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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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4
drivers/scsi/sd.c
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@@ -647,7 +647,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
switch (mode) {
case SD_LBP_DISABLE:
q->limits.max_discard_sectors = 0;
blk_queue_max_discard_sectors(q, 0);
queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, q);
return;
@@ -675,7 +675,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode)
break;
}
q->limits.max_discard_sectors = max_blocks * (logical_block_size >> 9);
blk_queue_max_discard_sectors(q, max_blocks * (logical_block_size >> 9));
queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q);
}