From mboxrd@z Thu Jan  1 00:00:00 1970
From: Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH v2 1/5] fs: rework getname_kernel to handle up to PATH_MAX
 sized filenames
Date: Thu, 22 Jan 2015 08:56:50 -0800
Message-ID: <54C12BD2.7040705@roeck-us.net>
References: <20150122045303.1347.98054.stgit@localhost> <20150122045956.1347.11508.stgit@localhost> <20150122155316.GH18752@madcap2.tricolour.ca>
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Cc: linux-fsdevel@vger.kernel.org, linux-audit@redhat.com,
	sd@queasysnail.net, linux-kernel@vger.kernel.org,
	viro@zeniv.linux.org.uk
To: Richard Guy Briggs <rgb@redhat.com>, Paul Moore <pmoore@redhat.com>
Return-path: <linux-kernel-owner@vger.kernel.org>
In-Reply-To: <20150122155316.GH18752@madcap2.tricolour.ca>
Sender: linux-kernel-owner@vger.kernel.org
List-Id: linux-fsdevel.vger.kernel.org

On 01/22/2015 07:53 AM, Richard Guy Briggs wrote:
> On 15/01/21, Paul Moore wrote:
>> In preparation for expanded use in the kernel, make getname_kernel()
>> more useful by allowing it to handle any legal filename length.
>>
>> Thanks to Guenter Roeck for his suggestion to substitute memcpy() for
>> strlcpy().
>>
>> CC: linux@roeck-us.net
>> CC: viro@zeniv.linux.org.uk
>> CC: linux-fsdevel@vger.kernel.org
>> Signed-off-by: Paul Moore <pmoore@redhat.com>
>
> Noted memcpy() difference (I assume to avoid races).
>

It is more efficient to use memcpy if the string length is known.

Guenter