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Diffstat (limited to 'include/linux/writeback.h')
-rw-r--r--include/linux/writeback.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index b4af6bcb7b7..bef7d66601c 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -5,6 +5,7 @@
#define WRITEBACK_H
#include <linux/sched.h>
+#include <linux/fs.h>
struct backing_dev_info;
@@ -61,15 +62,13 @@ struct writeback_control {
unsigned for_reclaim:1; /* Invoked from the page allocator */
unsigned for_writepages:1; /* This is a writepages() call */
unsigned range_cyclic:1; /* range_start is cyclic */
-
- void *fs_private; /* For use by ->writepages() */
+ unsigned more_io:1; /* more io to be dispatched */
};
/*
* fs/fs-writeback.c
*/
void writeback_inodes(struct writeback_control *wbc);
-void wake_up_inode(struct inode *inode);
int inode_wait(void *);
void sync_inodes_sb(struct super_block *, int wait);
void sync_inodes(int wait);
@@ -81,6 +80,13 @@ static inline void wait_on_inode(struct inode *inode)
wait_on_bit(&inode->i_state, __I_LOCK, inode_wait,
TASK_UNINTERRUPTIBLE);
}
+static inline void inode_sync_wait(struct inode *inode)
+{
+ might_sleep();
+ wait_on_bit(&inode->i_state, __I_SYNC, inode_wait,
+ TASK_UNINTERRUPTIBLE);
+}
+
/*
* mm/page-writeback.c
@@ -98,6 +104,10 @@ extern int dirty_expire_interval;
extern int block_dump;
extern int laptop_mode;
+extern int dirty_ratio_handler(struct ctl_table *table, int write,
+ struct file *filp, void __user *buffer, size_t *lenp,
+ loff_t *ppos);
+
struct ctl_table;
struct file;
int dirty_writeback_centisecs_handler(struct ctl_table *, int, struct file *,