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more conversions to namespace_unlock() 

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-16 14:42:19 -04:00
parent b54b9be782
commit 3ab6abee59
1 changed files with 6 additions and 14 deletions
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20
fs/namespace.c
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@ -1426,13 +1426,11 @@ struct vfsmount *collect_mounts(struct path *path)
void drop_collected_mounts(struct vfsmount *mnt)
{
LIST_HEAD(umount_list);
down_write(&namespace_sem);
br_write_lock(&vfsmount_lock);
umount_tree(real_mount(mnt), 0, &umount_list);
umount_tree(real_mount(mnt), 0, &unmounted);
br_write_unlock(&vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umount_list);
namespace_unlock();
}
int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg,
@ -2060,7 +2058,6 @@ void mark_mounts_for_expiry(struct list_head *mounts)
{
struct mount *mnt, *next;
LIST_HEAD(graveyard);
LIST_HEAD(umounts);
if (list_empty(mounts))
return;
@ -2083,12 +2080,10 @@ void mark_mounts_for_expiry(struct list_head *mounts)
while (!list_empty(&graveyard)) {
mnt = list_first_entry(&graveyard, struct mount, mnt_expire);
touch_mnt_namespace(mnt->mnt_ns);
umount_tree(mnt, 1, &umounts);
umount_tree(mnt, 1, &unmounted);
}
br_write_unlock(&vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umounts);
namespace_unlock();
}
EXPORT_SYMBOL_GPL(mark_mounts_for_expiry);
@ -2741,16 +2736,13 @@ void __init mnt_init(void)
void put_mnt_ns(struct mnt_namespace *ns)
{
LIST_HEAD(umount_list);
if (!atomic_dec_and_test(&ns->count))
return;
down_write(&namespace_sem);
br_write_lock(&vfsmount_lock);
umount_tree(ns->root, 0, &umount_list);
umount_tree(ns->root, 0, &unmounted);
br_write_unlock(&vfsmount_lock);
up_write(&namespace_sem);
release_mounts(&umount_list);
namespace_unlock();
free_mnt_ns(ns);
}