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authorTejun Heo <tj@kernel.org>2012-04-13 13:11:29 -0700
committerJens Axboe <axboe@kernel.dk>2012-04-20 10:06:06 +0200
commitda8b066262e12d1d0a3b1e6d3486e500169bf730 (patch)
tree048eee7101b526017bbd295366bf2e95dd65e5a7 /block/blk-cgroup.h
parent8bd435b30ecacb69bbb8b2d3e251f770b807c5b2 (diff)
downloadlinux-da8b066262e12d1d0a3b1e6d3486e500169bf730.tar.bz2
blkcg: make blkg_conf_prep() take @pol and return with queue lock held
Add @pol to blkg_conf_prep() and let it return with queue lock held (to be released by blkg_conf_finish()). Note that @pol isn't used yet. This is to prepare for per-queue policy activation and doesn't cause any visible difference. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-cgroup.h')
-rw-r--r--block/blk-cgroup.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index be80d6eb6531..df1c7b290c22 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -128,7 +128,8 @@ struct blkg_conf_ctx {
u64 v;
};
-int blkg_conf_prep(struct blkio_cgroup *blkcg, const char *input,
+int blkg_conf_prep(struct blkio_cgroup *blkcg,
+ const struct blkio_policy_type *pol, const char *input,
struct blkg_conf_ctx *ctx);
void blkg_conf_finish(struct blkg_conf_ctx *ctx);