From patchwork Fri Feb 28 09:26:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 11411865 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8EDE918E8 for ; Fri, 28 Feb 2020 09:27:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26FA1246AA for ; Fri, 28 Feb 2020 09:27:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726860AbgB1J1R (ORCPT ); Fri, 28 Feb 2020 04:27:17 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54774 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726536AbgB1J1R (ORCPT ); Fri, 28 Feb 2020 04:27:17 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 01S9Kqfb012516 for ; Fri, 28 Feb 2020 04:27:16 -0500 Received: from e06smtp01.uk.ibm.com (e06smtp01.uk.ibm.com [195.75.94.97]) by mx0b-001b2d01.pphosted.com with ESMTP id 2yepx4fm65-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 28 Feb 2020 04:27:15 -0500 Received: from localhost by e06smtp01.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 28 Feb 2020 09:27:13 -0000 Received: from b06avi18626390.portsmouth.uk.ibm.com (9.149.26.192) by e06smtp01.uk.ibm.com (192.168.101.131) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 28 Feb 2020 09:27:11 -0000 Received: from d06av24.portsmouth.uk.ibm.com (mk.ibm.com [9.149.105.60]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 01S9QCWW50200982 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 28 Feb 2020 09:26:13 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4A3E742047; Fri, 28 Feb 2020 09:27:10 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 87ACB4204D; Fri, 28 Feb 2020 09:27:07 +0000 (GMT) Received: from dhcp-9-199-158-200.in.ibm.com (unknown [9.199.158.200]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 28 Feb 2020 09:27:07 +0000 (GMT) From: Ritesh Harjani To: linux-ext4@vger.kernel.org Cc: jack@suse.cz, tytso@mit.edu, adilger.kernel@dilger.ca, linux-fsdevel@vger.kernel.org, darrick.wong@oracle.com, hch@infradead.org, cmaiolino@redhat.com, david@fromorbit.com, Ritesh Harjani Subject: [PATCHv5 1/6] ext4: Add IOMAP_F_MERGED for non-extent based mapping Date: Fri, 28 Feb 2020 14:56:54 +0530 X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 20022809-4275-0000-0000-000003A64903 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20022809-4276-0000-0000-000038BACC18 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-02-28_02:2020-02-26,2020-02-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=5 phishscore=0 priorityscore=1501 bulkscore=0 mlxlogscore=646 malwarescore=0 impostorscore=0 clxscore=1015 mlxscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002280078 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org IOMAP_F_MERGED needs to be set in case of non-extent based mapping. This is needed in later patches for conversion of ext4_fiemap to use iomap. Signed-off-by: Ritesh Harjani Reviewed-by: Jan Kara Reviewed-by: Darrick J. Wong --- fs/ext4/inode.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index d035acab5b2a..6cf3b969dc86 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3335,6 +3335,10 @@ static void ext4_set_iomap(struct inode *inode, struct iomap *iomap, iomap->offset = (u64) map->m_lblk << blkbits; iomap->length = (u64) map->m_len << blkbits; + if ((map->m_flags & EXT4_MAP_MAPPED) && + !ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) + iomap->flags |= IOMAP_F_MERGED; + /* * Flags passed to ext4_map_blocks() for direct I/O writes can result * in m_flags having both EXT4_MAP_MAPPED and EXT4_MAP_UNWRITTEN bits