From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: md: md6_raid5 crash 2.6.20 Date: Mon, 12 Feb 2007 11:15:38 +1100 Message-ID: <17871.45482.186152.158022@notabene.brown> References: <20070211071527.M31642@liquid-nexus.net> <17871.37497.786198.834303@notabene.brown> <20070212000042.M73586@liquid-nexus.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: message from Marc Marais on Monday February 12 Sender: linux-raid-owner@vger.kernel.org To: Marc Marais Cc: linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-raid.ids On Monday February 12, marcm@liquid-nexus.net wrote: > > Thanks for the quick response Neil unfortunately the kernel doesn't build with > this patch due to a missing symbol: > > WARNING: "blk_recount_segments" [drivers/md/raid456.ko] undefined! > > Is that in another file that needs patching or within raid5.c? Yes. I keep forgetting about that bit. Sorry. diff -puN block/ll_rw_blk.c~md-fix-various-bugs-with-aligned-reads-in-raid5-fix block/ll_rw_blk.c --- a/block/ll_rw_blk.c~md-fix-various-bugs-with-aligned-reads-in-raid5-fix +++ a/block/ll_rw_blk.c @@ -1264,7 +1264,7 @@ new_hw_segment: bio->bi_hw_segments = nr_hw_segs; bio->bi_flags |= (1 << BIO_SEG_VALID); } - +EXPORT_SYMBOL(blk_recount_segments); static int blk_phys_contig_segment(request_queue_t *q, struct bio *bio, struct bio *nxt) _