apfs/linux-apfs
0
0
Fork 0
mirror of https://github.com/linux-apfs/linux-apfs.git synced 2026-05-01 15:00:59 -07:00
Code Issues Packages Projects Releases Wiki Activity

blk-mq: remove alloc_hctx and free_hctx methods

Browse Source 
There is no need for drivers to control hardware context allocation
now that we do the context to node mapping in common code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2014-05-28 18:11:06 +02:00
committed by Jens Axboe
parent 75bb4625bb
commit cdef54dd85
4 changed files with 6 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files
block/blk-mq.c
+5 -21
View File
@@ -1335,21 +1335,6 @@ struct blk_mq_hw_ctx *blk_mq_map_queue(struct request_queue *q, const int cpu)
}
EXPORT_SYMBOL(blk_mq_map_queue);
struct blk_mq_hw_ctx *blk_mq_alloc_single_hw_queue(struct blk_mq_tag_set *set,
unsigned int hctx_index,
int node)
{
return kzalloc_node(sizeof(struct blk_mq_hw_ctx), GFP_KERNEL, node);
}
EXPORT_SYMBOL(blk_mq_alloc_single_hw_queue);
void blk_mq_free_single_hw_queue(struct blk_mq_hw_ctx *hctx,
unsigned int hctx_index)
{
kfree(hctx);
}
EXPORT_SYMBOL(blk_mq_free_single_hw_queue);
static void blk_mq_free_rq_map(struct blk_mq_tag_set *set,
struct blk_mq_tags *tags, unsigned int hctx_idx)
{
@@ -1590,7 +1575,7 @@ static void blk_mq_free_hw_queues(struct request_queue *q,
queue_for_each_hw_ctx(q, hctx, i) {
free_cpumask_var(hctx->cpumask);
set->ops->free_hctx(hctx, i);
kfree(hctx);
}
}
@@ -1811,7 +1796,8 @@ struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *set)
for (i = 0; i < set->nr_hw_queues; i++) {
int node = blk_mq_hw_queue_to_node(map, i);
hctxs[i] = set->ops->alloc_hctx(set, i, node);
hctxs[i] = kzalloc_node(sizeof(struct blk_mq_hw_ctx),
GFP_KERNEL, node);
if (!hctxs[i])
goto err_hctxs;
@@ -1898,7 +1884,7 @@ err_hctxs:
if (!hctxs[i])
break;
free_cpumask_var(hctxs[i]->cpumask);
set->ops->free_hctx(hctxs[i], i);
kfree(hctxs[i]);
}
err_map:
kfree(hctxs);
@@ -1983,9 +1969,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set)
if (set->queue_depth < set->reserved_tags + BLK_MQ_TAG_MIN)
return -EINVAL;
if (!set->nr_hw_queues ||
!set->ops->queue_rq || !set->ops->map_queue ||
!set->ops->alloc_hctx || !set->ops->free_hctx)
if (!set->nr_hw_queues || !set->ops->queue_rq || !set->ops->map_queue)
return -EINVAL;