Pull misc leftovers from Al Viro.
* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix the __user misannotations in asm-generic get_user/put_user
fput: Don't reinvent the wheel but use existing llist API
namespace.c: Don't reinvent the wheel but use existing llist API
static void delayed_fput(struct work_struct *unused)
{
struct llist_node *node = llist_del_all(&delayed_fput_list);
- struct llist_node *next;
+ struct file *f, *t;
- for (; node; node = next) {
- next = llist_next(node);
- __fput(llist_entry(node, struct file, f_u.fu_llist));
- }
+ llist_for_each_entry_safe(f, t, node, f_u.fu_llist)
+ __fput(f);
}
static void ____fput(struct callback_head *work)
}
void __init files_init(void)
-{
+{
filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
percpu_counter_init(&nr_files, 0, GFP_KERNEL);
n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10;
files_stat.max_files = max_t(unsigned long, n, NR_FILE);
-}
+}
static void delayed_mntput(struct work_struct *unused)
{
struct llist_node *node = llist_del_all(&delayed_mntput_list);
- struct llist_node *next;
+ struct mount *m, *t;
- for (; node; node = next) {
- next = llist_next(node);
- cleanup_mnt(llist_entry(node, struct mount, mnt_llist));
- }
+ llist_for_each_entry_safe(m, t, node, mnt_llist)
+ cleanup_mnt(m);
}
static DECLARE_DELAYED_WORK(delayed_mntput_work, delayed_mntput);
#define put_user(x, ptr) \
({ \
- void *__p = (ptr); \
+ void __user *__p = (ptr); \
might_fault(); \
access_ok(VERIFY_WRITE, __p, sizeof(*ptr)) ? \
- __put_user((x), ((__typeof__(*(ptr)) *)__p)) : \
+ __put_user((x), ((__typeof__(*(ptr)) __user *)__p)) : \
-EFAULT; \
})
#define get_user(x, ptr) \
({ \
- const void *__p = (ptr); \
+ const void __user *__p = (ptr); \
might_fault(); \
access_ok(VERIFY_READ, __p, sizeof(*ptr)) ? \
- __get_user((x), (__typeof__(*(ptr)) *)__p) : \
+ __get_user((x), (__typeof__(*(ptr)) __user *)__p) :\
((x) = (__typeof__(*(ptr)))0,-EFAULT); \
})