From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 15/20] sysfs: Kill sysfs_addrm_start and sysfs_addrm_finish
Date: Thu, 21 May 2009 18:31:05 +0900
Message-ID: <4A151F59.7020304@kernel.org>
References: <m1bppofm9k.fsf@fess.ebiederm.org> <1242865694-2100-1-git-send-email-ebiederm@xmission.com> <1242865694-2100-2-git-send-email-ebiederm@xmission.com> <1242865694-2100-3-git-send-email-ebiederm@xmission.com> <1242865694-2100-4-git-send-email-ebiederm@xmission.com> <1242865694-2100-5-git-send-email-ebiederm@xmission.com> <1242865694-2100-6-git-send-email-ebiederm@xmission.com> <1242865694-2100-7-git-send-email-ebiederm@xmission.com> <1242865694-2100-8-git-send-email-ebiederm@xmission.com> <1242865694-2100-9-git-send-email-ebiederm@xmission.com> <1242865694-2100-10-git-send-email-ebiederm@xmission.com> <1242865694-2100-11-git-send-email-ebiederm@xmission.com> <1242865694-2100-12-git-send-email-ebiederm@xmission.com> <1242865694-2100-13-git-send-email-ebiederm@xmission.com> <1242865
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Cc: Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@suse.de>,
	linux-kernel@vger.kernel.org,
	Cornelia Huck <cornelia.huck@de.ibm.com>,
	linux-fsdevel@vger.kernel.org,
	"Eric W. Biederman" <ebiederm@aristanetworks.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
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Eric W. Biederman wrote:
> From: Eric W. Biederman <ebiederm@xmission.com>
> 
> With lazy inode updates and dentry operations bringing everything
> into sync on demand there is no longer any need to immediately
> update the vfs or grab i_mutex to protect those updates as we
> make changes to sysfs.
> 
> So stop updating the vfs inodes and move what remains of
> sysfs_addrm_start and sysfs_addrm_finsih (just barely more than taking
> the sysfs_mutex) into sysfs_add_one and sysfs_remove_one.
> 
> Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>

This looks so better than the original code.  :-)

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

-- 
tejun