From: Ming Lei <tom.leiming@gmail.com>
To: Jens Axboe <axboe@kernel.dk>, linux-kernel@vger.kernel.org
Cc: Ming Lei <tom.leiming@gmail.com>
Subject: [PATCH 4/5] blk-mq: bitmap tag: cleanup blk_mq_init_tags
Date: Sun, 11 May 2014 01:01:51 +0800 [thread overview]
Message-ID: <1399741312-10453-5-git-send-email-tom.leiming@gmail.com> (raw)
In-Reply-To: <1399741312-10453-1-git-send-email-tom.leiming@gmail.com>
Both nr_cache and nr_tags arn't needed for bitmap tag anymore.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
block/blk-mq-tag.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 77d2b18..6532aea 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -394,7 +394,6 @@ enomem:
struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags,
unsigned int reserved_tags, int node)
{
- unsigned int nr_tags, nr_cache;
struct blk_mq_tags *tags;
if (total_tags > BLK_MQ_TAG_MAX) {
@@ -406,9 +405,6 @@ struct blk_mq_tags *blk_mq_init_tags(unsigned int total_tags,
if (!tags)
return NULL;
- nr_tags = total_tags - reserved_tags;
- nr_cache = nr_tags / num_online_cpus();
-
tags->nr_tags = total_tags;
tags->nr_reserved_tags = reserved_tags;
--
1.7.9.5
next prev parent reply other threads:[~2014-05-10 17:02 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-10 17:01 [PATCH 0/5] blk-mq: bitmap tag: fix and cleanup Ming Lei
2014-05-10 17:01 ` [PATCH 1/5] blk-mq: bitmap tag: use clear_bit_unlock in bt_clear_tag() Ming Lei
2014-05-10 17:01 ` [PATCH 2/5] blk-mq: bitmap tag: remove barrier " Ming Lei
2014-05-10 17:01 ` [PATCH 3/5] blk-mq: bitmap tag: select random tag betweet 0 and (depth - 1) Ming Lei
2014-05-10 17:01 ` Ming Lei [this message]
2014-05-10 17:01 ` [PATCH 5/5] blk-mq: bitmap tag: fix wait batch for allocation Ming Lei
2014-05-10 19:39 ` [PATCH 0/5] blk-mq: bitmap tag: fix and cleanup Jens Axboe
2014-05-11 1:13 ` Ming Lei
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