2022-07-06 12:15:16

by John Garry

[permalink] [raw]
Subject: [PATCH v3 6/6] blk-mq: Drop local variable for reserved tag

The local variable is now only referenced once so drop it.

Signed-off-by: John Garry <[email protected]>
Reviewed-by: Bart Van Assche <[email protected]>
Reviewed-by: Martin K. Petersen <[email protected]>
---
block/blk-mq-tag.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index 4e9b8ec55bda..8e3b36d1cb57 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -262,7 +262,6 @@ static bool bt_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
struct blk_mq_hw_ctx *hctx = iter_data->hctx;
struct request_queue *q = iter_data->q;
struct blk_mq_tag_set *set = q->tag_set;
- bool reserved = iter_data->reserved;
struct blk_mq_tags *tags;
struct request *rq;
bool ret = true;
@@ -272,7 +271,7 @@ static bool bt_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
else
tags = hctx->tags;

- if (!reserved)
+ if (!iter_data->reserved)
bitnr += tags->nr_reserved_tags;
/*
* We can hit rq == NULL here, because the tagging functions
@@ -333,12 +332,11 @@ static bool bt_tags_iter(struct sbitmap *bitmap, unsigned int bitnr, void *data)
{
struct bt_tags_iter_data *iter_data = data;
struct blk_mq_tags *tags = iter_data->tags;
- bool reserved = iter_data->flags & BT_TAG_ITER_RESERVED;
struct request *rq;
bool ret = true;
bool iter_static_rqs = !!(iter_data->flags & BT_TAG_ITER_STATIC_RQS);

- if (!reserved)
+ if (!(iter_data->flags & BT_TAG_ITER_RESERVED))
bitnr += tags->nr_reserved_tags;

/*
--
2.35.3


2022-07-06 14:01:02

by Hannes Reinecke

[permalink] [raw]
Subject: Re: [PATCH v3 6/6] blk-mq: Drop local variable for reserved tag

On 7/6/22 14:03, John Garry wrote:
> The local variable is now only referenced once so drop it.
>
> Signed-off-by: John Garry <[email protected]>
> Reviewed-by: Bart Van Assche <[email protected]>
> Reviewed-by: Martin K. Petersen <[email protected]>
> ---
> block/blk-mq-tag.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
Reviewed-by: Hannes Reinecke <[email protected]>

Cheers,

Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
[email protected] +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer