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7f747a0d73
Add log/debug_classes to lvm.conf to allow debug messages to be classified and filtered at runtime. The dm_errno field is only used by log_error(), so I've redefined it for log_debug() messages to hold the message class. By default, all existing messages appear, but we can add categories that generate high volumes of data, such as logging all traffic to/from lvmetad.
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _DM_LOGGING_H
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#define _DM_LOGGING_H
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#include "libdevmapper.h"
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extern dm_log_fn dm_log;
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extern dm_log_with_errno_fn dm_log_with_errno;
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#define LOG_MESG(l, f, ln, e, x...) \
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do { \
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if (dm_log_is_non_default()) \
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dm_log(l, f, ln, ## x); \
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else \
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dm_log_with_errno(l, f, ln, e, ## x); \
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} while (0)
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#define LOG_LINE(l, x...) LOG_MESG(l, __FILE__, __LINE__, 0, ## x)
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#define LOG_LINE_WITH_ERRNO(l, e, x...) LOG_MESG(l, __FILE__, __LINE__, e, ## x)
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/* Debug messages may have a type instead of an errno */
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#define LOG_LINE_WITH_CLASS(l, c, x...) LOG_MESG(l, __FILE__, __LINE__, c, ## x)
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#include "log.h"
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#endif
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