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blk-mq: Delete busy_iter_fn 

Typedefs busy_iter_fn and busy_tag_iter_fn are now identical, so delete
busy_iter_fn to reduce duplication.

It would be nicer to delete busy_tag_iter_fn, as the name busy_iter_fn is
less specific.

However busy_tag_iter_fn is used in many different parts of the tree,
unlike busy_iter_fn which is just use in block/, so just take the
straightforward path now, so that we could rename later treewide.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Tested-by: Kashyap Desai <kashyap.desai@broadcom.com>
Link: https://lore.kernel.org/r/1638794990-137490-3-git-send-email-john.garry@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
John Garry 2021-12-06 20:49:49 +08:00 committed by Jens Axboe
parent 8ab30a3319
commit fc39f8d2d1
3 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
block/blk-mq-tag.c
View File

@ -215,7 +215,7 @@ void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags)
struct bt_iter_data {
struct blk_mq_hw_ctx *hctx;
busy_iter_fn *fn;
busy_tag_iter_fn *fn;
void *data;
bool reserved;
};
@ -274,7 +274,7 @@ static bool bt_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
* bitmap_tags member of struct blk_mq_tags.
*/
static void bt_for_each(struct blk_mq_hw_ctx *hctx, struct sbitmap_queue *bt,
busy_iter_fn *fn, void *data, bool reserved)
busy_tag_iter_fn *fn, void *data, bool reserved)
{
struct bt_iter_data iter_data = {
.hctx = hctx,
@ -457,7 +457,7 @@ EXPORT_SYMBOL(blk_mq_tagset_wait_completed_request);
* called for all requests on all queues that share that tag set and not only
* for requests associated with @q.
*/
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_tag_iter_fn *fn,
void *priv)
{
struct blk_mq_hw_ctx *hctx;

2
block/blk-mq-tag.h
View File

@ -28,7 +28,7 @@ extern void blk_mq_tag_resize_shared_tags(struct blk_mq_tag_set *set,
extern void blk_mq_tag_update_sched_shared_tags(struct request_queue *q);
extern void blk_mq_tag_wakeup_all(struct blk_mq_tags *tags, bool);
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_iter_fn *fn,
void blk_mq_queue_tag_busy_iter(struct request_queue *q, busy_tag_iter_fn *fn,
void *priv);
void blk_mq_all_tag_iter(struct blk_mq_tags *tags, busy_tag_iter_fn *fn,
void *priv);

1
include/linux/blk-mq.h
View File

@ -470,7 +470,6 @@ struct blk_mq_queue_data {
bool last;
};
typedef bool (busy_iter_fn)(struct request *, void *, bool);
typedef bool (busy_tag_iter_fn)(struct request *, void *, bool);
/**