vfs: spread struct mount - umount_tree argument
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/namespace.c b/fs/namespace.c
index 121e003..5bb40c5 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1217,12 +1217,12 @@
* vfsmount lock must be held for write
* namespace_sem must be held for write
*/
-void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill)
+void umount_tree(struct mount *mnt, int propagate, struct list_head *kill)
{
LIST_HEAD(tmp_list);
struct mount *p;
- for (p = real_mount(mnt); p; p = next_mnt(p, mnt))
+ for (p = mnt; p; p = next_mnt(p, &mnt->mnt))
list_move(&p->mnt_hash, &tmp_list);
if (propagate)
@@ -1327,7 +1327,7 @@
retval = -EBUSY;
if (flags & MNT_DETACH || !propagate_mount_busy(mnt, 2)) {
if (!list_empty(&mnt->mnt_list))
- umount_tree(mnt, 1, &umount_list);
+ umount_tree(real_mount(mnt), 1, &umount_list);
retval = 0;
}
br_write_unlock(vfsmount_lock);
@@ -1455,7 +1455,7 @@
if (res) {
LIST_HEAD(umount_list);
br_write_lock(vfsmount_lock);
- umount_tree(&res->mnt, 0, &umount_list);
+ umount_tree(res, 0, &umount_list);
br_write_unlock(vfsmount_lock);
release_mounts(&umount_list);
}
@@ -1476,7 +1476,7 @@
LIST_HEAD(umount_list);
down_write(&namespace_sem);
br_write_lock(vfsmount_lock);
- umount_tree(mnt, 0, &umount_list);
+ umount_tree(real_mount(mnt), 0, &umount_list);
br_write_unlock(vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umount_list);
@@ -1773,7 +1773,7 @@
err = graft_tree(&mnt->mnt, path);
if (err) {
br_write_lock(vfsmount_lock);
- umount_tree(&mnt->mnt, 0, &umount_list);
+ umount_tree(mnt, 0, &umount_list);
br_write_unlock(vfsmount_lock);
}
out2:
@@ -2080,7 +2080,7 @@
*/
void mark_mounts_for_expiry(struct list_head *mounts)
{
- struct vfsmount *mnt, *next;
+ struct mount *mnt, *next;
LIST_HEAD(graveyard);
LIST_HEAD(umounts);
@@ -2096,15 +2096,15 @@
* - still marked for expiry (marked on the last call here; marks are
* cleared by mntput())
*/
- list_for_each_entry_safe(mnt, next, mounts, mnt_expire) {
- if (!xchg(&mnt->mnt_expiry_mark, 1) ||
- propagate_mount_busy(mnt, 1))
+ list_for_each_entry_safe(mnt, next, mounts, mnt.mnt_expire) {
+ if (!xchg(&mnt->mnt.mnt_expiry_mark, 1) ||
+ propagate_mount_busy(&mnt->mnt, 1))
continue;
- list_move(&mnt->mnt_expire, &graveyard);
+ list_move(&mnt->mnt.mnt_expire, &graveyard);
}
while (!list_empty(&graveyard)) {
- mnt = list_first_entry(&graveyard, struct vfsmount, mnt_expire);
- touch_mnt_namespace(mnt->mnt_ns);
+ mnt = list_first_entry(&graveyard, struct mount, mnt.mnt_expire);
+ touch_mnt_namespace(mnt->mnt.mnt_ns);
umount_tree(mnt, 1, &umounts);
}
br_write_unlock(vfsmount_lock);
@@ -2170,14 +2170,14 @@
static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts)
{
LIST_HEAD(graveyard);
- struct vfsmount *m;
+ struct mount *m;
/* extract submounts of 'mountpoint' from the expiration list */
while (select_submounts(mnt, &graveyard)) {
while (!list_empty(&graveyard)) {
- m = list_first_entry(&graveyard, struct vfsmount,
- mnt_expire);
- touch_mnt_namespace(m->mnt_ns);
+ m = list_first_entry(&graveyard, struct mount,
+ mnt.mnt_expire);
+ touch_mnt_namespace(m->mnt.mnt_ns);
umount_tree(m, 1, umounts);
}
}
@@ -2750,7 +2750,7 @@
return;
down_write(&namespace_sem);
br_write_lock(vfsmount_lock);
- umount_tree(ns->root, 0, &umount_list);
+ umount_tree(real_mount(ns->root), 0, &umount_list);
br_write_unlock(vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umount_list);