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authorBen Blum <bblum@andrew.cmu.edu>2010-03-10 18:22:11 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 18:52:36 -0500
commit67523c48aa74d5637848edeccf285af1c60bf14a (patch)
treeebd14992e210c8dfb503ae5fdffc1f5392ad52df /include/linux/iocontext.h
parent8ca712ea84728531d36841ca8f98f9e8680bcf4e (diff)
cgroups: blkio subsystem as module
Modify the Block I/O cgroup subsystem to be able to be built as a module. As the CFQ disk scheduler optionally depends on blk-cgroup, config options in block/Kconfig, block/Kconfig.iosched, and block/blk-cgroup.h are enhanced to support the new module dependency. Signed-off-by: Ben Blum <bblum@andrew.cmu.edu> Cc: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: Lai Jiangshan <laijs@cn.fujitsu.com> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/iocontext.h')
-rw-r--r--include/linux/iocontext.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1195a806fe0c..a0bb301afac0 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -42,7 +42,7 @@ struct io_context {
42 unsigned short ioprio; 42 unsigned short ioprio;
43 unsigned short ioprio_changed; 43 unsigned short ioprio_changed;
44 44
45#ifdef CONFIG_BLK_CGROUP 45#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
46 unsigned short cgroup_changed; 46 unsigned short cgroup_changed;
47#endif 47#endif
48 48