[PATCH 18/21] Unionfs: Remove defunct unionfs_put_inode super op

Josef 'Jeff' Sipek
2007-05-24T00:46:36Z

Removed old workaround code that was needed to get mmap working, is no
longer needed with recent kernels.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
---
fs/unionfs/super.c | 20 --------------------
1 files changed, 0 insertions(+), 20 deletions(-)

diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c
index 446faf8..bfd6c24 100644
--- a/fs/unionfs/super.c
+++ b/fs/unionfs/super.c
@@ -62,25 +62,6 @@ static void unionfs_read_inode(struct inode *inode)
inode->i_mapping->a_ops = &unionfs_empty_aops;
}

-static void unionfs_put_inode(struct inode *inode)
-{
- /*
- * This is really funky stuff:
- *
- * Basically, if i_count == 1, iput will then decrement it and this
- * inode will be destroyed. It is currently holding a reference to
- * the hidden inode. Therefore, it needs to release that reference
- * by calling iput on the hidden inode. iput() _will_ do it for us
- * (by calling our clear_inode), but _only_ if i_nlink == 0. The
- * problem is, NFS keeps i_nlink == 1 for silly_rename'd files. So
- * we must force our i_nlink to 0 here to trick iput() into calling
- * our clear_inode.
- */
-
- if (atomic_read(&inode->i_count) == 1)
- inode->i_nlink = 0;
-}
-
/*
* we now define delete_inode, because there are two VFS paths that may
* destroy an inode: one of them calls clear inode before doing everything
@@ -938,7 +919,6 @@ out:

struct super_operations unionfs_sops = {
.read_inode = unionfs_read_inode,
- .put_inode = unionfs_put_inode,
.delete_inode = unionfs_delete_inode,
.put_super = unionfs_put_super,
.statfs = unionfs_statfs,
--
1.5.2.rc1.165.gaf9b