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block: have drivers use blk_queue_max_discard_sectors()

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Some drivers use it now, others just set the limits field manually.
But in preparation for splitting this into a hard and soft limit,
ensure that they all call the proper function for setting the hw
limit for discards.

Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe
2015-07-14 08:15:12 -06:00
parent 6c71013ecb
commit 2bb4cd5cc4
12 changed files with 15 additions and 15 deletions
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drivers/block/brd.c
+1 -1
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@@ -500,7 +500,7 @@ static struct brd_device *brd_alloc(int i)
blk_queue_physical_block_size(brd->brd_queue, PAGE_SIZE);
brd->brd_queue->limits.discard_granularity = PAGE_SIZE;
brd->brd_queue->limits.max_discard_sectors = UINT_MAX;
blk_queue_max_discard_sectors(brd->brd_queue, UINT_MAX);
brd->brd_queue->limits.discard_zeroes_data = 1;
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, brd->brd_queue);