From: Christoph Hellwig <hch@lst.de>
Date: Mon, 12 Apr 2021 08:03:18 +0000 (+0200)
Subject: block: remove the -ERESTARTSYS handling in blkdev_get_by_dev
X-Git-Tag: v5.15~1258^2~39
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a8ed1a0607cfa5478ff6009539f44790c4d0956d;p=platform%2Fkernel%2Flinux-starfive.git

block: remove the -ERESTARTSYS handling in blkdev_get_by_dev

Now that md has been cleaned up we can get rid of this hack.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 535d29f..0c09b65 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1430,10 +1430,6 @@ struct block_device *blkdev_get_by_dev(dev_t dev, fmode_t mode, void *holder)
 	if (ret)
 		return ERR_PTR(ret);
 
-	/*
-	 * If we lost a race with 'disk' being deleted, try again.  See md.c.
-	 */
-retry:
 	bdev = blkdev_get_no_open(dev);
 	if (!bdev)
 		return ERR_PTR(-ENXIO);
@@ -1480,8 +1476,6 @@ abort_claiming:
 	disk_unblock_events(disk);
 put_blkdev:
 	blkdev_put_no_open(bdev);
-	if (ret == -ERESTARTSYS)
-		goto retry;
 	return ERR_PTR(ret);
 }
 EXPORT_SYMBOL(blkdev_get_by_dev);