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OpenZFS 9236 - nuke spa_dbgmsg

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We should use zfs_dbgmsg instead of spa_dbgmsg. Or at least,
metaslab_condense() should call zfs_dbgmsg because it's important and
rare enough to always log. It's possible that the message in
zio_dva_allocate() would be too high-frequency for zfs_dbgmsg.

Authored by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Serapheim Dimitropoulos <serapheim.dimitro@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Richard Elling <Richard.Elling@RichardElling.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Approved by: Richard Lowe <richlowe@richlowe.net>
Ported-by: Giuseppe Di Natale <dinatale2@llnl.gov>

Patch Notes:
* Removed ZFS_DEBUG_SPA from zfs-module-parameters.5

OpenZFS-issue: https://www.illumos.org/issues/9236
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/cfaba7f668
Closes #7467
This commit is contained in:
Matthew Ahrens
2017-01-03 15:18:33 -08:00
committed by Brian Behlendorf
parent 089500e792
commit 964c2d69a9
8 changed files with 7 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/spa.h
-7
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@@ -1094,13 +1094,6 @@ _NOTE(CONSTCOND) } while (0)
#define dprintf_bp(bp, fmt, ...)
#endif
extern boolean_t spa_debug_enabled(spa_t *spa);
#define spa_dbgmsg(spa, ...) \
{ \
if (spa_debug_enabled(spa)) \
zfs_dbgmsg(__VA_ARGS__); \
}
extern int spa_mode_global; /* mode, e.g. FREAD | FWRITE */
extern int zfs_deadman_enabled;
extern unsigned long zfs_deadman_synctime_ms;
include/sys/spa_impl.h
-1
View File
@@ -306,7 +306,6 @@ struct spa {
kcondvar_t spa_suspend_cv; /* notification of resume */
zio_suspend_reason_t spa_suspended; /* pool is suspended */
uint8_t spa_claiming; /* pool is doing zil_claim() */
boolean_t spa_debug; /* debug enabled? */
boolean_t spa_is_root; /* pool is root */
int spa_minref; /* num refs when first opened */
int spa_mode; /* FREAD | FWRITE */
include/sys/zfs_debug.h
+2 -2
View File
@@ -20,7 +20,7 @@
*/
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2016 by Delphix. All rights reserved.
* Copyright (c) 2012, 2017 by Delphix. All rights reserved.
*/
#ifndef _SYS_ZFS_DEBUG_H
@@ -48,7 +48,7 @@ extern int zfs_dbgmsg_enable;
#define ZFS_DEBUG_DNODE_VERIFY (1 << 2)
#define ZFS_DEBUG_SNAPNAMES (1 << 3)
#define ZFS_DEBUG_MODIFY (1 << 4)
#define ZFS_DEBUG_SPA (1 << 5)
/* 1<<5 was previously used, try not to reuse */
#define ZFS_DEBUG_ZIO_FREE (1 << 6)
#define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7)
#define ZFS_DEBUG_METASLAB_VERIFY (1 << 8)