linux-kernel - [PATCH 2/5] block: use bdev_get

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Message-Id: <a352936ce5d9ac719645b1e29b173d931ebcdc02.1634219547.git.asml.silence@gmail.com>
Date:   Thu, 14 Oct 2021 15:03:27 +0100
From:   Pavel Begunkov <asml.silence@...il.com>
To:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Christoph Hellwig <hch@...radead.org>, asml.silence@...il.com
Subject: [PATCH 2/5] block: use bdev_get_queue() in bdev.c

Convert bdev->bd_disk->queue to bdev_get_queue(), it's uses a cached
queue pointer and so is fater.

Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
---
 block/bdev.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/block/bdev.c b/block/bdev.c
index 30ae5b5d5f91..384e5bf991d8 100644
--- a/block/bdev.c
+++ b/block/bdev.c
@@ -327,12 +327,12 @@ int bdev_read_page(struct block_device *bdev, sector_t sector,
 	if (!ops->rw_page || bdev_get_integrity(bdev))
 		return result;
 
-	result = blk_queue_enter(bdev->bd_disk->queue, 0);
+	result = blk_queue_enter(bdev_get_queue(bdev), 0);
 	if (result)
 		return result;
 	result = ops->rw_page(bdev, sector + get_start_sect(bdev), page,
 			      REQ_OP_READ);
-	blk_queue_exit(bdev->bd_disk->queue);
+	blk_queue_exit(bdev_get_queue(bdev));
 	return result;
 }
 
@@ -363,7 +363,7 @@ int bdev_write_page(struct block_device *bdev, sector_t sector,
 
 	if (!ops->rw_page || bdev_get_integrity(bdev))
 		return -EOPNOTSUPP;
-	result = blk_queue_enter(bdev->bd_disk->queue, 0);
+	result = blk_queue_enter(bdev_get_queue(bdev), 0);
 	if (result)
 		return result;
 
@@ -376,7 +376,7 @@ int bdev_write_page(struct block_device *bdev, sector_t sector,
 		clean_page_buffers(page);
 		unlock_page(page);
 	}
-	blk_queue_exit(bdev->bd_disk->queue);
+	blk_queue_exit(bdev_get_queue(bdev));
 	return result;
 }
 
-- 
2.33.0