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authorVivek Goyal <vgoyal@redhat.com>2010-10-01 21:16:41 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-10-01 21:16:41 +0200
commit9355aede5a3c4975e0ba8bbfe2b9d1fd73308916 (patch)
tree73db212009de0e60d71d343b737d6a90449b06b8 /block/blk-cgroup.h
parent5e901a2b95db709c5e40599ff4df6029be1e2a12 (diff)
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blkio-throttle: limit max iops value to UINT_MAX
- Limit max iops value to UINT_MAX and return error to user if value is more than that instead of accepting bigger values and truncating implicitly. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 034c35562db..ea4861bdd54 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -20,6 +20,9 @@ enum blkio_policy_id {
BLKIO_POLICY_THROTL, /* Throttling */
};
+/* Max limits for throttle policy */
+#define THROTL_IOPS_MAX UINT_MAX
+
#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
#ifndef CONFIG_BLK_CGROUP