From: Sage Weil <sage@newdream.net>
Date: Fri, 27 May 2011 20:42:11 +0000 (-0700)
Subject: 9p: remove unnecessary dentry_unhash on rmdir, dir rename
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=86905d6d96f138a99326016e4f0ca933200e0729;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

9p: remove unnecessary dentry_unhash on rmdir, dir rename

9p has no problems with references to unlinked directories.

CC: Eric Van Hensbergen <ericvh@gmail.com>
CC: Ron Minnich <rminnich@sandia.gov>
CC: Latchesar Ionkov <lucho@ionkov.net>
CC: v9fs-developer@lists.sourceforge.net
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 8d7f3e69ae29..7f6c67703195 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -814,7 +814,6 @@ int v9fs_vfs_unlink(struct inode *i, struct dentry *d)
 
 int v9fs_vfs_rmdir(struct inode *i, struct dentry *d)
 {
-	dentry_unhash(d);
 	return v9fs_remove(i, d, 1);
 }
 
@@ -840,9 +839,6 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct p9_fid *newdirfid;
 	struct p9_wstat wstat;
 
-	if (new_dentry->d_inode && S_ISDIR(new_dentry->d_inode->i_mode))
-		dentry_unhash(new_dentry);
-
 	P9_DPRINTK(P9_DEBUG_VFS, "\n");
 	retval = 0;
 	old_inode = old_dentry->d_inode;