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mm: bdi: export bdi_writeout_inc()

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Fuse needs this for writable mmap support.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miklos Szeredi 2008-04-30 00:54:37 -07:00 committed by Linus Torvalds
parent e4ad08fe64
commit dd5656e59c
2 changed files with 12 additions and 0 deletions
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2
include/linux/backing-dev.h
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@ -135,6 +135,8 @@ static inline s64 bdi_stat_sum(struct backing_dev_info *bdi,
return sum;
}
extern void bdi_writeout_inc(struct backing_dev_info *bdi);
/*
* maximal error of a stat counter.
*/

10
mm/page-writeback.c
View File

@ -168,6 +168,16 @@ static inline void __bdi_writeout_inc(struct backing_dev_info *bdi)
bdi->max_prop_frac);
}
void bdi_writeout_inc(struct backing_dev_info *bdi)
{
unsigned long flags;
local_irq_save(flags);
__bdi_writeout_inc(bdi);
local_irq_restore(flags);
}
EXPORT_SYMBOL_GPL(bdi_writeout_inc);
static inline void task_dirty_inc(struct task_struct *tsk)
{
prop_inc_single(&vm_dirties, &tsk->dirties);