diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-07-22 09:54:00 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-08-02 13:37:28 -0600 |
| commit | 4b2731226d7de4302e4d8766c86e3a21c56dc3b1 (patch) | |
| tree | 5821bdb9b3ebf9007cc43f7ce6790499c06de302 /drivers | |
| parent | 9d3b8813895d737fcef4ec8df518f67e5cc381b8 (diff) | |
loop: don't grab a reference to the block device
The whole device block device won't be removed while the disk is still
alive, so don't bother to grab a reference to it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Ming Lei <ming.lei@rehat.com>
Reviewed-by: Chaitanya Kulkarni <ckulkarnilinux@gmail.com>
Link: https://lore.kernel.org/r/20210722075402.983367-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/block/loop.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index f0cdff0c5fbf..a03ef5025f27 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1304,10 +1304,6 @@ static int loop_configure(struct loop_device *lo, fmode_t mode, if (partscan) lo->lo_disk->flags &= ~GENHD_FL_NO_PART_SCAN; - /* Grab the block_device to prevent its destruction after we - * put /dev/loopXX inode. Later in __loop_clr_fd() we bdput(bdev). - */ - bdgrab(bdev); loop_global_unlock(lo, is_loop); if (partscan) loop_reread_partitions(lo); @@ -1398,7 +1394,6 @@ static int __loop_clr_fd(struct loop_device *lo, bool release) blk_queue_physical_block_size(lo->lo_queue, 512); blk_queue_io_min(lo->lo_queue, 512); if (bdev) { - bdput(bdev); invalidate_bdev(bdev); bdev->bd_inode->i_mapping->wb_err = 0; } |