vfs: opencode mntget() mnt_set_mountpoint()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-11-25 03:19:09 -05:00
parent 909b0a88ef
commit 3a2393d71d

View file

@ -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);