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| author | Miklos Szeredi <mszeredi@suse.cz> | 2008-04-30 11:54:37 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 19:29:50 +0400 |
| commit | dd5656e59ca7b25fb60a22f9079905ed0da5ed0c (patch) | |
| tree | 47c156e6023e93f3028c63a2594bbb3e27e968a4 | |
| parent | e4ad08fe64afca4ef79ecc4c624e6e871688da0d (diff) | |
| download | linux-dd5656e59ca7b25fb60a22f9079905ed0da5ed0c.tar.xz | |
mm: bdi: export bdi_writeout_inc()
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>
| -rw-r--r-- | include/linux/backing-dev.h | 2 | ||||
| -rw-r--r-- | mm/page-writeback.c | 10 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 13ab79d99268..0a24d5550eb3 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -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. */ diff --git a/mm/page-writeback.c b/mm/page-writeback.c index bbcb916190c9..c90a1e8e479f 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -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); |