Unionfs: namei fixes and misc

Updated lookup_one_len_nd(), update MAINTAINERS, remove old comments and
copyrights.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>

diff --git a/MAINTAINERS b/MAINTAINERS
index 0d7e1da300fe27553c6fb35130475aff25bd51c1..7c76528ffaa88564969a835721095534cdbe66c3 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8394,6 +8394,16 @@ F:       drivers/cdrom/cdrom.c
 F:     include/linux/cdrom.h
 F:     include/uapi/linux/cdrom.h
 
+UNION FILE SYSTEM
+P:     Erez Zadok
+M:     ezk@cs.sunysb.edu
+L:     unionfs@filesystems.org
+W:     http://unionfs.filesystems.org/
+T:     git git://git.fsl.cs.sunysb.edu/unionfs-latest.git
+S:     Maintained
+F:     Documentation/filesystems/unionfs/
+F:     fs/unionfs/
+
 UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
 M:     Vinayak Holikatti <vinholikatti@gmail.com>
 M:     Santosh Y <santoshsy@gmail.com>
@@ -8402,14 +8412,6 @@ S:       Supported
 F:     Documentation/scsi/ufs.txt
 F:     drivers/scsi/ufs/
 
-UNIONFS
-P:     Erez Zadok
-M:     ezk@cs.sunysb.edu
-L:     unionfs@filesystems.org
-W:     http://unionfs.filesystems.org/
-T:     git git.kernel.org/pub/scm/linux/kernel/git/ezk/unionfs.git
-S:     Maintained
-
 UNSORTED BLOCK IMAGES (UBI)
 M:     Artem Bityutskiy <dedekind1@gmail.com>
 W:     http://www.linux-mtd.infradead.org/

diff --git a/fs/namei.c b/fs/namei.c
index fa55f4307b46339105a66cafe4c7019bcfc402d3..990c282157162514a1a03d2403e0c65097ba2fe3 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2134,42 +2134,6 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
        return __lookup_hash(&this, base, 0);
 }
 
-/* pass nameidata from caller (useful for NFS) */
-struct dentry *lookup_one_len_nd(const char *name, struct dentry *base,
-                                int len, struct nameidata *nd)
-{
-       struct qstr this;
-       unsigned long hash;
-       unsigned int c;
-
-       WARN_ON_ONCE(!mutex_is_locked(&base->d_inode->i_mutex));
-
-       this.name = name;
-       this.len = len;
-       if (!len)
-               return ERR_PTR(-EACCES);
-
-       hash = init_name_hash();
-       while (len--) {
-               c = *(const unsigned char *)name++;
-               if (c == '/' || c == '\0')
-                       return ERR_PTR(-EACCES);
-               hash = partial_name_hash(c, hash);
-       }
-       this.hash = end_name_hash(hash);
-       /*
-        * See if the low-level filesystem might want
-        * to use its own hash..
-        */
-       if (base->d_flags & DCACHE_OP_HASH) {
-               int err = base->d_op->d_hash(base, base->d_inode, &this);
-               if (err < 0)
-                       return ERR_PTR(err);
-       }
-
-       return __lookup_hash(&this, base, nd);
-}
-
 int user_path_at_empty(int dfd, const char __user *name, unsigned flags,
                 struct path *path, int *empty)
 {

diff --git a/fs/stack.c b/fs/stack.c
index 098ef57ef558b143f5a869b9beee191cb80e1499..5b5388250e29351a66b60cd7658832586eb80771 100644 (file)
--- a/fs/stack.c
+++ b/fs/stack.c
@@ -2,8 +2,7 @@
 #include <linux/fs.h>
 #include <linux/fs_stack.h>
 
-/*
- * does _NOT_ require i_mutex to be held.
+/* does _NOT_ require i_mutex to be held.
  *
  * This function cannot be inlined since i_size_{read,write} is rather
  * heavy-weight on 32-bit systems

diff --git a/include/linux/fs_stack.h b/include/linux/fs_stack.h
index 64f1ced6de09f3a7f85df43d17cc589b7e5de494..da317c7163ab55c4ff6e3552c58ecb7db916ce7e 100644 (file)
--- a/include/linux/fs_stack.h
+++ b/include/linux/fs_stack.h
@@ -1,19 +1,7 @@
-/*
- * Copyright (c) 2006-2009 Erez Zadok
- * Copyright (c) 2006-2007 Josef 'Jeff' Sipek
- * Copyright (c) 2006-2009 Stony Brook University
- * Copyright (c) 2006-2009 The Research Foundation of SUNY
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
 #ifndef _LINUX_FS_STACK_H
 #define _LINUX_FS_STACK_H
 
-/*
- * This file defines generic functions used primarily by stackable
+/* This file defines generic functions used primarily by stackable
  * filesystems; none of these functions require i_mutex to be held.
  */