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Subject[RESEND PATCH] fput: Don't reinvent the wheel but use existing llist API
Date
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>
---
fs/file_table.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/file_table.c b/fs/file_table.c
index 6d982b5..3209da2 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -231,12 +231,10 @@ static void __fput(struct file *file)
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)
@@ -310,7 +308,7 @@ void put_filp(struct file *file)
}

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);
@@ -329,4 +327,4 @@ void __init files_maxfiles_init(void)
n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10;

files_stat.max_files = max_t(unsigned long, n, NR_FILE);
-}
+}
--
1.9.1
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