39 lines
929 B
C
39 lines
929 B
C
#ifndef _FS_CEPH_DEBUG_H
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#define _FS_CEPH_DEBUG_H
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#ifdef CONFIG_CEPH_LIB_PRETTYDEBUG
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/*
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* wrap pr_debug to include a filename:lineno prefix on each line.
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* this incurs some overhead (kernel size and execution time) due to
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* the extra function call at each call site.
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*/
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# if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
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extern const char *ceph_file_part(const char *s, int len);
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# define dout(fmt, ...) \
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pr_debug("%.*s %12.12s:%-4d : " fmt, \
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8 - (int)sizeof(KBUILD_MODNAME), " ", \
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ceph_file_part(__FILE__, sizeof(__FILE__)), \
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__LINE__, ##__VA_ARGS__)
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# else
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/* faux printk call just to see any compiler warnings. */
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# define dout(fmt, ...) do { \
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if (0) \
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printk(KERN_DEBUG fmt, ##__VA_ARGS__); \
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} while (0)
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# endif
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#else
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/*
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* or, just wrap pr_debug
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*/
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# define dout(fmt, ...) pr_debug(" " fmt, ##__VA_ARGS__)
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#endif
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#endif
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