Remove path_release_on_umount()

path_release_on_umount() should only be called from sys_umount(). I merged the
function into sys_umount() instead of having in in namei.c.

Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/namei.c b/fs/namei.c
index 5270398..3ed4d75 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -368,16 +368,6 @@ void path_release(struct nameidata *nd)
        mntput(nd->mnt);
 }
 
-/*
- * umount() mustn't call path_release()/mntput() as that would clear
- * mnt_expiry_mark
- */
-void path_release_on_umount(struct nameidata *nd)
-{
-       dput(nd->dentry);
-       mntput_no_expire(nd->mnt);
-}
-
 /**
  * release_open_intent - free up open intent resources
  * @nd: pointer to nameidata

diff --git a/fs/namespace.c b/fs/namespace.c
index 63ced21..7937d30 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -690,7 +690,9 @@ asmlinkage long sys_umount(char __user * name, int flags)
 
        retval = do_umount(nd.mnt, flags);
 dput_and_out:
-       path_release_on_umount(&nd);
+       /* we mustn't call path_put() as that would clear mnt_expiry_mark */
+       dput(nd.dentry);
+       mntput_no_expire(nd.mnt);
 out:
        return retval;
 }

diff --git a/include/linux/namei.h b/include/linux/namei.h
index c13e411..307b1b3 100644 (file)
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -72,7 +72,6 @@ extern int path_lookup(const char *, unsigned, struct nameidata *);
 extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
                           const char *, unsigned int, struct nameidata *);
 extern void path_release(struct nameidata *);
-extern void path_release_on_umount(struct nameidata *);
 
 extern int __user_path_lookup_open(const char __user *, unsigned lookup_flags, struct nameidata *nd, int open_flags);
 extern int path_lookup_open(int dfd, const char *name, unsigned lookup_flags, struct nameidata *, int open_flags);