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UPSTREAM: 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.

Change-Id: Ia4eca604290e7cdb4dcd0057ab6d2b4aa1d7d973
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>
(cherry picked from commit 8d3fd059dd289e6c322e5741ad56794bcce699a2)
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
John Garry
2024-10-30 11:19:00 +00:00
committed by Bart Van Assche
parent 02cf51391e
commit f1aac3cfaf
1 changed files with 4 additions and 4 deletions
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drivers/block/loop.c
+4 -4
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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. * file-backed loop devices: discarded regions read back as zero.
*/ */
if (S_ISBLK(inode->i_mode)) { 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; max_discard_sectors = bdev_write_zeroes_sectors(bdev);
granularity = bdev_discard_granularity(I_BDEV(inode)) ?: granularity = bdev_discard_granularity(bdev) ?:
queue_physical_block_size(backingq); bdev_physical_block_size(bdev);
/* /*
* We use punch hole to reclaim the free space used by the * We use punch hole to reclaim the free space used by the