Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754841AbXJISIb (ORCPT ); Tue, 9 Oct 2007 14:08:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754060AbXJISHo (ORCPT ); Tue, 9 Oct 2007 14:07:44 -0400 Received: from cantor.suse.de ([195.135.220.2]:35891 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753718AbXJISHm (ORCPT ); Tue, 9 Oct 2007 14:07:42 -0400 Message-Id: <20071009180513.757397456@X40.localnet> References: <20071009180503.075306583@X40.localnet> User-Agent: quilt/0.46-62.1 Date: Tue, 09 Oct 2007 20:05:11 +0200 From: Jan Blunck To: Andrew Morton Cc: Linux-Kernel Mailinglist , Christoph Hellwig , Andreas Gruenbacher Subject: [patch 08/10] Introduce path_get() Content-Disposition: inline; filename=vfs/nameidata-path-5.diff Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2245 Lines: 82 This introduces the symmetric function to path_put() for getting a reference to the dentry and vfsmount of a struct path in the right order. Signed-off-by: Jan Blunck Signed-off-by: Andreas Gruenbacher Acked-by: Christoph Hellwig --- fs/namei.c | 17 +++++++++++++++-- include/linux/namei.h | 6 ------ include/linux/path.h | 1 + 3 files changed, 16 insertions(+), 8 deletions(-) Index: b/fs/namei.c =================================================================== --- a/fs/namei.c +++ b/fs/namei.c @@ -363,6 +363,19 @@ int deny_write_access(struct file * file } /** + * path_get - get a reference to a path + * @path: path to get the reference to + * + * Given a path increment the reference count to the dentry and the vfsmount. + */ +void path_get(struct path *path) +{ + mntget(path->mnt); + dget(path->dentry); +} +EXPORT_SYMBOL(path_get); + +/** * path_put - put a reference to a path * @path: path to put the reference to * @@ -1161,8 +1174,8 @@ static int fastcall do_path_lookup(int d if (retval) goto fput_fail; - nd->path.mnt = mntget(file->f_path.mnt); - nd->path.dentry = dget(dentry); + nd->path = file->f_path; + path_get(&file->f_path); fput_light(file, fput_needed); } Index: b/include/linux/namei.h =================================================================== --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -94,10 +94,4 @@ static inline char *nd_get_link(struct n return nd->saved_names[nd->depth]; } -static inline void pathget(struct path *path) -{ - mntget(path->mnt); - dget(path->dentry); -} - #endif /* _LINUX_NAMEI_H */ Index: b/include/linux/path.h =================================================================== --- a/include/linux/path.h +++ b/include/linux/path.h @@ -9,6 +9,7 @@ struct path { struct dentry *dentry; }; +extern void path_get(struct path *); extern void path_put(struct path *); #endif /* _LINUX_PATH_H */ -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/