Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina: "It's indeed trivial -- mostly documentation updates and a bunch of typo fixes from Masanari. There are also several linux/version.h include removals from Jesper." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits) kcore: fix spelling in read_kcore() comment constify struct pci_dev * in obvious cases Revert "char: Fix typo in viotape.c" init: fix wording error in mm_init comment usb: gadget: Kconfig: fix typo for 'different' Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c" writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header writeback: fix typo in the writeback_control comment Documentation: Fix multiple typo in Documentation tpm_tis: fix tis_lock with respect to RCU Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c" Doc: Update numastat.txt qla4xxx: Add missing spaces to error messages compiler.h: Fix typo security: struct security_operations kerneldoc fix Documentation: broken URL in libata.tmpl Documentation: broken URL in filesystems.tmpl mtd: simplify return logic in do_map_probe() mm: fix comment typo of truncate_inode_pages_range power: bq27x00: Fix typos in comment ...
This commit is contained in:
@@ -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
|
||||
|
Reference in New Issue
Block a user