From: Jens Axboe <jens.axboe@oracle.com>
Date: Tue, 17 Oct 2006 17:50:36 +0000 (+0200)
Subject: [PATCH] Add lockless helpers for remove_suid()
X-Git-Tag: v2.6.19-rc3~32^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01de85e057328ecbef36e108673b1e81059d54c1;p=pandora-kernel.git

[PATCH] Add lockless helpers for remove_suid()

Right now users have to grab i_mutex before calling remove_suid(), in the
unlikely event that a call to ->setattr() may be needed. Split up the
function in two parts:

- One to check if we need to remove suid
- One to actually remove it

The first we can call lockless.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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