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block: remove blk_init_flush() and its pair

Browse source 
Now mission of the two helpers is over, and just call
blk_alloc_flush_queue() and blk_free_flush_queue() directly.

Signed-off-by: Ming Lei <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Ming Lei 2014-09-25 23:23:44 +08:00 • committed by Jens Axboe
commit ba483388e3
5 changed files with 10 additions and 23 deletions
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19
block/blk-flush.c
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@ -479,8 +479,7 @@ int blkdev_issue_flush(struct block_device *bdev, gfp_t gfp_mask,
}
EXPORT_SYMBOL(blkdev_issue_flush);
static struct blk_flush_queue *blk_alloc_flush_queue(
struct request_queue *q)
struct blk_flush_queue *blk_alloc_flush_queue(struct request_queue *q)
{
struct blk_flush_queue *fq;
int rq_sz = sizeof(struct request);
@ -511,7 +510,7 @@ static struct blk_flush_queue *blk_alloc_flush_queue(
return NULL;
}
static void blk_free_flush_queue(struct blk_flush_queue *fq)
void blk_free_flush_queue(struct blk_flush_queue *fq)
{
/* bio based request queue hasn't flush queue */
if (!fq)
@ -520,17 +519,3 @@ static void blk_free_flush_queue(struct blk_flush_queue *fq)
kfree(fq->flush_rq);
kfree(fq);
}
int blk_init_flush(struct request_queue *q)
{
q->fq = blk_alloc_flush_queue(q);
if (!q->fq)
return -ENOMEM;
return 0;
}
void blk_exit_flush(struct request_queue *q)
{
blk_free_flush_queue(q->fq);
}