fput: Don't reinvent the wheel but use existing llist API

Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Byungchul Park 2017-08-07 17:45:39 +09:00 committed by Al Viro
parent 2978573578
commit b9ea557ee9
1 changed files with 5 additions and 7 deletions

View File

@ -233,12 +233,10 @@ static LLIST_HEAD(delayed_fput_list);
static void delayed_fput(struct work_struct *unused) static void delayed_fput(struct work_struct *unused)
{ {
struct llist_node *node = llist_del_all(&delayed_fput_list); struct llist_node *node = llist_del_all(&delayed_fput_list);
struct llist_node *next; struct file *f, *t;
for (; node; node = next) { llist_for_each_entry_safe(f, t, node, f_u.fu_llist)
next = llist_next(node); __fput(f);
__fput(llist_entry(node, struct file, f_u.fu_llist));
}
} }
static void ____fput(struct callback_head *work) static void ____fput(struct callback_head *work)
@ -312,7 +310,7 @@ void put_filp(struct file *file)
} }
void __init files_init(void) void __init files_init(void)
{ {
filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0,
SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
percpu_counter_init(&nr_files, 0, GFP_KERNEL); percpu_counter_init(&nr_files, 0, GFP_KERNEL);
@ -331,4 +329,4 @@ void __init files_maxfiles_init(void)
n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10; n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10;
files_stat.max_files = max_t(unsigned long, n, NR_FILE); files_stat.max_files = max_t(unsigned long, n, NR_FILE);
} }