Re: [PATCH block/for-4.5-fixes] writeback: keep superblock pinned during cgroup writeback association switches

From	Tejun Heo <tj@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH block/for-4.5-fixes] writeback: keep superblock pinned during cgroup writeback association switches
Date	2016-02-28 23:00 +0100
Message-ID	<r7hxF-o4-27@gated-at.bofh.it> (permalink)
References	(5 earlier) <r3ZGV-2hA-11@gated-at.bofh.it> <r40jE-2yF-1@gated-at.bofh.it> <r41fJ-3j1-19@gated-at.bofh.it> <r41z3-3I8-9@gated-at.bofh.it> <r41IK-3Oe-19@gated-at.bofh.it>
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Hello, Al.

On Fri, Feb 19, 2016 at 10:26:09PM +0000, Al Viro wrote:
> Is that code OK with e.g. running in parallel with remounting filesystem r/o?

AFAICS, yeah.  It doesn't care about the sb or filesystem at all.  All
it touches is generic inodes and their pages.

Thanks.

-- 
tejun

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Re: [PATCH block/for-4.5-fixes] writeback: keep superblock pinned  during cgroup writeback association switches Tejun Heo <tj@kernel.org> - 2016-02-28 23:00 +0100

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