diff options
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index f7e28f8ea04d..b5b1259e064f 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -96,10 +96,6 @@ static inline struct hlist_head *mp_hash(struct dentry *dentry) return &mountpoint_hashtable[tmp & mp_hash_mask]; } -/* - * allocation is serialized by namespace_sem, but we need the spinlock to - * serialize with freeing. - */ static int mnt_alloc_id(struct mount *mnt) { int res; @@ -1034,6 +1030,8 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root, if (IS_MNT_SLAVE(old)) list_add(&mnt->mnt_slave, &old->mnt_slave); mnt->mnt_master = old->mnt_master; + } else { + CLEAR_MNT_SHARED(mnt); } if (flag & CL_MAKE_SHARED) set_mnt_shared(mnt); @@ -1828,9 +1826,7 @@ struct vfsmount *clone_private_mount(const struct path *path) if (IS_MNT_UNBINDABLE(old_mnt)) return ERR_PTR(-EINVAL); - down_read(&namespace_sem); new_mnt = clone_mnt(old_mnt, path->dentry, CL_PRIVATE); - up_read(&namespace_sem); if (IS_ERR(new_mnt)) return ERR_CAST(new_mnt); |