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cfq-iosched: fix compile problem with !CONFIG_CGROUP 

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2009-12-03 21:06:43 +01:00
parent 72f924f62a
commit 2f5ea47712
1 changed files with 10 additions and 0 deletions
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10
block/blk-cgroup.h
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@ -15,6 +15,8 @@
#include <linux/cgroup.h>
#ifdef CONFIG_BLK_CGROUP
struct blkio_cgroup {
struct cgroup_subsys_state css;
unsigned int weight;
@ -41,6 +43,13 @@ struct blkio_group {
unsigned long sectors;
};
#else
struct blkio_group {
};
#endif
#define BLKIO_WEIGHT_MIN 100
#define BLKIO_WEIGHT_MAX 1000
#define BLKIO_WEIGHT_DEFAULT 500
@ -69,6 +78,7 @@ extern struct blkio_group *blkiocg_lookup_group(struct blkio_cgroup *blkcg,
void blkiocg_update_blkio_group_stats(struct blkio_group *blkg,
unsigned long time, unsigned long sectors);
#else
struct cgroup;
static inline struct blkio_cgroup *
cgroup_to_blkio_cgroup(struct cgroup *cgroup) { return NULL; }