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{
    "id": 810305,
    "url": "http://patchwork.ozlabs.org/api/patches/810305/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20170905223541.20594-4-ross.zwisler@linux.intel.com/",
    "project": {
        "id": 8,
        "url": "http://patchwork.ozlabs.org/api/projects/8/?format=api",
        "name": "Linux ext4 filesystem development",
        "link_name": "linux-ext4",
        "list_id": "linux-ext4.vger.kernel.org",
        "list_email": "linux-ext4@vger.kernel.org",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20170905223541.20594-4-ross.zwisler@linux.intel.com>",
    "list_archive_url": null,
    "date": "2017-09-05T22:35:35",
    "name": "[3/9] xfs: validate bdev support for DAX inode flag",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": true,
    "hash": "4c137f4d772743bd14f0baa85df059b1b87d6f02",
    "submitter": {
        "id": 46514,
        "url": "http://patchwork.ozlabs.org/api/people/46514/?format=api",
        "name": "Ross Zwisler",
        "email": "ross.zwisler@linux.intel.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20170905223541.20594-4-ross.zwisler@linux.intel.com/mbox/",
    "series": [
        {
            "id": 1660,
            "url": "http://patchwork.ozlabs.org/api/series/1660/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=1660",
            "date": "2017-09-05T22:35:36",
            "name": "add ext4 per-inode DAX flag",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/1660/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810305/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810305/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<linux-ext4-owner@vger.kernel.org>",
        "X-Original-To": "patchwork-incoming@ozlabs.org",
        "Delivered-To": "patchwork-incoming@ozlabs.org",
        "Authentication-Results": "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=linux-ext4-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xn1mz5Jfgz9sP3\n\tfor <patchwork-incoming@ozlabs.org>;\n\tWed,  6 Sep 2017 08:37:23 +1000 (AEST)",
            "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1754122AbdIEWgY (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tTue, 5 Sep 2017 18:36:24 -0400",
            "from mga01.intel.com ([192.55.52.88]:4505 \"EHLO mga01.intel.com\"\n\trhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP\n\tid S1753341AbdIEWgR (ORCPT <rfc822;linux-ext4@vger.kernel.org>);\n\tTue, 5 Sep 2017 18:36:17 -0400",
            "from fmsmga004.fm.intel.com ([10.253.24.48])\n\tby fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t05 Sep 2017 15:36:16 -0700",
            "from theros.lm.intel.com ([10.232.112.77])\n\tby fmsmga004.fm.intel.com with ESMTP; 05 Sep 2017 15:36:15 -0700"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.41,481,1498546800\"; d=\"scan'208\";a=\"308314871\"",
        "From": "Ross Zwisler <ross.zwisler@linux.intel.com>",
        "To": "Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org",
        "Cc": "Ross Zwisler <ross.zwisler@linux.intel.com>,\n\t\"Darrick J. Wong\" <darrick.wong@oracle.com>,\n\t\"Theodore Ts'o\" <tytso@mit.edu>,\n\tAndreas Dilger <adilger.kernel@dilger.ca>,\n\tChristoph Hellwig <hch@lst.de>, Dan Williams <dan.j.williams@intel.com>,\n\tDave Chinner <david@fromorbit.com>, Jan Kara <jack@suse.cz>,\n\tlinux-ext4@vger.kernel.org, linux-nvdimm@lists.01.org,\n\tlinux-xfs@vger.kernel.org, stable@vger.kernel.org",
        "Subject": "[PATCH 3/9] xfs: validate bdev support for DAX inode flag",
        "Date": "Tue,  5 Sep 2017 16:35:35 -0600",
        "Message-Id": "<20170905223541.20594-4-ross.zwisler@linux.intel.com>",
        "X-Mailer": "git-send-email 2.9.5",
        "In-Reply-To": "<20170905223541.20594-1-ross.zwisler@linux.intel.com>",
        "References": "<20170905223541.20594-1-ross.zwisler@linux.intel.com>",
        "Sender": "linux-ext4-owner@vger.kernel.org",
        "Precedence": "bulk",
        "List-ID": "<linux-ext4.vger.kernel.org>",
        "X-Mailing-List": "linux-ext4@vger.kernel.org"
    },
    "content": "Currently only the blocksize is checked, but we should really be calling\nbdev_dax_supported() which also tests to make sure we can get a\nstruct dax_device and that the dax_direct_access() path is working.\n\nThis is the same check that we do for the \"-o dax\" mount option in\nxfs_fs_fill_super().\n\nSigned-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>\nCC: stable@vger.kernel.org\n---\n fs/xfs/xfs_ioctl.c | 3 ++-\n 1 file changed, 2 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c\nindex 8155ddc..dac195d 100644\n--- a/fs/xfs/xfs_ioctl.c\n+++ b/fs/xfs/xfs_ioctl.c\n@@ -1075,6 +1075,7 @@ xfs_ioctl_setattr_dax_invalidate(\n \tint\t\t\t*join_flags)\n {\n \tstruct inode\t\t*inode = VFS_I(ip);\n+\tstruct super_block\t*sb = inode->i_sb;\n \tint\t\t\terror;\n \n \t*join_flags = 0;\n@@ -1087,7 +1088,7 @@ xfs_ioctl_setattr_dax_invalidate(\n \tif (fa->fsx_xflags & FS_XFLAG_DAX) {\n \t\tif (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode)))\n \t\t\treturn -EINVAL;\n-\t\tif (ip->i_mount->m_sb.sb_blocksize != PAGE_SIZE)\n+\t\tif (bdev_dax_supported(sb, sb->s_blocksize) < 0)\n \t\t\treturn -EINVAL;\n \t}\n \n",
    "prefixes": [
        "3/9"
    ]
}