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| author | Wang Long <wanglong19@meituan.com> | 2017-11-15 17:39:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-11-15 18:21:07 -0800 |
| commit | 2bce774e8245e95db81872ec39522cde8b486fc8 (patch) | |
| tree | 3eb19f827efed71affb9f51ffc537b72f4e4a4cc | |
| parent | 0a7f682d04652fd91de0cbc1ea3d7aa1e45611c7 (diff) | |
| download | linux-2bce774e8245e95db81872ec39522cde8b486fc8.tar.bz2 | |
writeback: remove unused function parameter
The parameter `struct bdi_writeback *wb` is not been used in the
function body. Remove it.
Link: http://lkml.kernel.org/r/1509685485-15278-1-git-send-email-wanglong19@meituan.com
Signed-off-by: Wang Long <wanglong19@meituan.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/backing-dev.h | 2 | ||||
| -rw-r--r-- | mm/page-writeback.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 7360e79e9a2f..e54e7e0033eb 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -93,7 +93,7 @@ extern void wb_writeout_inc(struct bdi_writeback *wb); /* * maximal error of a stat counter. */ -static inline unsigned long wb_stat_error(struct bdi_writeback *wb) +static inline unsigned long wb_stat_error(void) { #ifdef CONFIG_SMP return nr_cpu_ids * WB_STAT_BATCH; diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 05313f402ba8..8a1551154285 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -1545,7 +1545,7 @@ static inline void wb_dirty_limits(struct dirty_throttle_control *dtc) * actually dirty; with m+n sitting in the percpu * deltas. */ - if (dtc->wb_thresh < 2 * wb_stat_error(wb)) { + if (dtc->wb_thresh < 2 * wb_stat_error()) { wb_reclaimable = wb_stat_sum(wb, WB_RECLAIMABLE); dtc->wb_dirty = wb_reclaimable + wb_stat_sum(wb, WB_WRITEBACK); } else { @@ -1803,7 +1803,7 @@ pause: * more page. However wb_dirty has accounting errors. So use * the larger and more IO friendly wb_stat_error. */ - if (sdtc->wb_dirty <= wb_stat_error(wb)) + if (sdtc->wb_dirty <= wb_stat_error()) break; if (fatal_signal_pending(current)) |