diff mbox series

[02/11] nbd: don't set the discard_alignment queue limit

Message ID 20220418045314.360785-3-hch@lst.de
State Not Applicable
Headers show
Series [01/11] ubd: don't set the discard_alignment queue limit | expand

Commit Message

Christoph Hellwig April 18, 2022, 4:53 a.m. UTC 
The discard_alignment queue limit is named a bit misleading means the
offset into the block device at which the discard granularity starts.
Setting it to the discard granularity as done by nbd is mostly harmless
but also useless.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/nbd.c | 3 ---
 1 file changed, 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 4729aef8c6462..102597a4277b9 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -333,7 +333,6 @@  static int nbd_set_size(struct nbd_device *nbd, loff_t bytesize,
 
 	if (nbd->config->flags & NBD_FLAG_SEND_TRIM) {
 		nbd->disk->queue->limits.discard_granularity = blksize;
-		nbd->disk->queue->limits.discard_alignment = blksize;
 		blk_queue_max_discard_sectors(nbd->disk->queue, UINT_MAX);
 	}
 	blk_queue_logical_block_size(nbd->disk->queue, blksize);
@@ -1316,7 +1315,6 @@  static void nbd_config_put(struct nbd_device *nbd)
 
 		nbd->tag_set.timeout = 0;
 		nbd->disk->queue->limits.discard_granularity = 0;
-		nbd->disk->queue->limits.discard_alignment = 0;
 		blk_queue_max_discard_sectors(nbd->disk->queue, 0);
 
 		mutex_unlock(&nbd->config_lock);
@@ -1781,7 +1779,6 @@  static struct nbd_device *nbd_dev_add(int index, unsigned int refs)
 	blk_queue_flag_set(QUEUE_FLAG_NONROT, disk->queue);
 	blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, disk->queue);
 	disk->queue->limits.discard_granularity = 0;
-	disk->queue->limits.discard_alignment = 0;
 	blk_queue_max_discard_sectors(disk->queue, 0);
 	blk_queue_max_segment_size(disk->queue, UINT_MAX);
 	blk_queue_max_segments(disk->queue, USHRT_MAX);