mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-11-17 10:01:01 +03:00
c99c90015e
3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first
argument is zero
Reviewed by Matt Ahrens <matthew.ahrens@delphix.com>
Reviewed by George Wilson <george.wilson@delphix.com>
Approved by Eric Schrock <eric.schrock@delphix.com>
References:
illumos/illumos-gate@fb09f5aad4
https://illumos.org/issues/3006
Requires:
zfsonlinux/spl@1c6d149feb
Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1509
85 lines
2.3 KiB
C
85 lines
2.3 KiB
C
/*
|
|
* CDDL HEADER START
|
|
*
|
|
* The contents of this file are subject to the terms of the
|
|
* Common Development and Distribution License (the "License").
|
|
* You may not use this file except in compliance with the License.
|
|
*
|
|
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
|
* or http://www.opensolaris.org/os/licensing.
|
|
* See the License for the specific language governing permissions
|
|
* and limitations under the License.
|
|
*
|
|
* When distributing Covered Code, include this CDDL HEADER in each
|
|
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
|
* If applicable, add the following below this CDDL HEADER, with the
|
|
* fields enclosed by brackets "[]" replaced with your own identifying
|
|
* information: Portions Copyright [yyyy] [name of copyright owner]
|
|
*
|
|
* CDDL HEADER END
|
|
*/
|
|
/*
|
|
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
|
|
* Copyright (c) 2012 by Delphix. All rights reserved.
|
|
*/
|
|
|
|
#include <sys/zfs_context.h>
|
|
|
|
/*
|
|
* Enable various debugging features.
|
|
*/
|
|
int zfs_flags = 0;
|
|
|
|
/*
|
|
* zfs_recover can be set to nonzero to attempt to recover from
|
|
* otherwise-fatal errors, typically caused by on-disk corruption. When
|
|
* set, calls to zfs_panic_recover() will turn into warning messages.
|
|
*/
|
|
int zfs_recover = 0;
|
|
|
|
|
|
void
|
|
zfs_panic_recover(const char *fmt, ...)
|
|
{
|
|
va_list adx;
|
|
|
|
va_start(adx, fmt);
|
|
vcmn_err(zfs_recover ? CE_WARN : CE_PANIC, fmt, adx);
|
|
va_end(adx);
|
|
}
|
|
|
|
/*
|
|
* Debug logging is enabled by default for production kernel builds.
|
|
* The overhead for this is negligible and the logs can be valuable when
|
|
* debugging. For non-production user space builds all debugging except
|
|
* logging is enabled since performance is no longer a concern.
|
|
*/
|
|
void
|
|
zfs_dbgmsg_init(void)
|
|
{
|
|
if (zfs_flags == 0) {
|
|
#if defined(_KERNEL)
|
|
zfs_flags = ZFS_DEBUG_DPRINTF;
|
|
spl_debug_set_mask(spl_debug_get_mask() | SD_DPRINTF);
|
|
spl_debug_set_subsys(spl_debug_get_subsys() | SS_USER1);
|
|
#else
|
|
zfs_flags = ~ZFS_DEBUG_DPRINTF;
|
|
#endif /* _KERNEL */
|
|
}
|
|
}
|
|
|
|
void
|
|
zfs_dbgmsg_fini(void)
|
|
{
|
|
return;
|
|
}
|
|
|
|
|
|
#if defined(_KERNEL)
|
|
module_param(zfs_flags, int, 0644);
|
|
MODULE_PARM_DESC(zfs_flags, "Set additional debugging flags");
|
|
|
|
module_param(zfs_recover, int, 0644);
|
|
MODULE_PARM_DESC(zfs_recover, "Set to attempt to recover from fatal errors");
|
|
#endif /* _KERNEL */
|