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writeback: clean up wb_dirty_limit()

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The function name wb_dirty_limit(), its argument @dirty and the local
variable @wb_dirty are mortally confusing given that the function
calculates per-wb threshold value not dirty pages, especially given
that @dirty and @wb_dirty are used elsewhere for dirty pages.

Let's rename the function to wb_calc_thresh() and wb_dirty to
wb_thresh.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jan Kara <jack@suse.cz>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Greg Thelen <gthelen@google.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Tejun Heo
2015-05-22 18:23:19 -04:00
committed by Jens Axboe
parent 733a572e66
commit 0d960a383a
4 changed files with 20 additions and 20 deletions
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2
include/linux/writeback.h
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@@ -155,7 +155,7 @@ int dirty_writeback_centisecs_handler(struct ctl_table *, int,
void __user *, size_t *, loff_t *);
void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty);
unsigned long wb_dirty_limit(struct bdi_writeback *wb, unsigned long dirty);
unsigned long wb_calc_thresh(struct bdi_writeback *wb, unsigned long thresh);
void __wb_update_bandwidth(struct bdi_writeback *wb,
unsigned long thresh,