diff options
Diffstat (limited to 'include/linux/writeback.h')
| -rw-r--r-- | include/linux/writeback.h | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 36520ded3e06..72a5d647a5f2 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -27,10 +27,6 @@ enum writeback_sync_modes { * in a manner such that unspecified fields are set to zero. */ struct writeback_control { - struct backing_dev_info *bdi; /* If !NULL, only write back this - queue */ - struct super_block *sb; /* if !NULL, only write inodes from - this super_block */ enum writeback_sync_modes sync_mode; unsigned long *older_than_this; /* If !NULL, only write back inodes older than this */ @@ -56,15 +52,6 @@ struct writeback_control { unsigned for_reclaim:1; /* Invoked from the page allocator */ unsigned range_cyclic:1; /* range_start is cyclic */ unsigned more_io:1; /* more io to be dispatched */ - /* - * write_cache_pages() won't update wbc->nr_to_write and - * mapping->writeback_index if no_nrwrite_index_update - * is set. write_cache_pages() may write more than we - * requested and we want to make sure nr_to_write and - * writeback_index are updated in a consistent manner - * so we use a single control to update them - */ - unsigned no_nrwrite_index_update:1; }; /* @@ -75,7 +62,8 @@ int inode_wait(void *); void writeback_inodes_sb(struct super_block *); int writeback_inodes_sb_if_idle(struct super_block *); void sync_inodes_sb(struct super_block *); -void writeback_inodes_wbc(struct writeback_control *wbc); +void writeback_inodes_wb(struct bdi_writeback *wb, + struct writeback_control *wbc); long wb_do_writeback(struct bdi_writeback *wb, int force_wait); void wakeup_flusher_threads(long nr_pages); @@ -96,8 +84,14 @@ static inline void inode_sync_wait(struct inode *inode) /* * mm/page-writeback.c */ -void laptop_io_completion(void); +#ifdef CONFIG_BLOCK +void laptop_io_completion(struct backing_dev_info *info); void laptop_sync_completion(void); +void laptop_mode_sync(struct work_struct *work); +void laptop_mode_timer_fn(unsigned long data); +#else +static inline void laptop_sync_completion(void) { } +#endif void throttle_vm_writeout(gfp_t gfp_mask); /* These are exported to sysctl. */ @@ -130,8 +124,9 @@ struct ctl_table; int dirty_writeback_centisecs_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); -void get_dirty_limits(unsigned long *pbackground, unsigned long *pdirty, - unsigned long *pbdi_dirty, struct backing_dev_info *bdi); +void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty); +unsigned long bdi_dirty_limit(struct backing_dev_info *bdi, + unsigned long dirty); void page_writeback_init(void); void balance_dirty_pages_ratelimited_nr(struct address_space *mapping, |