We now only have one caller left and can open code it there in a cleaner
way.
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
block/blk-mq.c | 48 ++++++++++++++++--------------------------------
1 file changed, 16 insertions(+), 32 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 7489d19..9d27077 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -264,46 +264,30 @@ __blk_mq_alloc_request(struct request_queue *q, struct
blk_mq_hw_ctx *hctx,
return NULL;
}
-static struct request *blk_mq_alloc_request_pinned(struct request_queue *q,
- int rw, gfp_t gfp,
- bool reserved)
-{
- bool gfp_mask = gfp & ~__GFP_WAIT;
- struct request *rq;
-
- do {
- struct blk_mq_ctx *ctx = blk_mq_get_ctx(q);
- struct blk_mq_hw_ctx *hctx = q->mq_ops->map_queue(q, ctx->cpu);
-
- rq = __blk_mq_alloc_request(q, hctx, ctx, rw, gfp_mask,
- reserved);
- if (rq)
- break;
-
- if (!(gfp & __GFP_WAIT)) {
- blk_mq_put_ctx(ctx);
- break;
- }
-
- __blk_mq_run_hw_queue(hctx);
- blk_mq_put_ctx(ctx);
- gfp_mask = gfp;
- } while (1);
-
- return rq;
-}
-
struct request *blk_mq_alloc_request(struct request_queue *q, int rw, gfp_t
gfp,
bool reserved)
{
+ struct blk_mq_ctx *ctx;
+ struct blk_mq_hw_ctx *hctx;
struct request *rq;
if (blk_mq_queue_enter(q))
return NULL;
- rq = blk_mq_alloc_request_pinned(q, rw, gfp, reserved);
- if (rq)
- blk_mq_put_ctx(rq->mq_ctx);
+ ctx = blk_mq_get_ctx(q);
+ hctx = q->mq_ops->map_queue(q, ctx->cpu);
+
+ rq = __blk_mq_alloc_request(q, hctx, ctx, rw, gfp & ~__GFP_WAIT,
+ reserved);
+ if (!rq && (gfp & __GFP_WAIT)) {
+ __blk_mq_run_hw_queue(hctx);
+ blk_mq_put_ctx(ctx);
+
+ ctx = blk_mq_get_ctx(q);
+ hctx = q->mq_ops->map_queue(q, ctx->cpu);
+ rq = __blk_mq_alloc_request(q, hctx, ctx, rw, gfp, reserved);
+ }
+ blk_mq_put_ctx(ctx);
return rq;
}
EXPORT_SYMBOL(blk_mq_alloc_request);
--
1.7.10.4
--
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