redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

blk-mq: Delete blk_mq_has_free_tags() and blk_mq_can_queue() 

These functions are not referenced, so delete them.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
alistair/sunxi64-5.5-dsi
John Garry 2019-11-14 01:27:21 +08:00 committed by Jens Axboe
parent 6952a7f844
commit cb711b91a3
4 changed files with 0 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
block/blk-mq-tag.c
View File

@ -15,14 +15,6 @@
#include "blk-mq.h"
#include "blk-mq-tag.h"
bool blk_mq_has_free_tags(struct blk_mq_tags *tags)
{
if (!tags)
return true;
return sbitmap_any_bit_clear(&tags->bitmap_tags.sb);
}
/*
* If a previously inactive queue goes active, bump the active user count.
* We need to do this before try to allocate driver tag, then even if fail

1
block/blk-mq-tag.h
View File

@ -28,7 +28,6 @@ extern void blk_mq_free_tags(struct blk_mq_tags *tags);
extern unsigned int blk_mq_get_tag(struct blk_mq_alloc_data *data);
extern void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, struct blk_mq_tags *tags,
struct blk_mq_ctx *ctx, unsigned int tag);
extern bool blk_mq_has_free_tags(struct blk_mq_tags *tags);
extern int blk_mq_tag_update_depth(struct blk_mq_hw_ctx *hctx,
struct blk_mq_tags **tags,
unsigned int depth, bool can_grow);

6
block/blk-mq.c
View File

@ -260,12 +260,6 @@ void blk_mq_wake_waiters(struct request_queue *q)
blk_mq_tag_wakeup_all(hctx->tags, true);
}
bool blk_mq_can_queue(struct blk_mq_hw_ctx *hctx)
{
return blk_mq_has_free_tags(hctx->tags);
}
EXPORT_SYMBOL(blk_mq_can_queue);
/*
* Only need start/end time stamping if we have iostat or
* blk stats enabled, or using an IO scheduler.

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

@ -424,7 +424,6 @@ void blk_mq_free_tag_set(struct blk_mq_tag_set *set);
void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule);
void blk_mq_free_request(struct request *rq);
bool blk_mq_can_queue(struct blk_mq_hw_ctx *);
bool blk_mq_queue_inflight(struct request_queue *q);