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5e89181544
ZFS loves using %llu for uint64_t, but that requires a cast to not be noisy - which is even done in many, though not all, places. Also a couple places used %u for uint64_t, which were promoted to %llu. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Rich Ercolani <rincebrain@gmail.com> Closes #12233
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2012, 2019 by Delphix. All rights reserved.
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*/
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#ifndef _SYS_ZFS_DEBUG_H
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#define _SYS_ZFS_DEBUG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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extern int zfs_flags;
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extern int zfs_recover;
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extern int zfs_free_leak_on_eio;
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extern int zfs_dbgmsg_enable;
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#define ZFS_DEBUG_DPRINTF (1 << 0)
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#define ZFS_DEBUG_DBUF_VERIFY (1 << 1)
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#define ZFS_DEBUG_DNODE_VERIFY (1 << 2)
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#define ZFS_DEBUG_SNAPNAMES (1 << 3)
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#define ZFS_DEBUG_MODIFY (1 << 4)
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/* 1<<5 was previously used, try not to reuse */
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#define ZFS_DEBUG_ZIO_FREE (1 << 6)
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#define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7)
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#define ZFS_DEBUG_METASLAB_VERIFY (1 << 8)
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#define ZFS_DEBUG_SET_ERROR (1 << 9)
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#define ZFS_DEBUG_INDIRECT_REMAP (1 << 10)
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#define ZFS_DEBUG_TRIM (1 << 11)
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#define ZFS_DEBUG_LOG_SPACEMAP (1 << 12)
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#define ZFS_DEBUG_METASLAB_ALLOC (1 << 13)
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extern void __set_error(const char *file, const char *func, int line, int err);
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extern void __zfs_dbgmsg(char *buf);
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extern void __dprintf(boolean_t dprint, const char *file, const char *func,
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int line, const char *fmt, ...) __attribute__((format(printf, 5, 6)));
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/*
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* Some general principles for using zfs_dbgmsg():
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* 1. We don't want to pollute the log with typically-irrelevant messages,
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* so don't print too many messages in the "normal" code path - O(1)
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* per txg.
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* 2. We want to know for sure what happened, so make the message specific
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* (e.g. *which* thing am I operating on).
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* 3. Do print a message when something unusual or unexpected happens
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* (e.g. error cases).
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* 4. Print a message when making user-initiated on-disk changes.
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*
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* Note that besides principle 1, another reason that we don't want to
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* use zfs_dbgmsg in high-frequency routines is the potential impact
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* that it can have on performance.
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*/
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#define zfs_dbgmsg(...) \
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if (zfs_dbgmsg_enable) \
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__dprintf(B_FALSE, __FILE__, __func__, __LINE__, __VA_ARGS__)
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#ifdef ZFS_DEBUG
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/*
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* To enable this:
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*
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* $ echo 1 >/sys/module/zfs/parameters/zfs_flags
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*/
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#define dprintf(...) \
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if (zfs_flags & ZFS_DEBUG_DPRINTF) \
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__dprintf(B_TRUE, __FILE__, __func__, __LINE__, __VA_ARGS__)
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#else
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#define dprintf(...) ((void)0)
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#endif /* ZFS_DEBUG */
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extern void zfs_panic_recover(const char *fmt, ...);
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extern void zfs_dbgmsg_init(void);
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extern void zfs_dbgmsg_fini(void);
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#ifndef _KERNEL
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extern int dprintf_find_string(const char *string);
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extern void zfs_dbgmsg_print(const char *tag);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ZFS_DEBUG_H */
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