diff options
Diffstat (limited to 'fs/namespace.c')
| -rw-r--r-- | fs/namespace.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 847b7240c512..a14750be7a70 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -203,10 +203,10 @@ static struct mount *alloc_vfsmnt(const char *name) INIT_LIST_HEAD(&p->mnt_child); INIT_LIST_HEAD(&p->mnt_mounts); INIT_LIST_HEAD(&mnt->mnt_list); - INIT_LIST_HEAD(&mnt->mnt_expire); - INIT_LIST_HEAD(&mnt->mnt_share); - INIT_LIST_HEAD(&mnt->mnt_slave_list); - INIT_LIST_HEAD(&mnt->mnt_slave); + INIT_LIST_HEAD(&p->mnt_expire); + INIT_LIST_HEAD(&p->mnt_share); + INIT_LIST_HEAD(&p->mnt_slave_list); + INIT_LIST_HEAD(&p->mnt_slave); #ifdef CONFIG_FSNOTIFY INIT_HLIST_HEAD(&mnt->mnt_fsnotify_marks); #endif @@ -714,14 +714,14 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root, mnt->mnt_parent = mnt; if (flag & CL_SLAVE) { - list_add(&mnt->mnt.mnt_slave, &old->mnt.mnt_slave_list); + list_add(&mnt->mnt_slave, &old->mnt_slave_list); mnt->mnt_master = old; CLEAR_MNT_SHARED(&mnt->mnt); } else if (!(flag & CL_PRIVATE)) { if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(&old->mnt)) - list_add(&mnt->mnt.mnt_share, &old->mnt.mnt_share); + list_add(&mnt->mnt_share, &old->mnt_share); if (IS_MNT_SLAVE(old)) - list_add(&mnt->mnt.mnt_slave, &old->mnt.mnt_slave); + list_add(&mnt->mnt_slave, &old->mnt_slave); mnt->mnt_master = old->mnt_master; } if (flag & CL_MAKE_SHARED) @@ -730,8 +730,8 @@ static struct mount *clone_mnt(struct mount *old, struct dentry *root, /* stick the duplicate mount on the same expiry list * as the original if that was on one */ if (flag & CL_EXPIRE) { - if (!list_empty(&old->mnt.mnt_expire)) - list_add(&mnt->mnt.mnt_expire, &old->mnt.mnt_expire); + if (!list_empty(&old->mnt_expire)) + list_add(&mnt->mnt_expire, &old->mnt_expire); } } return mnt; @@ -1233,7 +1233,7 @@ void umount_tree(struct mount *mnt, int propagate, struct list_head *kill) propagate_umount(&tmp_list); list_for_each_entry(p, &tmp_list, mnt_hash) { - list_del_init(&p->mnt.mnt_expire); + list_del_init(&p->mnt_expire); list_del_init(&p->mnt.mnt_list); __touch_mnt_namespace(p->mnt.mnt_ns); p->mnt.mnt_ns = NULL; @@ -1921,7 +1921,7 @@ static int do_move_mount(struct path *path, char *old_name) /* if the mount is moved, it should no longer be expire * automatically */ - list_del_init(&old_path.mnt->mnt_expire); + list_del_init(&old->mnt_expire); out1: unlock_mount(path); out: @@ -2033,11 +2033,12 @@ static int do_new_mount(struct path *path, char *type, int flags, int finish_automount(struct vfsmount *m, struct path *path) { + struct mount *mnt = real_mount(m); int err; /* The new mount record should have at least 2 refs to prevent it being * expired before we get a chance to add it */ - BUG_ON(mnt_get_count(real_mount(m)) < 2); + BUG_ON(mnt_get_count(mnt) < 2); if (m->mnt_sb == path->mnt->mnt_sb && m->mnt_root == path->dentry) { @@ -2050,10 +2051,10 @@ int finish_automount(struct vfsmount *m, struct path *path) return 0; fail: /* remove m from any expiration list it may be on */ - if (!list_empty(&m->mnt_expire)) { + if (!list_empty(&mnt->mnt_expire)) { down_write(&namespace_sem); br_write_lock(vfsmount_lock); - list_del_init(&m->mnt_expire); + list_del_init(&mnt->mnt_expire); br_write_unlock(vfsmount_lock); up_write(&namespace_sem); } @@ -2072,7 +2073,7 @@ void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list) down_write(&namespace_sem); br_write_lock(vfsmount_lock); - list_add_tail(&mnt->mnt_expire, expiry_list); + list_add_tail(&real_mount(mnt)->mnt_expire, expiry_list); br_write_unlock(vfsmount_lock); up_write(&namespace_sem); @@ -2102,14 +2103,14 @@ void mark_mounts_for_expiry(struct list_head *mounts) * - still marked for expiry (marked on the last call here; marks are * cleared by mntput()) */ - list_for_each_entry_safe(mnt, next, mounts, mnt.mnt_expire) { + list_for_each_entry_safe(mnt, next, mounts, mnt_expire) { if (!xchg(&mnt->mnt.mnt_expiry_mark, 1) || propagate_mount_busy(mnt, 1)) continue; - list_move(&mnt->mnt.mnt_expire, &graveyard); + list_move(&mnt->mnt_expire, &graveyard); } while (!list_empty(&graveyard)) { - mnt = list_first_entry(&graveyard, struct mount, mnt.mnt_expire); + mnt = list_first_entry(&graveyard, struct mount, mnt_expire); touch_mnt_namespace(mnt->mnt.mnt_ns); umount_tree(mnt, 1, &umounts); } @@ -2152,7 +2153,7 @@ resume: } if (!propagate_mount_busy(mnt, 1)) { - list_move_tail(&mnt->mnt.mnt_expire, graveyard); + list_move_tail(&mnt->mnt_expire, graveyard); found++; } } @@ -2182,7 +2183,7 @@ static void shrink_submounts(struct mount *mnt, struct list_head *umounts) while (select_submounts(mnt, &graveyard)) { while (!list_empty(&graveyard)) { m = list_first_entry(&graveyard, struct mount, - mnt.mnt_expire); + mnt_expire); touch_mnt_namespace(m->mnt.mnt_ns); umount_tree(m, 1, umounts); } |