MFV r296511: 6537 Panic on zpool scrub with DEBUG kernel

Reviewed by: Steve Gonczi <gonczi@comcast.net>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Matthew Ahrens <mahrens@delphix.com>
Author: Gary Mills <gary_mills@fastmail.fm>

illumos/illumos-gate@8c04a1fa3f
This commit is contained in:
Alexander Motin 2016-03-08 17:32:24 +00:00
commit 4427252c14

View File

@ -21,6 +21,7 @@
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright 2016 Gary Mills
*/
#include <sys/dsl_scan.h>
@ -1545,7 +1546,8 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx)
}
if (err != 0)
return;
if (!scn->scn_async_destroying && zfs_free_leak_on_eio &&
if (dp->dp_free_dir != NULL && !scn->scn_async_destroying &&
zfs_free_leak_on_eio &&
(dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes != 0 ||
dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes != 0 ||
dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes != 0)) {
@ -1571,7 +1573,7 @@ dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx)
-dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes,
-dsl_dir_phys(dp->dp_free_dir)->dd_uncompressed_bytes, tx);
}
if (!scn->scn_async_destroying) {
if (dp->dp_free_dir != NULL && !scn->scn_async_destroying) {
/* finished; verify that space accounting went to zero */
ASSERT0(dsl_dir_phys(dp->dp_free_dir)->dd_used_bytes);
ASSERT0(dsl_dir_phys(dp->dp_free_dir)->dd_compressed_bytes);