Commit 8d3fd059 authored by John Garry's avatar John Garry Committed by Jens Axboe
Browse files

loop: Use bdev limit helpers for configuring discard 



Instead of directly looking at the request_queue limits, use the bdev
limits helpers, which is preferable.

Signed-off-by: default avatarJohn Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20241030111900.3981223-1-john.g.garry@oracle.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2f5a65ef

drivers/block/loop.c

+4 −4
Original line number Diff line number Diff line
@@ -786,11 +786,11 @@ static void loop_config_discard(struct loop_device *lo, 
	 * file-backed loop devices: discarded regions read back as zero.

	 */

	if (S_ISBLK(inode->i_mode)) {

		struct request_queue *backingq = bdev_get_queue(I_BDEV(inode));

		struct block_device *bdev = I_BDEV(inode);



		max_discard_sectors = backingq->limits.max_write_zeroes_sectors;

		granularity = bdev_discard_granularity(I_BDEV(inode)) ?:

			queue_physical_block_size(backingq);

		max_discard_sectors = bdev_write_zeroes_sectors(bdev);

		granularity = bdev_discard_granularity(bdev) ?:

			bdev_physical_block_size(bdev);



	/*

	 * We use punch hole to reclaim the free space used by the