diff options
Diffstat (limited to 'block/blk-flush.c')
| -rw-r--r-- | block/blk-flush.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/block/blk-flush.c b/block/blk-flush.c index 55028a707927..c72ab32fd8eb 100644 --- a/block/blk-flush.c +++ b/block/blk-flush.c @@ -472,7 +472,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask, } EXPORT_SYMBOL(blkdev_issue_flush); -int blk_mq_init_flush(struct request_queue *q) +static int blk_mq_init_flush(struct request_queue *q) { struct blk_mq_tag_set *set = q->tag_set; @@ -485,3 +485,20 @@ int blk_mq_init_flush(struct request_queue *q) return -ENOMEM; return 0; } + +int blk_init_flush(struct request_queue *q) +{ + if (q->mq_ops) + return blk_mq_init_flush(q); + + q->flush_rq = kzalloc(sizeof(struct request), GFP_KERNEL); + if (!q->flush_rq) + return -ENOMEM; + + return 0; +} + +void blk_exit_flush(struct request_queue *q) +{ + kfree(q->flush_rq); +} |