The patch titled
Subject: writeback: remove unused function parameter
has been added to the -mm tree. Its filename is
writeback-remove-the-unused-function-parameter.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/writeback-remove-the-unused-function-parameter.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/writeback-remove-the-unused-function-parameter.patch
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------------------------------------------------------
From: Wang Long <wanglong19@xxxxxxxxxxx>
Subject: 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@xxxxxxxxxxx
Signed-off-by: Wang Long <wanglong19@xxxxxxxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/backing-dev.h | 2 +-
mm/page-writeback.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff -puN include/linux/backing-dev.h~writeback-remove-the-unused-function-parameter include/linux/backing-dev.h
--- a/include/linux/backing-dev.h~writeback-remove-the-unused-function-parameter
+++ a/include/linux/backing-dev.h
@@ -95,7 +95,7 @@ extern void wb_writeout_inc(struct bdi_w
/*
* 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 -puN mm/page-writeback.c~writeback-remove-the-unused-function-parameter mm/page-writeback.c
--- a/mm/page-writeback.c~writeback-remove-the-unused-function-parameter
+++ a/mm/page-writeback.c
@@ -1545,7 +1545,7 @@ static inline void wb_dirty_limits(struc
* 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))
_
Patches currently in -mm which might be from wanglong19@xxxxxxxxxxx are
writeback-remove-the-unused-function-parameter.patch
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