linux-kernel - Re: [PATCH 01/13] sysfs: Update sysfs_setxattr so it updates secdata under the sysfs

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Message-ID: <4AF4DB15.6080409@kernel.org>
Date:	Sat, 07 Nov 2009 11:27:33 +0900
From:	Tejun Heo <tj@...nel.org>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
CC:	Greg Kroah-Hartman <gregkh@...e.de>,
	Kay Sievers <kay.sievers@...y.org>, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	linux-fsdevel@...r.kernel.org,
	Eric Dumazet <eric.dumazet@...il.com>,
	Benjamin LaHaise <bcrl@...et.ca>,
	"Eric W. Biederman" <ebiederm@...stanetworks.com>
Subject: Re: [PATCH 01/13] sysfs: Update sysfs_setxattr so it updates secdata
 under the sysfs_mutex

Eric W. Biederman wrote:
> From: Eric W. Biederman <ebiederm@...stanetworks.com>
> 
> The sysfs_mutex is required to ensure updates are and will remain
> atomic with respect to other inode iattr updates, that do not happen
> through the filesystem.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>

Acked-by: Tejun Heo <tj@...nel.org>

-- 
tejun
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