block: have drivers use blk_queue_max_discard_sectors()
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>
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 3b2fcb4..160e44e 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -647,7 +647,7 @@
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 @@
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);
}