diff mbox series

[RFC,v2,4/8] dm: add BLK_FEAT_WRITE_ZEROES_UNMAP support

Message ID 20250115114637.2705887-5-yi.zhang@huaweicloud.com (mailing list archive)
State New
Headers show
Series [RFC,v2,1/8] block: introduce BLK_FEAT_WRITE_ZEROES_UNMAP to queue limits features | expand

Commit Message

Zhang Yi Jan. 15, 2025, 11:46 a.m. UTC 
From: Zhang Yi <yi.zhang@huawei.com>

Set the BLK_FEAT_WRITE_ZEROES_UNMAP feature on stacking queue limits by
default. This feature shall be disabled if any underlying device does
not support it.

Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
---
 drivers/md/dm-table.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index bd8b796ae683..58cce31bcc1e 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -598,7 +598,8 @@  int dm_split_args(int *argc, char ***argvp, char *input)
 static void dm_set_stacking_limits(struct queue_limits *limits)
 {
 	blk_set_stacking_limits(limits);
-	limits->features |= BLK_FEAT_IO_STAT | BLK_FEAT_NOWAIT | BLK_FEAT_POLL;
+	limits->features |= BLK_FEAT_IO_STAT | BLK_FEAT_NOWAIT | BLK_FEAT_POLL |
+			    BLK_FEAT_WRITE_ZEROES_UNMAP;
 }
 
 /*