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loop: Use bdev limit helpers for configuring discard

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

Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20241030111900.3981223-1-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2024-10-30 11:19:00 +00:00 committed by Jens Axboe
parent 2f5a65ef30
commit 8d3fd059dd
1 changed files with 4 additions and 4 deletions
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8
drivers/block/loop.c
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@ -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