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blk-mq: cleanup tag free handling 

We only call __blk_mq_put_tag() and __blk_mq_put_reserved_tag()
from blk_mq_put_tag(), so just inline the two calls instead of
having them as separate functions.

Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Jens Axboe 2014-11-24 15:52:30 -07:00
parent a33c1ba291
commit 70114c393c
1 changed files with 6 additions and 18 deletions
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24
block/blk-mq-tag.c
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@ -360,21 +360,6 @@ static void bt_clear_tag(struct blk_mq_bitmap_tags *bt, unsigned int tag)
} }
} }
static void __blk_mq_put_tag(struct blk_mq_tags *tags, unsigned int tag)
{
BUG_ON(tag >= tags->nr_tags);
bt_clear_tag(&tags->bitmap_tags, tag);
}
static void __blk_mq_put_reserved_tag(struct blk_mq_tags *tags,
unsigned int tag)
{
BUG_ON(tag >= tags->nr_reserved_tags);
bt_clear_tag(&tags->breserved_tags, tag);
}
void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, unsigned int tag, void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, unsigned int tag,
unsigned int *last_tag) unsigned int *last_tag)
{ {
@ -383,10 +368,13 @@ void blk_mq_put_tag(struct blk_mq_hw_ctx *hctx, unsigned int tag,
if (tag >= tags->nr_reserved_tags) { if (tag >= tags->nr_reserved_tags) {
const int real_tag = tag - tags->nr_reserved_tags; const int real_tag = tag - tags->nr_reserved_tags;
__blk_mq_put_tag(tags, real_tag); BUG_ON(real_tag >= tags->nr_tags);
bt_clear_tag(&tags->bitmap_tags, real_tag);
*last_tag = real_tag; *last_tag = real_tag;
} else } else {
__blk_mq_put_reserved_tag(tags, tag); BUG_ON(tag >= tags->nr_reserved_tags);
bt_clear_tag(&tags->breserved_tags, tag);
}
} }
static void bt_for_each(struct blk_mq_hw_ctx *hctx, static void bt_for_each(struct blk_mq_hw_ctx *hctx,