diff options
-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, | |||
135 | return sum; | 135 | return sum; |
136 | } | 136 | } |
137 | 137 | ||
138 | extern void bdi_writeout_inc(struct backing_dev_info *bdi); | ||
139 | |||
138 | /* | 140 | /* |
139 | * maximal error of a stat counter. | 141 | * maximal error of a stat counter. |
140 | */ | 142 | */ |
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) | |||
168 | bdi->max_prop_frac); | 168 | bdi->max_prop_frac); |
169 | } | 169 | } |
170 | 170 | ||
171 | void bdi_writeout_inc(struct backing_dev_info *bdi) | ||
172 | { | ||
173 | unsigned long flags; | ||
174 | |||
175 | local_irq_save(flags); | ||
176 | __bdi_writeout_inc(bdi); | ||
177 | local_irq_restore(flags); | ||
178 | } | ||
179 | EXPORT_SYMBOL_GPL(bdi_writeout_inc); | ||
180 | |||
171 | static inline void task_dirty_inc(struct task_struct *tsk) | 181 | static inline void task_dirty_inc(struct task_struct *tsk) |
172 | { | 182 | { |
173 | prop_inc_single(&vm_dirties, &tsk->dirties); | 183 | prop_inc_single(&vm_dirties, &tsk->dirties); |