From patchwork Tue Jul 29 11:13:42 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Rajendra X-Patchwork-Id: 4639841 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 90E2B9F380 for ; Tue, 29 Jul 2014 11:14:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CC77220158 for ; Tue, 29 Jul 2014 11:14:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EC0172014A for ; Tue, 29 Jul 2014 11:14:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753349AbaG2LOq (ORCPT ); Tue, 29 Jul 2014 07:14:46 -0400 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:52221 "EHLO e28smtp04.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753047AbaG2LOY (ORCPT ); Tue, 29 Jul 2014 07:14:24 -0400 Received: from /spool/local by e28smtp04.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 29 Jul 2014 16:44:22 +0530 Received: from d28dlp01.in.ibm.com (9.184.220.126) by e28smtp04.in.ibm.com (192.168.1.134) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 29 Jul 2014 16:44:21 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 6E603E004B for ; Tue, 29 Jul 2014 16:46:06 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay02.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s6TBEMgN60489970 for ; Tue, 29 Jul 2014 16:44:22 +0530 Received: from d28av04.in.ibm.com (localhost [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s6TBEJCE013121 for ; Tue, 29 Jul 2014 16:44:20 +0530 Received: from localhost.in.ibm.com ([9.79.214.228]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s6TBE6Zc012567; Tue, 29 Jul 2014 16:44:19 +0530 From: Chandan Rajendra To: clm@fb.com, jbacik@fb.com, bo.li.liu@oracle.com, dsterba@suse.cz Cc: Chandra Seetharaman , aneesh.kumar@linux.vnet.ibm.com, linux-btrfs@vger.kernel.org, Chandan Rajendra Subject: [RFC PATCH V5 07/12] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE Date: Tue, 29 Jul 2014 16:43:42 +0530 Message-Id: <1406632427-2209-8-git-send-email-chandan@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1406632427-2209-1-git-send-email-chandan@linux.vnet.ibm.com> References: <1406632427-2209-1-git-send-email-chandan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14072911-5564-0000-0000-00000054B508 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Chandra Seetharaman This patch allows mounting filesystems with blocksize smaller than the PAGE_SIZE. Signed-off-by: Chandra Seetharaman Signed-off-by: Chandan Rajendra --- fs/btrfs/disk-io.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 28a45f6..3bb7072 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2599,12 +2599,6 @@ int open_ctree(struct super_block *sb, goto fail_sb_buffer; } - if (sectorsize != PAGE_SIZE) { - printk(KERN_WARNING "BTRFS: Incompatible sector size(%lu) " - "found on %s\n", (unsigned long)sectorsize, sb->s_id); - goto fail_sb_buffer; - } - mutex_lock(&fs_info->chunk_mutex); ret = btrfs_read_sys_array(tree_root); mutex_unlock(&fs_info->chunk_mutex);