pass writeback_control to ->write_inode

This gives the filesystem more information about the writeback that
is happening.  Trond requested this for the NFS unstable write handling,
and other filesystems might benefit from this too by beeing able to
distinguish between the different callers in more detail.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 4 insertions, 3 deletions

diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 7cf33379fd46..0a627e08610b 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -36,6 +36,7 @@
 #include <linux/mm.h>
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
+#include <linux/writeback.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -890,11 +891,11 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
         return 0;
 }
 
-int ufs_write_inode (struct inode * inode, int wait)
+int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
         int ret;
         lock_kernel();
-        ret = ufs_update_inode (inode, wait);
+        ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
         unlock_kernel();
         return ret;
 }
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 01d0e2a3b230..43f9f5d5670e 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -106,7 +106,7 @@ extern struct inode * ufs_new_inode (struct inode *, int);
 
 /* inode.c */
 extern struct inode *ufs_iget(struct super_block *, unsigned long);
-extern int ufs_write_inode (struct inode *, int);
+extern int ufs_write_inode (struct inode *, struct writeback_control *);
 extern int ufs_sync_inode (struct inode *);
 extern void ufs_delete_inode (struct inode *);
 extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);