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| author | YueHaibing <yuehaibing@huawei.com> | 2018-09-14 01:35:11 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-09-13 19:59:24 -0600 |
| commit | f8c0d7b16fd9b97036306c6af4094d51e9f72278 (patch) | |
| tree | 73812cbf3a852b2d097a6534a69faef918cb5839 /block | |
| parent | 798ef9e70110d0245797526c930beec7fded7b15 (diff) | |
| download | linux-f8c0d7b16fd9b97036306c6af4094d51e9f72278.tar.bz2 | |
blk-iolatency: remove set but not used variables 'changed' and 'blkiolat'
Fixes gcc '-Wunused-but-set-variable' warning:
block/blk-iolatency.c: In function 'scale_change':
block/blk-iolatency.c:301:7: warning:
variable 'changed' set but not used [-Wunused-but-set-variable]
block/blk-iolatency.c: In function 'iolatency_set_limit':
block/blk-iolatency.c:765:24: warning:
variable 'blkiolat' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-iolatency.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index 19923f8a029d..a6f21527e6c7 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -298,7 +298,6 @@ static void scale_change(struct iolatency_grp *iolat, bool up) unsigned long qd = blk_queue_depth(iolat->blkiolat->rqos.q); unsigned long scale = scale_amount(qd, up); unsigned long old = iolat->rq_depth.max_depth; - bool changed = false; if (old > qd) old = qd; @@ -308,7 +307,6 @@ static void scale_change(struct iolatency_grp *iolat, bool up) return; if (old < qd) { - changed = true; old += scale; old = min(old, qd); iolat->rq_depth.max_depth = old; @@ -316,7 +314,6 @@ static void scale_change(struct iolatency_grp *iolat, bool up) } } else if (old > 1) { old >>= 1; - changed = true; iolat->rq_depth.max_depth = max(old, 1UL); } } @@ -761,7 +758,6 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf, { struct blkcg *blkcg = css_to_blkcg(of_css(of)); struct blkcg_gq *blkg; - struct blk_iolatency *blkiolat; struct blkg_conf_ctx ctx; struct iolatency_grp *iolat; char *p, *tok; @@ -774,7 +770,6 @@ static ssize_t iolatency_set_limit(struct kernfs_open_file *of, char *buf, return ret; iolat = blkg_to_lat(ctx.blkg); - blkiolat = iolat->blkiolat; p = ctx.body; ret = -EINVAL; |