linux-kernel - [PATCH 1/7] blk-cgroup: Kill the header printed at the start of blkio.weight

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Date:	Wed, 15 Sep 2010 17:06:32 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	linux-kernel@...r.kernel.org, axboe@...nel.dk
Cc:	nauman@...gle.com, dpshah@...gle.com, guijianfeng@...fujitsu.com,
	vgoyal@...hat.com
Subject: [PATCH 1/7] blk-cgroup: Kill the header printed at the start of blkio.weight_device file

o Kill extra "dev weight" header which is printed when somebody reads
  blkio.weight_device file. This really seems to be out of convention. No other
  blkio files are printing any header at the start of file. I think it is ok
  to just print values and how to interpret values should be part of
  documentation.

Signed-off-by: Vivek Goyal <vgoyal@...hat.com>
---
 block/blk-cgroup.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 2fef1ef..e3d2506 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -811,8 +811,6 @@ static int blkiocg_weight_device_read(struct cgroup *cgrp, struct cftype *cft,
 	struct blkio_cgroup *blkcg;
 	struct blkio_policy_node *pn;
 
-	seq_printf(m, "dev\tweight\n");
-
 	blkcg = cgroup_to_blkio_cgroup(cgrp);
 	if (!list_empty(&blkcg->policy_list)) {
 		spin_lock_irq(&blkcg->lock);
-- 
1.7.2.3

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