Convert simple loops over superblocks to list_for_each_entry_safe

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 3 insertions, 5 deletions

diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index 9cd4e4a70f56..42728a1f795f 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -35,11 +35,10 @@ static void drop_pagecache_sb(struct super_block *sb)
 
 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 @@ restart:
                         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);
 }