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blkio: Introduce blkio controller cgroup interface

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o This is basic implementation of blkio controller cgroup interface. This is
  the common interface visible to user space and should be used by different
  IO control policies as we implement those.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Vivek Goyal
2009-12-03 12:59:42 -05:00
committed by Jens Axboe
parent 1fa8f6d68b
commit 31e4c28d95
7 changed files with 260 additions and 0 deletions
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13
block/Kconfig
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@@ -77,6 +77,19 @@ config BLK_DEV_INTEGRITY
T10/SCSI Data Integrity Field or the T13/ATA External Path
Protection. If in doubt, say N.
config BLK_CGROUP
bool
depends on CGROUPS
default n
---help---
Generic block IO controller cgroup interface. This is the common
cgroup interface which should be used by various IO controlling
policies.
Currently, CFQ IO scheduler uses it to recognize task groups and
control disk bandwidth allocation (proportional time slice allocation)
to such task groups.
endif # BLOCK
config BLOCK_COMPAT