| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Josef Whiter | 484 | 50.31% | 4 | 12.50% |
| Qu Wenruo | 192 | 19.96% | 3 | 9.38% |
| David Sterba | 121 | 12.58% | 12 | 37.50% |
| Jeff Mahoney | 72 | 7.48% | 1 | 3.12% |
| Liu Bo | 32 | 3.33% | 1 | 3.12% |
| Joe Perches | 27 | 2.81% | 1 | 3.12% |
| Chris Mason | 11 | 1.14% | 2 | 6.25% |
| Naohiro Aota | 10 | 1.04% | 2 | 6.25% |
| Zheng Yan | 5 | 0.52% | 1 | 3.12% |
| Jonathan Lassoff | 2 | 0.21% | 1 | 3.12% |
| Arnd Bergmann | 2 | 0.21% | 1 | 3.12% |
| Anand Jain | 2 | 0.21% | 1 | 3.12% |
| Eric Sandeen | 1 | 0.10% | 1 | 3.12% |
| Simon Kirby | 1 | 0.10% | 1 | 3.12% |
| Total | 962 | 32 |
/* 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) __cold void btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) { } #endif #ifdef CONFIG_PRINTK #define btrfs_printk(fs_info, fmt, args...) \ _btrfs_printk(fs_info, fmt, ##args) __printf(2, 3) __cold void _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...); #else #define btrfs_printk(fs_info, fmt, args...) \ btrfs_no_printk(fs_info, fmt, ##args) #endif #define btrfs_emerg(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_EMERG fmt, ##args) #define btrfs_alert(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_ALERT fmt, ##args) #define btrfs_crit(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_CRIT fmt, ##args) #define btrfs_err(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_ERR fmt, ##args) #define btrfs_warn(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_WARNING fmt, ##args) #define btrfs_notice(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_INFO fmt, ##args) /* * Wrappers that use printk_in_rcu */ #define btrfs_emerg_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_EMERG fmt, ##args) #define btrfs_alert_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_ALERT fmt, ##args) #define btrfs_crit_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_CRIT fmt, ##args) #define btrfs_err_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_ERR fmt, ##args) #define btrfs_warn_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_WARNING fmt, ##args) #define btrfs_notice_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_INFO fmt, ##args) /* * Wrappers that use a ratelimited printk_in_rcu */ #define btrfs_emerg_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_EMERG fmt, ##args) #define btrfs_alert_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_ALERT fmt, ##args) #define btrfs_crit_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_CRIT fmt, ##args) #define btrfs_err_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_ERR fmt, ##args) #define btrfs_warn_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_WARNING fmt, ##args) #define btrfs_notice_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_INFO fmt, ##args) /* * Wrappers that use a ratelimited printk */ #define btrfs_emerg_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_EMERG fmt, ##args) #define btrfs_alert_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_ALERT fmt, ##args) #define btrfs_crit_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_CRIT fmt, ##args) #define btrfs_err_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_ERR fmt, ##args) #define btrfs_warn_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_WARNING fmt, ##args) #define btrfs_notice_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_INFO fmt, ##args) #if defined(CONFIG_DYNAMIC_DEBUG) #define btrfs_debug(fs_info, fmt, args...) \ _dynamic_func_call_no_desc(fmt, btrfs_printk, \ fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ _dynamic_func_call_no_desc(fmt, btrfs_printk_in_rcu, \ fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ _dynamic_func_call_no_desc(fmt, btrfs_printk_rl_in_rcu, \ fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl(fs_info, fmt, args...) \ _dynamic_func_call_no_desc(fmt, btrfs_printk_ratelimited, \ fs_info, KERN_DEBUG fmt, ##args) #elif defined(DEBUG) #define btrfs_debug(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ btrfs_printk_rl_in_rcu(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, ##args) #else #define btrfs_debug(fs_info, fmt, args...) \ btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ btrfs_no_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ btrfs_no_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl(fs_info, fmt, args...) \ btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #endif #define btrfs_printk_in_rcu(fs_info, fmt, args...) \ do { \ rcu_read_lock(); \ btrfs_printk(fs_info, fmt, ##args); \ rcu_read_unlock(); \ } while (0) #define btrfs_no_printk_in_rcu(fs_info, fmt, args...) \ do { \ rcu_read_lock(); \ btrfs_no_printk(fs_info, fmt, ##args); \ rcu_read_unlock(); \ } while (0) #define btrfs_printk_ratelimited(fs_info, fmt, args...) \ do { \ static DEFINE_RATELIMIT_STATE(_rs, \ DEFAULT_RATELIMIT_INTERVAL, \ DEFAULT_RATELIMIT_BURST); \ if (__ratelimit(&_rs)) \ btrfs_printk(fs_info, fmt, ##args); \ } while (0) #define btrfs_printk_rl_in_rcu(fs_info, fmt, args...) \ do { \ rcu_read_lock(); \ btrfs_printk_ratelimited(fs_info, fmt, ##args); \ rcu_read_unlock(); \ } while (0) #ifdef CONFIG_BTRFS_ASSERT __printf(1, 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 2nd+ argument of args, */ #define ASSERT(cond, args...) \ do { \ verify_assert_printk_format("check the format string" args); \ if (!likely(cond)) { \ if (("" __FIRST_ARG(args) [0]) == 0) { \ pr_err("assertion failed: %s :: %ld, in %s:%d\n", \ #cond, (long)(cond), __FILE__, __LINE__); \ } else { \ pr_err("assertion failed: %s :: %ld, in %s:%d (" __FIRST_ARG(args) ")\n", \ #cond, (long)(cond), __FILE__, __LINE__ __REST_ARGS(args)); \ } \ BUG(); \ } \ } while(0) #else /* For GCC < 8.x only the simple output. */ #define ASSERT(cond, args...) \ do { \ verify_assert_printk_format("check the format string" args); \ if (!likely(cond)) { \ pr_err("assertion failed: %s :: %ld, in %s:%d\n", \ #cond, (long)(cond), __FILE__, __LINE__); \ BUG(); \ } \ } 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 __printf(5, 6) __cold 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...) \ __btrfs_handle_fs_error((fs_info), __func__, __LINE__, \ (error), fmt, ##args) __printf(5, 6) __cold 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 { \ __btrfs_panic(fs_info, __func__, __LINE__, error, fmt, ##args); \ BUG(); \ } while (0) #if BITS_PER_LONG == 32 #define BTRFS_32BIT_MAX_FILE_SIZE (((u64)ULONG_MAX + 1) << PAGE_SHIFT) /* * The warning threshold is 5/8th of the MAX_LFS_FILESIZE that limits the logical * addresses of extents. * * For 4K page size it's about 10T, for 64K it's 160T. */ #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
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