diff options
Diffstat (limited to 'drivers/md/dm-table.c')
-rw-r--r-- | drivers/md/dm-table.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c index 6a7f2b83a12..50601ec7017 100644 --- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -945,7 +945,7 @@ bool dm_table_request_based(struct dm_table *t) return dm_table_get_type(t) == DM_TYPE_REQUEST_BASED; } -int dm_table_alloc_md_mempools(struct dm_table *t) +static int dm_table_alloc_md_mempools(struct dm_table *t) { unsigned type = dm_table_get_type(t); unsigned per_bio_data_size = 0; @@ -1618,6 +1618,25 @@ struct mapped_device *dm_table_get_md(struct dm_table *t) } EXPORT_SYMBOL(dm_table_get_md); +void dm_table_run_md_queue_async(struct dm_table *t) +{ + struct mapped_device *md; + struct request_queue *queue; + unsigned long flags; + + if (!dm_table_request_based(t)) + return; + + md = dm_table_get_md(t); + queue = dm_get_md_queue(md); + if (queue) { + spin_lock_irqsave(queue->queue_lock, flags); + blk_run_queue_async(queue); + spin_unlock_irqrestore(queue->queue_lock, flags); + } +} +EXPORT_SYMBOL(dm_table_run_md_queue_async); + static int device_discard_capable(struct dm_target *ti, struct dm_dev *dev, sector_t start, sector_t len, void *data) { |