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153 Commits

Author SHA1 Message Date
Vivek Goyal
2868ef7b39 blkio: Some debugging aids for CFQ 
o Some debugging aids for CFQ.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2009-12-03 19:28:52 +01:00
Vivek Goyal
b1c3576961 blkio: Take care of cgroup deletion and cfq group reference counting 
o One can choose to change elevator or delete a cgroup. Implement group
  reference counting so that both elevator exit and cgroup deletion can
  take place gracefully.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Nauman Rafique <nauman@google.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2009-12-03 19:28:52 +01:00
Vivek Goyal
31e4c28d95 blkio: Introduce blkio controller cgroup interface 
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>
 2009-12-03 19:28:51 +01:00