lkml.org 
[lkml]   [2016]   [Feb]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH 0/4] introduce new put_getdisk() call
Date
Hello.

In this patchset in the first patch I fixed module reference leak inside
blk-cgroup.c. In other patches I switched to a new put_getdisk() call,
which should be used if the disk was received by get_disk() or get_gendisk()
functions, which internally increase module reference.

The idea is to avoid confusion in the future and to have symmetric calls:

alloc_disk() -> put_disk() [as it is done in all the block drivers]

and

get_gendisk() -> put_gendisk() [if you need to find a disk by minor,major]

The second sequence internally increases disk owner module reference on
get and decreases it on put.

Roman Pen (4):
block: fix module reference leak on put_disk() call for cgroups
throttle
block: introduce new call put_gendisk() in genhd.c
block,fs: switch to a new put_gendisk() call
hibernate: fix disk and module leak on successfull resume

block/blk-cgroup.c | 6 ++---
block/genhd.c | 59 +++++++++++++++++++++++++++++++++++++++++++++---
fs/block_dev.c | 24 ++++++--------------
include/linux/genhd.h | 1 +
kernel/power/hibernate.c | 5 +++-
5 files changed, 71 insertions(+), 24 deletions(-)

Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Gi-Oh Kim <gi-oh.kim@profitbricks.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Len Brown <len.brown@intel.com>
Cc: Ming Lei <tom.leiming@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: linux-block@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pm@vger.kernel.org

--
2.6.2

\
 
 \ /
  Last update: 2016-02-01 16:21    [W:0.091 / U:0.956 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site