From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sujit Karataparambil Subject: Re: [PATCH] md linear: Protecting mddev with rcu locks to avoid races in Date: Wed, 17 Jun 2009 15:07:54 +0530 Message-ID: <921ca19c0906170237o79ba438dpbcaf00c9a4ab56b@mail.gmail.com> References: <37d33d830906060824u1bf71f1ej22efc3e8bbcaf2b9@mail.gmail.com> <18997.32786.206008.486995@notabene.brown> <37d33d830906162335j2dda043dn7e5c19d3b40de103@mail.gmail.com> <37d33d830906162346m725af61bg5356e2081f05ce74@mail.gmail.com> <921ca19c0906170102s2928dbbeqb76fc933f2ee60f7@mail.gmail.com> <37d33d830906170148l74d95cd9g90738dfd278361c7@mail.gmail.com> <921ca19c0906170214i2c70c2ebg7f59d525d9ba6307@mail.gmail.com> <37d33d830906170232s75421f5as2e6bbd9db1fe10ac@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <37d33d830906170232s75421f5as2e6bbd9db1fe10ac@mail.gmail.com> Sender: linux-raid-owner@vger.kernel.org To: SandeepKsinha Cc: Neil Brown , Linux RAID List-Id: linux-raid.ids Sorry what your patch claims is that the raid array can change the number of array's otherwise there is no need for an rcu. > What makes you think that md is static when you array itself can grow. > md contains information pertaining to the array it holds. This is what I saying my the md is built statically on top of the raid. -- -- Sujit K M