Commit cb711b91 authored by John Garry's avatar John Garry Committed by Jens Axboe
Browse files

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



These functions are not referenced, so delete them.

Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 6952a7f8

block/blk-mq-tag.c

+0 −8
Original line number Diff line number Diff line
@@ -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

block/blk-mq-tag.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

block/blk-mq.c

+0 −6
Original line number Diff line number Diff line
@@ -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.

include/linux/blk-mq.h

+0 −1
Original line number Diff line number Diff line
@@ -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);