linux-kernel - [PATCH 09/10] blkcg: misc preparations for unified hierarchy interface

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1437763434-28699-10-git-send-email-tj@kernel.org>
Date:	Fri, 24 Jul 2015 14:43:53 -0400
From:	Tejun Heo <tj@...nel.org>
To:	axboe@...nel.dk
Cc:	vgoyal@...hat.com, linux-kernel@...r.kernel.org,
	avanzini.arianna@...il.com, kernel-team@...com, hannes@...xchg.org,
	lizefan@...wei.com, cgroups@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: [PATCH 09/10] blkcg: misc preparations for unified hierarchy interface

* Export blkg_dev_name()

* Drop unnecessary @cft from __cfq_set_weight().

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 block/blk-cgroup.c         | 3 ++-
 block/cfq-iosched.c        | 8 ++++----
 include/linux/blk-cgroup.h | 1 +
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 2ea3a2a..b9d511b 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
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index ea88d89..7a72301 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1788,8 +1788,8 @@ static ssize_t cfqg_set_leaf_weight_device(struct kernfs_open_file *of,
 	return __cfqg_set_weight_device(of, buf, nbytes, off, true);
 }
 
-static int __cfq_set_weight(struct cgroup_subsys_state *css, struct cftype *cft,
-			    u64 val, bool is_leaf_weight)
+static int __cfq_set_weight(struct cgroup_subsys_state *css, u64 val,
+			    bool is_leaf_weight)
 {
 	struct blkcg *blkcg = css_to_blkcg(css);
 	struct blkcg_gq *blkg;
@@ -1834,13 +1834,13 @@ static int __cfq_set_weight(struct cgroup_subsys_state *css, struct cftype *cft,
 static int cfq_set_weight(struct cgroup_subsys_state *css, struct cftype *cft,
 			  u64 val)
 {
-	return __cfq_set_weight(css, cft, val, false);
+	return __cfq_set_weight(css, val, false);
 }
 
 static int cfq_set_leaf_weight(struct cgroup_subsys_state *css,
 			       struct cftype *cft, u64 val)
 {
-	return __cfq_set_weight(css, cft, val, true);
+	return __cfq_set_weight(css, val, true);
 }
 
 static int cfqg_print_stat(struct seq_file *sf, void *v)
diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index 85a4d98..b270aef 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -182,6 +182,7 @@ int blkcg_activate_policy(struct request_queue *q,
 void blkcg_deactivate_policy(struct request_queue *q,
 			     const struct blkcg_policy *pol);
 
+const char *blkg_dev_name(struct blkcg_gq *blkg);
 void blkcg_print_blkgs(struct seq_file *sf, struct blkcg *blkcg,
 		       u64 (*prfill)(struct seq_file *,
 				     struct blkg_policy_data *, int),
-- 
2.4.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/