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https://github.com/versity/scoutfs.git
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92ac132873
Silence another error warning and assertion that's assuming that the result of the errors is going to be persistent. When we're forcing an unmount we've severed storage and networking. Signed-off-by: Zach Brown <zab@versity.com>
66 lines
1.8 KiB
C
66 lines
1.8 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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#define scoutfs_bug_on_err(sb, err, fmt, args...) \
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do { \
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__typeof__(err) _err = (err); \
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scoutfs_bug_on(sb, _err < 0 && _err != -ENOLINK, fmt, ##args); \
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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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