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-rw-r--r--Documentation/cgroups/blkio-controller.txt18
1 files changed, 9 insertions, 9 deletions
diff --git a/Documentation/cgroups/blkio-controller.txt b/Documentation/cgroups/blkio-controller.txt
index 84f0a15..b4b1fb3 100644
--- a/Documentation/cgroups/blkio-controller.txt
+++ b/Documentation/cgroups/blkio-controller.txt
@@ -94,11 +94,11 @@ Throttling/Upper Limit policy
Hierarchical Cgroups
====================
-- Currently none of the IO control policy supports hierarhical groups. But
- cgroup interface does allow creation of hierarhical cgroups and internally
+- Currently none of the IO control policy supports hierarchical groups. But
+ cgroup interface does allow creation of hierarchical cgroups and internally
IO policies treat them as flat hierarchy.
- So this patch will allow creation of cgroup hierarhcy but at the backend
+ So this patch will allow creation of cgroup hierarchcy but at the backend
everything will be treated as flat. So if somebody created a hierarchy like
as follows.
@@ -266,7 +266,7 @@ Proportional weight policy files
- blkio.idle_time
- Debugging aid only enabled if CONFIG_DEBUG_BLK_CGROUP=y.
This is the amount of time spent by the IO scheduler idling for a
- given cgroup in anticipation of a better request than the exising ones
+ given cgroup in anticipation of a better request than the existing ones
from other queues/cgroups. This is in nanoseconds. If this is read
when the cgroup is in an idling state, the stat will only report the
idle_time accumulated till the last idle period and will not include
@@ -283,34 +283,34 @@ Throttling/Upper limit policy files
-----------------------------------
- blkio.throttle.read_bps_device
- Specifies upper limit on READ rate from the device. IO rate is
- specified in bytes per second. Rules are per deivce. Following is
+ specified in bytes per second. Rules are per device. Following is
the format.
echo "<major>:<minor> <rate_bytes_per_second>" > /cgrp/blkio.throttle.read_bps_device
- blkio.throttle.write_bps_device
- Specifies upper limit on WRITE rate to the device. IO rate is
- specified in bytes per second. Rules are per deivce. Following is
+ specified in bytes per second. Rules are per device. Following is
the format.
echo "<major>:<minor> <rate_bytes_per_second>" > /cgrp/blkio.throttle.write_bps_device
- blkio.throttle.read_iops_device
- Specifies upper limit on READ rate from the device. IO rate is
- specified in IO per second. Rules are per deivce. Following is
+ specified in IO per second. Rules are per device. Following is
the format.
echo "<major>:<minor> <rate_io_per_second>" > /cgrp/blkio.throttle.read_iops_device
- blkio.throttle.write_iops_device
- Specifies upper limit on WRITE rate to the device. IO rate is
- specified in io per second. Rules are per deivce. Following is
+ specified in io per second. Rules are per device. Following is
the format.
echo "<major>:<minor> <rate_io_per_second>" > /cgrp/blkio.throttle.write_iops_device
Note: If both BW and IOPS rules are specified for a device, then IO is
- subjectd to both the constraints.
+ subjected to both the constraints.
- blkio.throttle.io_serviced
- Number of IOs (bio) completed to/from the disk by the group (as