From patchwork Mon Jan 4 18:20:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Williams X-Patchwork-Id: 7949791 Return-Path: X-Original-To: patchwork-linux-block@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BC5A29F6CD for ; Mon, 4 Jan 2016 18:20:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DE495202B4 for ; Mon, 4 Jan 2016 18:20:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DCDE7202B8 for ; Mon, 4 Jan 2016 18:20:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751933AbcADSUi (ORCPT ); Mon, 4 Jan 2016 13:20:38 -0500 Received: from mga09.intel.com ([134.134.136.24]:40816 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751415AbcADSUi (ORCPT ); Mon, 4 Jan 2016 13:20:38 -0500 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP; 04 Jan 2016 10:20:37 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,521,1444719600"; d="scan'208";a="874409453" Received: from dwillia2-desk3.jf.intel.com (HELO dwillia2-desk3.amr.corp.intel.com) ([10.54.39.136]) by fmsmga001.fm.intel.com with ESMTP; 04 Jan 2016 10:20:37 -0800 Subject: [resend PATCH 2/3] xfs: handle shutdown notifications From: Dan Williams To: xfs@oss.sgi.com Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, Dave Chinner , linux-nvdimm@lists.01.org Date: Mon, 04 Jan 2016 10:20:11 -0800 Message-ID: <20160104182011.24118.30446.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <20160104181220.24118.96661.stgit@dwillia2-desk3.amr.corp.intel.com> References: <20160104181220.24118.96661.stgit@dwillia2-desk3.amr.corp.intel.com> User-Agent: StGit/0.17.1-9-g687f MIME-Version: 1.0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Spam-Status: No, score=-6.9 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 Force a filesystem shutdown when the backing device is known to be dead. I.e. blk_queue_enter() permanently returns -ENODEV. Cc: xfs@oss.sgi.com Suggested-by: Dave Chinner Signed-off-by: Dan Williams --- fs/block_dev.c | 3 ++- fs/xfs/xfs_super.c | 9 +++++++++ include/linux/fs.h | 2 ++ 3 files changed, 13 insertions(+), 1 deletion(-) -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/fs/block_dev.c b/fs/block_dev.c index 739e43a37e64..7d6c66148948 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -1806,7 +1806,7 @@ int __invalidate_device(struct block_device *bdev, bool kill_dirty) } EXPORT_SYMBOL(__invalidate_device); -static void generic_bdi_gone(struct super_block *sb) +void generic_bdi_gone(struct super_block *sb) { struct inode *inode, *_inode = NULL; @@ -1832,6 +1832,7 @@ static void generic_bdi_gone(struct super_block *sb) spin_unlock(&sb->s_inode_list_lock); iput(_inode); } +EXPORT_SYMBOL(generic_bdi_gone); void shutdown_partition(struct gendisk *disk, int partno) { diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 36bd8825bfb0..63c36508e9db 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1618,6 +1618,14 @@ xfs_fs_free_cached_objects( return xfs_reclaim_inodes_nr(XFS_M(sb), sc->nr_to_scan); } +static void +xfs_fs_bdi_gone( + struct super_block *sb) +{ + xfs_force_shutdown(XFS_M(sb), SHUTDOWN_DEVICE_REQ); + generic_bdi_gone(sb); +} + static const struct super_operations xfs_super_operations = { .alloc_inode = xfs_fs_alloc_inode, .destroy_inode = xfs_fs_destroy_inode, @@ -1632,6 +1640,7 @@ static const struct super_operations xfs_super_operations = { .show_options = xfs_fs_show_options, .nr_cached_objects = xfs_fs_nr_cached_objects, .free_cached_objects = xfs_fs_free_cached_objects, + .bdi_gone = xfs_fs_bdi_gone, }; static struct file_system_type xfs_fs_type = { diff --git a/include/linux/fs.h b/include/linux/fs.h index 0e201ed38045..b1e8e049e4b8 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2265,6 +2265,7 @@ extern struct super_block *freeze_bdev(struct block_device *); extern void emergency_thaw_all(void); extern int thaw_bdev(struct block_device *bdev, struct super_block *sb); extern int fsync_bdev(struct block_device *); +extern void generic_bdi_gone(struct super_block *sb); extern struct super_block *blockdev_superblock; @@ -2277,6 +2278,7 @@ static inline void bd_forget(struct inode *inode) {} static inline int sync_blockdev(struct block_device *bdev) { return 0; } static inline void kill_bdev(struct block_device *bdev) {} static inline void invalidate_bdev(struct block_device *bdev) {} +static inline void generic_bdi_gone(struct super_block *sb) {} static inline struct super_block *freeze_bdev(struct block_device *sb) {