/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BTRFS_MESSAGES_H#define BTRFS_MESSAGES_H#include <linux/types.h>#include <linux/types.h>#include <linux/printk.h>#include <linux/bug.h>struct btrfs_fs_info;/* * We want to be able to override this in btrfs - progs . #ifdef __KERNEL__static inline __printf(2 , 3 ) __coldvoid btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...)#endif #ifdef CONFIG_PRINTK#define btrfs_printk(fs_info, fmt, args...) \## args)2 , 3 )void _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...);#else #define btrfs_printk(fs_info, fmt, args...) \## args)#endif /* * Print a message with filesystem info , enclosed in RCU protection . #define btrfs_crit(fs_info, fmt, args...) \## args)#define btrfs_err(fs_info, fmt, args...) \## args)#define btrfs_warn(fs_info, fmt, args...) \## args)#define btrfs_info(fs_info, fmt, args...) \## args)/* * Wrappers that use a ratelimited printk #define btrfs_crit_rl(fs_info, fmt, args...) \## args)#define btrfs_err_rl(fs_info, fmt, args...) \## args)#define btrfs_warn_rl(fs_info, fmt, args...) \## args)#define btrfs_info_rl(fs_info, fmt, args...) \## args)#if defined (CONFIG_DYNAMIC_DEBUG)#define btrfs_debug(fs_info, fmt, args...) \## args)#define btrfs_debug_rl(fs_info, fmt, args...) \## args)#elif defined (DEBUG)#define btrfs_debug(fs_info, fmt, args...) \## args)#define btrfs_debug_rl(fs_info, fmt, args...) \## args)#else /* When printk() is no_printk(), expand to no-op. */ #define btrfs_debug(fs_info, fmt, args...) do { (void )(fs_info); } while (0 )#define btrfs_debug_rl(fs_info, fmt, args...) do { (void )(fs_info); } while (0 )#endif #define btrfs_printk_in_rcu(fs_info, fmt, args...) \do { \## args); \while (0 )#define btrfs_printk_rl_in_rcu(fs_info, fmt, args...) \do { \static DEFINE_RATELIMIT_STATE(_rs, \if (__ratelimit(&_rs)) \## args); \while (0 )#ifdef CONFIG_BTRFS_ASSERT1 , 2 )static inline void verify_assert_printk_format(const char *fmt, ...) {/* Stub to verify the assertion format string. */ /* Take the first token if any. */ #define __FIRST_ARG(_, ...) _/* * Skip the first token and return the rest , if it ' s empty the comma is dropped . * As # # _ _ VA_ARGS__ cannot be at the beginning of the macro the _ _ VA_OPT__ is needed * and supported since GCC 8 and Clang 12 . #define __REST_ARGS(_, ... ) __VA_OPT__(,) __VA_ARGS__#if defined (CONFIG_CC_IS_CLANG) || GCC_VERSION >= 80000 /* * Assertion with optional printk ( ) format . * * Accepted syntax : * ASSERT ( condition ) ; * ASSERT ( condition , " string " ) ; * ASSERT ( condition , " variable = % d " , variable ) ; * * How it works : * - if there ' s no format string , " " [ 0 ] evaluates at compile time to 0 and the * true branch is executed * - any non - empty format string with the " " prefix evaluates to ! = 0 at * compile time and the false branch is executed * - stringified condition is printed as % s so we don ' t accidentally mix format * strings ( the % operator ) * - there can be only one printk ( ) call , so the format strings and arguments are * spliced together : * DEFAULT_FMT [ USER_FMT ] , DEFAULT_ARGS [ , USER_ARGS ] * - comma between DEFAULT_ARGS and USER_ARGS is handled by preprocessor * ( requires _ _ VA_OPT__ support ) * - otherwise we could use _ _ VA_OPT ( , ) _ _ VA_ARGS__ for the 2 nd + argument of args , #define ASSERT(cond, args...) \do { \"check the format string" args); \if (!likely(cond)) { \if (("" __FIRST_ARG(args) [0 ]) == 0 ) { \"assertion failed: %s :: %ld, in %s:%d\n" , \#cond , (long )(cond), __FILE__, __LINE__); \else { \"assertion failed: %s :: %ld, in %s:%d (" __FIRST_ARG(args) ")\n" , \#cond , (long )(cond), __FILE__, __LINE__ __REST_ARGS(args)); \while (0 )#else /* For GCC < 8.x only the simple output. */ #define ASSERT(cond, args...) \do { \"check the format string" args); \if (!likely(cond)) { \"assertion failed: %s :: %ld, in %s:%d\n" , \#cond , (long )(cond), __FILE__, __LINE__); \while (0 )#endif #else #define ASSERT(cond, args...) (void )(cond)#endif #ifdef CONFIG_BTRFS_DEBUG/* Verbose warning only under debug build. */ #define DEBUG_WARN(args...) WARN(1 , KERN_ERR args)#else #define DEBUG_WARN(...) do {} while (0 )#endif 5 , 6 )void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function,unsigned int line, int error, const char *fmt, ...);const char * __attribute_const__ btrfs_decode_error(int error);#define btrfs_handle_fs_error(fs_info, error, fmt, args...) \## args)5 , 6 )void __btrfs_panic(const struct btrfs_fs_info *fs_info, const char *function,unsigned int line, int error, const char *fmt, ...);/* * If BTRFS_MOUNT_PANIC_ON_FATAL_ERROR is in mount_opt , _ _ btrfs_panic * will panic ( ) . Otherwise we BUG ( ) here . #define btrfs_panic(fs_info, error, fmt, args...) \do { \## args); \while (0 )#if BITS_PER_LONG == 32 #define BTRFS_32BIT_MAX_FILE_SIZE (((u64)ULONG_MAX + 1 ) << PAGE_SHIFT)/* * The warning threshold is 5 / 8 th of the MAX_LFS_FILESIZE that limits the logical * addresses of extents . * * For 4 K page size it ' s about 10 T , for 64 K it ' s 160 T . #define BTRFS_32BIT_EARLY_WARN_THRESHOLD (BTRFS_32BIT_MAX_FILE_SIZE * 5 / 8 )void btrfs_warn_32bit_limit(struct btrfs_fs_info *fs_info);void btrfs_err_32bit_limit(struct btrfs_fs_info *fs_info);#endif #endif
Messung V0.5 in Prozent C=95 H=58 G=78
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-09-29)
¤ *© Formatika GbR, Deutschland
