From patchwork Wed May 21 09:41:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Rajendra X-Patchwork-Id: 4215531 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1443BBEEAB for ; Wed, 21 May 2014 09:41:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4F0B520340 for ; Wed, 21 May 2014 09:41:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 760992026C for ; Wed, 21 May 2014 09:41:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751940AbaEUJlm (ORCPT ); Wed, 21 May 2014 05:41:42 -0400 Received: from e28smtp04.in.ibm.com ([122.248.162.4]:33920 "EHLO e28smtp04.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899AbaEUJlh (ORCPT ); Wed, 21 May 2014 05:41:37 -0400 Received: from /spool/local by e28smtp04.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 21 May 2014 15:11:35 +0530 Received: from d28dlp03.in.ibm.com (9.184.220.128) by e28smtp04.in.ibm.com (192.168.1.134) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 21 May 2014 15:11:33 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id CB0F0125804D for ; Wed, 21 May 2014 15:10:39 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay01.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s4L9fug346203050 for ; Wed, 21 May 2014 15:11:56 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s4L9fUM6018577 for ; Wed, 21 May 2014 15:11:31 +0530 Received: from localhost.in.ibm.com ([9.124.35.251]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s4L9fLuw017990; Wed, 21 May 2014 15:11:30 +0530 From: Chandan Rajendra To: linux-btrfs@vger.kernel.org, clm@fb.com, jbacik@fb.com Cc: Chandra Seetharaman , aneesh.kumar@linux.vnet.ibm.com, Chandan Rajendra Subject: [RFC PATCH 7/8] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE Date: Wed, 21 May 2014 15:11:17 +0530 Message-Id: <1400665278-4091-8-git-send-email-chandan@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1400665278-4091-1-git-send-email-chandan@linux.vnet.ibm.com> References: <1400665278-4091-1-git-send-email-chandan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14052109-5564-0000-0000-00000DCE1F31 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-7.5 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);