From patchwork Mon Sep 8 14:14:18 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Rajendra X-Patchwork-Id: 4862801 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 EBD489F35F for ; Mon, 8 Sep 2014 14:16:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id C8F4720108 for ; Mon, 8 Sep 2014 14:16:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EEF0020145 for ; Mon, 8 Sep 2014 14:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754443AbaIHOQ0 (ORCPT ); Mon, 8 Sep 2014 10:16:26 -0400 Received: from e28smtp01.in.ibm.com ([122.248.162.1]:56787 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753988AbaIHOPL (ORCPT ); Mon, 8 Sep 2014 10:15:11 -0400 Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 8 Sep 2014 19:45:09 +0530 Received: from d28dlp01.in.ibm.com (9.184.220.126) by e28smtp01.in.ibm.com (192.168.1.131) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Mon, 8 Sep 2014 19:45:07 +0530 Received: from d28relay02.in.ibm.com (d28relay02.in.ibm.com [9.184.220.59]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 27F1AE0053 for ; Mon, 8 Sep 2014 19:47:31 +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 s88EFUBg58589344 for ; Mon, 8 Sep 2014 19:45:31 +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 s88EF3jk022872 for ; Mon, 8 Sep 2014 19:45:04 +0530 Received: from localhost.in.ibm.com ([9.79.195.64]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id s88EEuXE021927; Mon, 8 Sep 2014 19:45:03 +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 V6 07/15] Btrfs: subpagesize-blocksize: Allow mounting filesystems where sectorsize != PAGE_SIZE Date: Mon, 8 Sep 2014 19:44:18 +0530 Message-Id: <1410185666-23308-8-git-send-email-chandan@linux.vnet.ibm.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1410185666-23308-1-git-send-email-chandan@linux.vnet.ibm.com> References: <1410185666-23308-1-git-send-email-chandan@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14090814-4790-0000-0000-000003ACFDBC Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Spam-Status: No, score=-9.4 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 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);