From patchwork Wed Dec 10 13:14:09 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Rajendra X-Patchwork-Id: 5469031 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 0252C9F2E8 for ; Wed, 10 Dec 2014 13:15:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 315D92011D for ; Wed, 10 Dec 2014 13:15:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5995820115 for ; Wed, 10 Dec 2014 13:15:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756202AbaLJNPF (ORCPT ); Wed, 10 Dec 2014 08:15:05 -0500 Received: from e28smtp07.in.ibm.com ([122.248.162.7]:36106 "EHLO e28smtp07.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756103AbaLJNPA (ORCPT ); Wed, 10 Dec 2014 08:15:00 -0500 Received: from /spool/local by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 10 Dec 2014 18:44:58 +0530 Received: from d28dlp02.in.ibm.com (9.184.220.127) by e28smtp07.in.ibm.com (192.168.1.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Wed, 10 Dec 2014 18:44:56 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp02.in.ibm.com (Postfix) with ESMTP id B7D493940024 for ; Wed, 10 Dec 2014 18:44:55 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay02.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sBADEu5s63897806 for ; Wed, 10 Dec 2014 18:44:56 +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 sBADEeXw032252 for ; Wed, 10 Dec 2014 18:44:42 +0530 Received: from localhost.in.ibm.com ([9.79.202.242]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id sBADEXIa031689; Wed, 10 Dec 2014 18:44:38 +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@mykolab.com, Chandan Rajendra Subject: [RFC PATCH V10 07/19] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE Date: Wed, 10 Dec 2014 18:44:09 +0530 Message-Id: <1418217261-17273-8-git-send-email-chandan@linux.vnet.ibm.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1418217261-17273-1-git-send-email-chandan@linux.vnet.ibm.com> References: <1418217261-17273-1-git-send-email-chandan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14121013-0025-0000-0000-000002549143 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_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 6c6e8bb..2f3caaf 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2634,12 +2634,6 @@ 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);