diff options
| -rw-r--r-- | drivers/md/dm-table.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 6f1ec12c287c..3acf8f56eb64 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1801,9 +1801,15 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, */ q->limits = *limits; - if (!dm_table_supports_discards(t)) + if (!dm_table_supports_discards(t)) { queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, q); - else + /* Must also clear discard limits... */ + q->limits.max_discard_sectors = 0; + q->limits.max_hw_discard_sectors = 0; + q->limits.discard_granularity = 0; + q->limits.discard_alignment = 0; + q->limits.discard_misaligned = 0; + } else queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); if (dm_table_supports_flush(t, (1UL << QUEUE_FLAG_WC))) { |