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authorVivek Goyal <vgoyal@redhat.com>2010-09-15 17:06:36 -0400
committerJens Axboe <jaxboe@fusionio.com>2010-09-16 08:42:58 +0200
commit7702e8f45b0a3bb262b9366c60beb5445758d94c (patch)
treebd61754827def804fe5a1f790f3eb303154df63d /block/blk-cgroup.h
parente43473b7f223ec866f7db273697e76c337c390f9 (diff)
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blk-cgroup: cgroup changes for IOPS limit support
o cgroup changes for IOPS throttling rules. Signed-off-by: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 1b738827b2f..2070053a30b 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -93,6 +93,8 @@ enum blkcg_file_name_prop {
enum blkcg_file_name_throtl {
BLKIO_THROTL_read_bps_device,
BLKIO_THROTL_write_bps_device,
+ BLKIO_THROTL_read_iops_device,
+ BLKIO_THROTL_write_iops_device,
BLKIO_THROTL_io_service_bytes,
BLKIO_THROTL_io_serviced,
};
@@ -168,6 +170,7 @@ struct blkio_policy_node {
* by file type "fileid".
*/
u64 bps;
+ unsigned int iops;
} val;
};
@@ -177,6 +180,10 @@ extern uint64_t blkcg_get_read_bps(struct blkio_cgroup *blkcg,
dev_t dev);
extern uint64_t blkcg_get_write_bps(struct blkio_cgroup *blkcg,
dev_t dev);
+extern unsigned int blkcg_get_read_iops(struct blkio_cgroup *blkcg,
+ dev_t dev);
+extern unsigned int blkcg_get_write_iops(struct blkio_cgroup *blkcg,
+ dev_t dev);
typedef void (blkio_unlink_group_fn) (void *key, struct blkio_group *blkg);
typedef void (blkio_update_group_weight_fn) (struct blkio_group *blkg,
@@ -185,12 +192,18 @@ typedef void (blkio_update_group_read_bps_fn) (struct blkio_group *blkg,
u64 read_bps);
typedef void (blkio_update_group_write_bps_fn) (struct blkio_group *blkg,
u64 write_bps);
+typedef void (blkio_update_group_read_iops_fn) (struct blkio_group *blkg,
+ unsigned int read_iops);
+typedef void (blkio_update_group_write_iops_fn) (struct blkio_group *blkg,
+ unsigned int write_iops);
struct blkio_policy_ops {
blkio_unlink_group_fn *blkio_unlink_group_fn;
blkio_update_group_weight_fn *blkio_update_group_weight_fn;
blkio_update_group_read_bps_fn *blkio_update_group_read_bps_fn;
blkio_update_group_write_bps_fn *blkio_update_group_write_bps_fn;
+ blkio_update_group_read_iops_fn *blkio_update_group_read_iops_fn;
+ blkio_update_group_write_iops_fn *blkio_update_group_write_iops_fn;
};
struct blkio_policy_type {