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Convert simple loops over superblocks to list_for_each_entry_safe

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2010-03-22 20:09:33 -04:00
parent 8edd64bd60
commit 6754af6464
4 changed files with 11 additions and 20 deletions
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8
fs/drop_caches.c
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@@ -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);
}