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authorByungchul Park <byungchul.park@lge.com>2017-08-07 17:45:39 +0900
committerAl Viro <viro@zeniv.linux.org.uk>2017-08-28 00:50:23 -0400
commitb9ea557ee9b9c4e0446851d955c1283bd76a9ce8 (patch)
tree9fc76aaec63060ab9c834ecda6a569d31685f8af /fs/file_table.c
parent29785735788be2450c5f3b1fda61864aaeca38fd (diff)
downloadlwn-b9ea557ee9b9c4e0446851d955c1283bd76a9ce8.tar.gz
lwn-b9ea557ee9b9c4e0446851d955c1283bd76a9ce8.zip
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>
Diffstat (limited to 'fs/file_table.c')
-rw-r--r--fs/file_table.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/file_table.c b/fs/file_table.c
index 72e861a35a7f..61517f57f8ef 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -233,12 +233,10 @@ static LLIST_HEAD(delayed_fput_list);
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)
@@ -312,7 +310,7 @@ 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);
@@ -331,4 +329,4 @@ 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);
-}
+}