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authorVivek Goyal <vgoyal@redhat.com>2009-12-03 12:59:42 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-12-03 19:28:51 +0100
commit31e4c28d95e64f2d5d3c497a3ecf37c62de635b4 (patch)
treeffbb99b2565c4bdd4921fd7077164e7fc295b2bc /include/linux/iocontext.h
parent1fa8f6d68b5c8ca0a608fd8d296c5f07ac788cd6 (diff)
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>
Diffstat (limited to 'include/linux/iocontext.h')
-rw-r--r--include/linux/iocontext.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index eb73632440f..d61b0b8b5cd 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -68,6 +68,10 @@ struct io_context {
unsigned short ioprio;
unsigned short ioprio_changed;
+#ifdef CONFIG_BLK_CGROUP
+ unsigned short cgroup_changed;
+#endif
+
/*
* For request batching
*/