diff options
Diffstat (limited to 'block/blk-flush.c')
| -rw-r--r-- | block/blk-flush.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index c8e25768f2e1a..55028a7079270 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -472,7 +472,16 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, } EXPORT_SYMBOL(blkdev_issue_flush); -void blk_mq_init_flush(struct request_queue *q) +int blk_mq_init_flush(struct request_queue *q) { + struct blk_mq_tag_set *set = q->tag_set; + spin_lock_init(&q->mq_flush_lock); + + q->flush_rq = kzalloc(round_up(sizeof(struct request) + + set->cmd_size, cache_line_size()), + GFP_KERNEL); + if (!q->flush_rq) + return -ENOMEM; + return 0; } |