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5897f4d889
Make it a bit easier to include the fsid and rid in trace_printk messages when we're experimenting. Signed-off-by: Zach Brown <zab@versity.com>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#ifndef _SCOUTFS_MSG_H_
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#define _SCOUTFS_MSG_H_
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#include <linux/bitops.h>
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#include "key.h"
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#include "counters.h"
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#include "super.h"
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void __printf(4, 5) scoutfs_msg(struct super_block *sb, const char *prefix,
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const char *str, const char *fmt, ...);
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#define scoutfs_msg_check(sb, pref, str, fmt, args...) \
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do { \
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BUILD_BUG_ON(fmt[sizeof(fmt) - 2] == '\n'); \
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scoutfs_msg(sb, pref, str, fmt, ##args); \
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} while (0)
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#define scoutfs_err(sb, fmt, args...) \
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scoutfs_msg_check(sb, KERN_ERR, " error", fmt, ##args)
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#define scoutfs_warn(sb, fmt, args...) \
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scoutfs_msg_check(sb, KERN_WARNING, " warning", fmt, ##args)
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#define scoutfs_info(sb, fmt, args...) \
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scoutfs_msg_check(sb, KERN_INFO, "", fmt, ##args)
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#define scoutfs_tprintk(sb, fmt, args...) \
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trace_printk(SCSBF " " fmt "\n", SCSB_ARGS(sb), ##args);
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#define scoutfs_bug_on(sb, cond, fmt, args...) \
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do { \
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if (cond) { \
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scoutfs_err(sb, "(" __stringify(cond) "), " fmt, ##args); \
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BUG(); \
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} \
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} while (0) \
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/*
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* Each message is only generated once per volume. Remounting resets
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* the messages.
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*/
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#define scoutfs_corruption(sb, which, counter, fmt, args...) \
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do { \
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__typeof__(sb) _sb = (sb); \
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struct scoutfs_sb_info *_sbi = SCOUTFS_SB(_sb); \
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unsigned int _bit = (which); \
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\
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if (WARN_ON_ONCE(_bit >= SC_NR_SOURCES)) \
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break; \
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\
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scoutfs_inc_counter(_sb, counter); \
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if (!test_and_set_bit(_bit, _sbi->corruption_messages_once)) { \
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scoutfs_err(_sb, "corruption (see scoutfs-corruption(5)): " \
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#which ": " fmt, ##args); \
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dump_stack(); \
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} \
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} while (0) \
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#endif
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