[073/102] ecryptfs: Make inode bdi consistent with superblock bdi

[Greg KH]

3.0-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Thieu Le <thieule@xxxxxxxxxxxx>

commit 985ca0e626e195ea08a1a82b8dbeb6719747429a upstream.

Make the inode mapping bdi consistent with the superblock bdi so that
dirty pages are flushed properly.

Signed-off-by: Thieu Le <thieule@xxxxxxxxxxxx>
Signed-off-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 fs/ecryptfs/inode.c |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -69,6 +69,7 @@ static int ecryptfs_inode_set(struct ino
 	inode->i_ino = lower_inode->i_ino;
 	inode->i_version++;
 	inode->i_mapping->a_ops = &ecryptfs_aops;
+	inode->i_mapping->backing_dev_info = inode->i_sb->s_bdi;
 
 	if (S_ISLNK(inode->i_mode))
 		inode->i_op = &ecryptfs_symlink_iops;


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