Commit 7a86d6dc authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

zram: cleanup zram_remove 



Remove the bdev variable and just use the gendisk pointed to by the
zram_device directly.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220330052917.2566582-4-hch@lst.de


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent d666e20e

drivers/block/zram/zram_drv.c

+5 −6
Original line number Diff line number Diff line
@@ -1986,19 +1986,18 @@ static int zram_add(void) 


static int zram_remove(struct zram *zram)

{

	struct block_device *bdev = zram->disk->part0;

	bool claimed;



	mutex_lock(&bdev->bd_disk->open_mutex);

	if (bdev->bd_openers) {

		mutex_unlock(&bdev->bd_disk->open_mutex);

	mutex_lock(&zram->disk->open_mutex);

	if (zram->disk->part0->bd_openers) {

		mutex_unlock(&zram->disk->open_mutex);

		return -EBUSY;

	}



	claimed = zram->claim;

	if (!claimed)

		zram->claim = true;

	mutex_unlock(&bdev->bd_disk->open_mutex);

	mutex_unlock(&zram->disk->open_mutex);



	zram_debugfs_unregister(zram);
@@ -2010,7 +2009,7 @@ static int zram_remove(struct zram *zram) 
		;

	} else {

		/* Make sure all the pending I/O are finished */

		sync_blockdev(bdev);

		sync_blockdev(zram->disk->part0);

		zram_reset_device(zram);

	}