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switch mnt_namespace ->root to struct mount 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-12-06 13:32:36 -05:00
parent 0226f4923f
commit be08d6d260
2 changed files with 7 additions and 7 deletions
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2
fs/mount.h
View File

@ -4,7 +4,7 @@
struct mnt_namespace {
atomic_t count;
struct vfsmount * root;
struct mount * root;
struct list_head list;
wait_queue_head_t poll;
int event;

12
fs/namespace.c
View File

@ -2197,7 +2197,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
struct mnt_namespace *new_ns;
struct vfsmount *rootmnt = NULL, *pwdmnt = NULL;
struct mount *p, *q;
struct mount *old = real_mount(mnt_ns->root);
struct mount *old = mnt_ns->root;
struct mount *new;
new_ns = alloc_mnt_ns();
@ -2212,7 +2212,7 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns,
kfree(new_ns);
return ERR_PTR(-ENOMEM);
}
new_ns->root = &new->mnt;
new_ns->root = new;
br_write_lock(vfsmount_lock);
list_add_tail(&new_ns->list, &new->mnt_list);
br_write_unlock(vfsmount_lock);
@ -2282,7 +2282,7 @@ static struct mnt_namespace *create_mnt_ns(struct vfsmount *m)
struct mount *mnt = real_mount(m);
mnt->mnt_ns = new_ns;
__mnt_make_longterm(mnt);
new_ns->root = m;
new_ns->root = mnt;
list_add(&new_ns->list, &mnt->mnt_list);
} else {
mntput(m);
@ -2512,8 +2512,8 @@ static void __init init_mount_tree(void)
init_task.nsproxy->mnt_ns = ns;
get_mnt_ns(ns);
root.mnt = ns->root;
root.dentry = ns->root->mnt_root;
root.mnt = mnt;
root.dentry = mnt->mnt_root;
set_fs_pwd(current->fs, &root);
set_fs_root(current->fs, &root);
@ -2560,7 +2560,7 @@ void put_mnt_ns(struct mnt_namespace *ns)
return;
down_write(&namespace_sem);
br_write_lock(vfsmount_lock);
umount_tree(real_mount(ns->root), 0, &umount_list);
umount_tree(ns->root, 0, &umount_list);
br_write_unlock(vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umount_list);