#include <linux/mnt_namespace.h>
#include <linux/mount.h>
#include <linux/fs.h>
+#include "internal.h"
#include "pnode.h"
/* return the next shared peer mount of @p */
if (peer_mnt == mnt)
peer_mnt = NULL;
}
+ if (IS_MNT_SHARED(mnt) && list_empty(&mnt->mnt_share))
+ mnt_release_group_id(mnt);
+
list_del_init(&mnt->mnt_share);
+ mnt->mnt_group_id = 0;
if (peer_mnt)
master = peer_mnt;
}
mnt->mnt_master = master;
CLEAR_MNT_SHARED(mnt);
- INIT_LIST_HEAD(&mnt->mnt_slave_list);
return 0;
}
out:
spin_lock(&vfsmount_lock);
while (!list_empty(&tmp_list)) {
- child = list_entry(tmp_list.next, struct vfsmount, mnt_hash);
- list_del_init(&child->mnt_hash);
+ child = list_first_entry(&tmp_list, struct vfsmount, mnt_hash);
umount_tree(child, 0, &umount_list);
}
spin_unlock(&vfsmount_lock);
*/
static inline int do_refcount_check(struct vfsmount *mnt, int count)
{
- int mycount = atomic_read(&mnt->mnt_count);
+ int mycount = atomic_read(&mnt->mnt_count) - mnt->mnt_ghosts;
return (mycount > count);
}