Convert simple loops over superblocks to list_for_each_entry_safe
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 9cd4e4a..42728a1 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -35,11 +35,10 @@
static void drop_pagecache(void)
{
- struct super_block *sb;
+ struct super_block *sb, *n;
spin_lock(&sb_lock);
-restart:
- list_for_each_entry(sb, &super_blocks, s_list) {
+ list_for_each_entry_safe(sb, n, &super_blocks, s_list) {
if (list_empty(&sb->s_instances))
continue;
sb->s_count++;
@@ -49,8 +48,7 @@
drop_pagecache_sb(sb);
up_read(&sb->s_umount);
spin_lock(&sb_lock);
- if (__put_super_and_need_restart(sb))
- goto restart;
+ __put_super(sb);
}
spin_unlock(&sb_lock);
}