commit | 4e26445faad366d67d7723622bf6a60a6f0f5993 | [log] [tgz] |
---|---|---|
author | Li Zefan <lizefan@huawei.com> | Mon Jun 30 11:50:28 2014 +0800 |
committer | Tejun Heo <tj@kernel.org> | Mon Jun 30 10:16:25 2014 -0400 |
tree | c3e0f68527e2b094af5792e31e6ec0396d784308 | |
parent | 970317aa48c6ef66cd023c039c2650c897bad927 [diff] |
kernfs: introduce kernfs_pin_sb() kernfs_pin_sb() tries to get a refcnt of the superblock. This will be used by cgroupfs. v2: - make kernfs_pin_sb() return the superblock. - drop kernfs_drop_sb(). tj: Updated the comment a bit. [ This is a prerequisite for a bugfix. ] Cc: <stable@vger.kernel.org> # 3.15 Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Li Zefan <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>