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-rw-r--r--include/linux/writeback.h31
1 files changed, 5 insertions, 26 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index cc97d6caf2b..72a5d647a5f 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 */
@@ -56,24 +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;
-
- /*
- * For WB_SYNC_ALL, the sb must always be pinned. For WB_SYNC_NONE,
- * the writeback code will pin the sb for the caller. However,
- * for eg umount, the caller does WB_SYNC_NONE but already has
- * the sb pinned. If the below is set, caller already has the
- * sb pinned.
- */
- unsigned sb_pinned:1;
};
/*
@@ -82,10 +60,10 @@ struct writeback_control {
struct bdi_writeback;
int inode_wait(void *);
void writeback_inodes_sb(struct super_block *);
-void writeback_inodes_sb_locked(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);
@@ -146,8 +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,