Re: [PATCH] security/ima: use fs method to read integrity data

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To: Li Kun <hw.likun@xxxxxxxxxx>
Subject: Re: [PATCH] security/ima: use fs method to read integrity data
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Thu, 11 May 2017 01:59:47 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ima-devel@xxxxxxxxxxxxxxxxxxxxx, linux-security-module@xxxxxxxxxxxxxxx
In-reply-to: <479df139-b2e4-07f8-c7bc-ae6734856ee5@huawei.com>
User-agent: Mutt/1.8.0 (2017-02-23)

On Thu, May 11, 2017 at 08:34:18AM +0800, Li Kun wrote:
> Why we don't make some rules like"the fs should use nested i_rwsem in
> read_iter" instead?

What "nested i_rwsem"?

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- fix IMA deadlock
  - From: Christoph Hellwig
- [PATCH] security/ima: use fs method to read integrity data
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