diff options
Diffstat (limited to 'drivers/md/dm-cache-target.c')
| -rw-r--r-- | drivers/md/dm-cache-target.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 780a61bc6cc0..28c5de8eca4a 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -3329,13 +3329,6 @@ static int cache_iterate_devices(struct dm_target *ti, return r; } -static bool origin_dev_supports_discard(struct block_device *origin_bdev) -{ - struct request_queue *q = bdev_get_queue(origin_bdev); - - return blk_queue_discard(q); -} - /* * If discard_passdown was enabled verify that the origin device * supports discards. Disable discard_passdown if not. @@ -3349,7 +3342,7 @@ static void disable_passdown_if_not_supported(struct cache *cache) if (!cache->features.discard_passdown) return; - if (!origin_dev_supports_discard(origin_bdev)) + if (!bdev_max_discard_sectors(origin_bdev)) reason = "discard unsupported"; else if (origin_limits->max_discard_sectors < cache->sectors_per_block) |