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UPSTREAM: loop: Simplify discard granularity calc

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A bdev discard granularity is always at least SECTOR_SIZE, so don't check
for a zero value.

Suggested-by: Christoph Hellwig <hch@lst.de>
Change-Id: Ia2cc07d3e7af37bce2b0ebd2aa576f72b359eacf
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20241101092215.422428-1-john.g.garry@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
(cherry picked from commit d47de6ac8842327ae1c782670283450159c55d5b)
Signed-off-by: Bart Van Assche <bvanassche@google.com>
This commit is contained in:
John Garry
2024-11-01 09:22:15 +00:00
committed by Bart Van Assche
parent f1aac3cfaf
commit 49d8530dfe
1 changed files with 1 additions and 2 deletions
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3
drivers/block/loop.c
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@@ -789,8 +789,7 @@ static void loop_config_discard(struct loop_device *lo,
struct block_device *bdev = I_BDEV(inode);
max_discard_sectors = bdev_write_zeroes_sectors(bdev);
granularity = bdev_discard_granularity(bdev) ?:
bdev_physical_block_size(bdev);
granularity = bdev_discard_granularity(bdev);
/*
* We use punch hole to reclaim the free space used by the