From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B3961C04AB6 for ; Mon, 3 Jun 2019 09:05:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91E2427DEF for ; Mon, 3 Jun 2019 09:05:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727066AbfFCJFR (ORCPT ); Mon, 3 Jun 2019 05:05:17 -0400 Received: from mx2.suse.de ([195.135.220.15]:37948 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726555AbfFCJFQ (ORCPT ); Mon, 3 Jun 2019 05:05:16 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E7878AED7 for ; Mon, 3 Jun 2019 09:05:15 +0000 (UTC) From: Nikolay Borisov To: linux-btrfs@vger.kernel.org Cc: Nikolay Borisov Subject: [PATCH 1/3] btrfs: Introduce struct btrfs_io_geometry Date: Mon, 3 Jun 2019 12:05:03 +0300 Message-Id: <20190603090505.16800-2-nborisov@suse.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190603090505.16800-1-nborisov@suse.com> References: <20190603090505.16800-1-nborisov@suse.com> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Signed-off-by: Nikolay Borisov --- fs/btrfs/volumes.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index a7121d72388f..7c1ddf35b7d4 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -23,6 +23,15 @@ struct btrfs_pending_bios { struct bio *tail; }; +struct btrfs_io_geometry { + u64 len; /* remaining bytes in chunk */ + u64 offset; /* offset of logical address in chunk */ + u64 stripe_len; /* len of single io stripe */ + u64 stripe_nr; /* number of stripe where address falls */ + u64 stripe_offset; /* offset of stripe in chunk */ + u64 raid56_stripe_offset; /* offset of raid56 stripe into the chunk */ +}; + /* * Use sequence counter to get consistent device stat data on * 32-bit processors. -- 2.17.1