From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 25 Nov 2011 08:19:09 +0000 (-0500)
Subject: vfs: opencode mntget() mnt_set_mountpoint()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3a2393d71d77b034669d495b49c212a87e04abdc;p=linux.git

vfs: opencode mntget() mnt_set_mountpoint()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/namespace.c b/fs/namespace.c
index 24e845671ad3f..cd6389387d1fd 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -572,8 +572,9 @@ static void detach_mnt(struct mount *mnt, struct path *old_path)
 void mnt_set_mountpoint(struct mount *mnt, struct dentry *dentry,
 			struct mount *child_mnt)
 {
-	child_mnt->mnt_parent = real_mount(mntget(&mnt->mnt));
+	mnt_add_count(mnt, 1);	/* essentially, that's mntget */
 	child_mnt->mnt_mountpoint = dget(dentry);
+	child_mnt->mnt_parent = mnt;
 	spin_lock(&dentry->d_lock);
 	dentry->d_flags |= DCACHE_MOUNTED;
 	spin_unlock(&dentry->d_lock);