[PATCH] eCryptfs: Remove ecryptfs_umount_begin

There is no point to calling the lower umount_begin when the eCryptfs
umount_begin is called.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c
index c337c04..825757a 100644 (file)
--- a/fs/ecryptfs/super.c
+++ b/fs/ecryptfs/super.c
@@ -137,23 +137,6 @@ static void ecryptfs_clear_inode(struct inode *inode)
        iput(ecryptfs_inode_to_lower(inode));
 }
 
-/**
- * ecryptfs_umount_begin
- *
- * Called in do_umount().
- */
-static void ecryptfs_umount_begin(struct vfsmount *vfsmnt, int flags)
-{
-       struct vfsmount *lower_mnt =
-               ecryptfs_dentry_to_lower_mnt(vfsmnt->mnt_sb->s_root);
-       struct super_block *lower_sb;
-
-       mntput(lower_mnt);
-       lower_sb = lower_mnt->mnt_sb;
-       if (lower_sb->s_op->umount_begin)
-               lower_sb->s_op->umount_begin(lower_mnt, flags);
-}
-
 /**
  * ecryptfs_show_options
  *
@@ -193,6 +176,5 @@ struct super_operations ecryptfs_sops = {
        .statfs = ecryptfs_statfs,
        .remount_fs = NULL,
        .clear_inode = ecryptfs_clear_inode,
-       .umount_begin = ecryptfs_umount_begin,
        .show_options = ecryptfs_show_options
 };