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>

1 files changed, 9 insertions, 2 deletions

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 71b032c65a02..36ae1cac767c 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -41,6 +41,8 @@ MODULE_AUTHOR("Remy Card and others");
 MODULE_DESCRIPTION("Second Extended Filesystem");
 MODULE_LICENSE("GPL");
 
+static int __ext2_write_inode(struct inode *inode, int do_sync);
+
 /*
  * Test whether an inode is a fast symlink.
  */
@@ -64,7 +66,7 @@ void ext2_delete_inode (struct inode * inode)
                 goto no_delete;
         EXT2_I(inode)->i_dtime  = get_seconds();
         mark_inode_dirty(inode);
-        ext2_write_inode(inode, inode_needs_sync(inode));
+        __ext2_write_inode(inode, inode_needs_sync(inode));
 
         inode->i_size = 0;
         if (inode->i_blocks)
@@ -1335,7 +1337,7 @@ bad_inode:
         return ERR_PTR(ret);
 }
 
-int ext2_write_inode(struct inode *inode, int do_sync)
+static int __ext2_write_inode(struct inode *inode, int do_sync)
 {
         struct ext2_inode_info *ei = EXT2_I(inode);
         struct super_block *sb = inode->i_sb;
@@ -1440,6 +1442,11 @@ int ext2_write_inode(struct inode *inode, int do_sync)
         return err;
 }
 
+int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+        return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+}
+
 int ext2_sync_inode(struct inode *inode)
 {
         struct writeback_control wbc = {