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authorTejun Heo <tj@kernel.org>2015-08-18 14:55:33 -0700
committerJens Axboe <axboe@fb.com>2015-08-18 15:49:18 -0700
commitdd165eb3bb4ef16bcdb75417add40633f38c52b8 (patch)
treea22ac531f2e8e95401ded9fbd34bbcf5a5cee834 /block/blk-cgroup.c
parent69948b070ee2bc3cc253e862cbe2bb09b173d7bd (diff)
downloadop-kernel-dev-dd165eb3bb4ef16bcdb75417add40633f38c52b8.zip
op-kernel-dev-dd165eb3bb4ef16bcdb75417add40633f38c52b8.tar.gz
blkcg: misc preparations for unified hierarchy interface
* Export blkg_dev_name() * Drop unnecessary @cft from __cfq_set_weight(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-cgroup.c')
-rw-r--r--block/blk-cgroup.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 8ee1ca4..b5e72d7 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -462,13 +462,14 @@ static int blkcg_reset_stats(struct cgroup_subsys_state *css,
return 0;
}
-static const char *blkg_dev_name(struct blkcg_gq *blkg)
+const char *blkg_dev_name(struct blkcg_gq *blkg)
{
/* some drivers (floppy) instantiate a queue w/o disk registered */
if (blkg->q->backing_dev_info.dev)
return dev_name(blkg->q->backing_dev_info.dev);
return NULL;
}
+EXPORT_SYMBOL_GPL(blkg_dev_name);
/**
* blkcg_print_blkgs - helper for printing per-blkg data
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