ret = iomap_apply(inode, pos, count, flags, ops, dio,
-- 
2.24.1