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| author | John Stultz <johnstul@us.ibm.com> | 2010-04-28 12:39:45 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-04-28 22:54:13 +0200 |
| commit | 5e022ed205b9408a98822d291a4c2b9dd675a91e (patch) | |
| tree | 0a5f78dc1d7426a2f2a0131ad3c9c6c4387b533d | |
| parent | 4b44047bffdaf134f84b683efed4d828c9d2f87b (diff) | |
| download | lwn-5e022ed205b9408a98822d291a4c2b9dd675a91e.tar.gz lwn-5e022ed205b9408a98822d291a4c2b9dd675a91e.zip | |
fs: namespace: Fix MNT_MOUNTED handling for cloned rootfs
We don't call attach_mnt on a cloned rootfs so set the MNT_MOUNTED
flag in copy_tree().
Signed-off-by: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | fs/namespace.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index d8924bfaa9db..6c115d86a157 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1377,6 +1377,13 @@ struct vfsmount *copy_tree(struct vfsmount *mnt, struct dentry *dentry, goto Enomem; q->mnt_mountpoint = mnt->mnt_mountpoint; + /* + * We don't call attach_mnt on a cloned rootfs, so set it as + * mounted here. + */ + WARN_ON(q->mnt_flags & MNT_MOUNTED); + q->mnt_flags |= MNT_MOUNTED; + p = mnt; list_for_each_entry(r, &mnt->mnt_mounts, mnt_child) { if (!is_subdir(r->mnt_mountpoint, dentry)) |