block: include linux/err.h to use ERR_PTR

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Stephen Rothwell 2009-12-07 19:29:39 +11:00 committed by Jens Axboe
parent bb729bc98c
commit accee7854b

View File

@ -14,6 +14,7 @@
#include <linux/seq_file.h>
#include <linux/kdev_t.h>
#include <linux/module.h>
#include <linux/err.h>
#include "blk-cgroup.h"
static DEFINE_SPINLOCK(blkio_list_lock);