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dmsetup: use noflush with force removal

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When user specifies '--force' with remove/remove_all/wipe_table
use '--noflush --nolockfs' resume flags, so the operation
will not block when device underneath is blocked.
This commit is contained in:
Zdenek Kabelac 2015-09-18 14:35:52 +02:00
parent e0d915a873
commit 791e76ff70
2 changed files with 6 additions and 1 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.109 - Version 1.02.109 -
====================================== ======================================
Use --noflush and --nolockfs when removing device with --force.
Parse new Overflow status string for snapshot target. Parse new Overflow status string for snapshot target.
Check dir path components are valid if using dm_create_dir, error out if not. Check dir path components are valid if using dm_create_dir, error out if not.
Fix /dev/mapper handling to remove dangling entries if symlinks are found. Fix /dev/mapper handling to remove dangling entries if symlinks are found.

6
tools/dmsetup.c
View File

@ -1,6 +1,6 @@
/* /*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved. * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2012 Red Hat, Inc. All rights reserved. * Copyright (C) 2004-2015 Red Hat, Inc. All rights reserved.
* Copyright (C) 2005-2007 NEC Corporation * Copyright (C) 2005-2007 NEC Corporation
* *
* This file is part of the device-mapper userspace tools. * This file is part of the device-mapper userspace tools.
@ -1923,6 +1923,10 @@ static int _error_device(CMD_ARGS)
if (!_task_run(dmt)) if (!_task_run(dmt))
goto_bad; goto_bad;
if (_switches[FORCE_ARG])
/* Avoid hang on flushing with --force */
_switches[NOLOCKFS_ARG] = _switches[NOFLUSH_ARG] = 1;
if (!_simple(DM_DEVICE_RESUME, name, 0, 0)) { if (!_simple(DM_DEVICE_RESUME, name, 0, 0)) {
_simple(DM_DEVICE_CLEAR, name, 0, 0); _simple(DM_DEVICE_CLEAR, name, 0, 0);
goto_bad; goto_bad;