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Illumos #1748: desire support for reguid in zfs

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Reviewed by: George Wilson <gwilson@zfsmail.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Alexander Eremin <alexander.eremin@nexenta.com>
Reviewed by: Alexander Stetsenko <ams@nexenta.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

References:
  https://www.illumos.org/issues/1748

This commit modifies the user to kernel space ioctl ABI.  Extra
care should be taken when updating to ensure both the kernel
modules and utilities are updated.  If only the user space
component is updated both the 'zpool events' command and the
'zpool reguid' command will not work until the kernel modules
are updated.

Ported by:     Martin Matuska <martin@matuska.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #665
This commit is contained in:
Garrett D'Amore
2011-11-11 14:07:54 -08:00
committed by Brian Behlendorf
parent ba9b5428fd
commit 3541dc6d02
15 changed files with 225 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/zfs_ioctl.c
+21 -1
View File
@@ -24,6 +24,10 @@
* Portions Copyright 2012 Pawel Jakub Dawidek <pawel@dawidek.net>
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2011 by Delphix. All rights reserved.
*/
#include <sys/types.h>
#include <sys/param.h>
@@ -1427,6 +1431,20 @@ zfs_ioc_pool_get_history(zfs_cmd_t *zc)
return (error);
}
static int
zfs_ioc_pool_reguid(zfs_cmd_t *zc)
{
spa_t *spa;
int error;
error = spa_open(zc->zc_name, &spa, FTAG);
if (error == 0) {
error = spa_change_guid(spa);
spa_close(spa, FTAG);
}
return (error);
}
static int
zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc)
{
@@ -4698,10 +4716,12 @@ static zfs_ioc_vec_t zfs_ioc_vec[] = {
B_FALSE, POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY },
{ zfs_ioc_obj_to_stats, zfs_secpolicy_diff, DATASET_NAME, B_FALSE,
POOL_CHECK_SUSPENDED },
{ zfs_ioc_pool_reguid, zfs_secpolicy_config, POOL_NAME, B_TRUE,
POOL_CHECK_SUSPENDED | POOL_CHECK_READONLY },
{ zfs_ioc_events_next, zfs_secpolicy_config, NO_NAME, B_FALSE,
POOL_CHECK_NONE },
{ zfs_ioc_events_clear, zfs_secpolicy_config, NO_NAME, B_FALSE,
POOL_CHECK_NONE },
POOL_CHECK_NONE }
};
int