From: Tejun Heo <tj@kernel.org>
Date: Tue, 18 Aug 2015 21:55:33 +0000 (-0700)
Subject: blkcg: misc preparations for unified hierarchy interface
X-Git-Tag: omap-for-v4.3/fixes-rc1~35^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd165eb3bb4ef16bcdb75417add40633f38c52b8;p=pandora-kernel.git

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>
---

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 8ee1ca4d4f2f..b5e72d756be1 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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