linux-kernel - [PATCH 27/29] VFS path get/put ops used by Unionfs

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Message-Id: <1199977207623-git-send-email-ezk@cs.sunysb.edu>
Date:	Thu, 10 Jan 2008 09:59:46 -0500
From:	Erez Zadok <ezk@...sunysb.edu>
To:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	hch@...radead.org, viro@....linux.org.uk
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Erez Zadok <ezk@...sunysb.edu>
Subject: [PATCH 27/29] VFS path get/put ops used by Unionfs

Note: this will become obsolete once similar patches, now in -mm, make it to
mainline.

Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
---
 include/linux/namei.h |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/include/linux/namei.h b/include/linux/namei.h
index 4cb4f8d..63f16d9 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -3,6 +3,7 @@
 
 #include <linux/dcache.h>
 #include <linux/linkage.h>
+#include <linux/mount.h>
 
 struct vfsmount;
 
@@ -100,4 +101,16 @@ static inline char *nd_get_link(struct nameidata *nd)
 	return nd->saved_names[nd->depth];
 }
 
+static inline void pathget(struct path *path)
+{
+	mntget(path->mnt);
+	dget(path->dentry);
+}
+
+static inline void pathput(struct path *path)
+{
+	dput(path->dentry);
+	mntput(path->mnt);
+}
+
 #endif /* _LINUX_NAMEI_H */
-- 
1.5.2.2

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