/* SPDX-License-Identifier: GPL-2.0 */ #ifndef BTRFS_MESSAGES_H #define BTRFS_MESSAGES_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...) … __printf(2, 3) __cold void _btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...); #else #define btrfs_printk … #endif #define btrfs_emerg(fs_info, fmt, args...) … #define btrfs_alert(fs_info, fmt, args...) … #define btrfs_crit(fs_info, fmt, args...) … #define btrfs_err(fs_info, fmt, args...) … #define btrfs_warn(fs_info, fmt, args...) … #define btrfs_notice(fs_info, fmt, args...) … #define btrfs_info(fs_info, fmt, args...) … /* * Wrappers that use printk_in_rcu */ #define btrfs_emerg_in_rcu(fs_info, fmt, args...) … #define btrfs_alert_in_rcu(fs_info, fmt, args...) … #define btrfs_crit_in_rcu(fs_info, fmt, args...) … #define btrfs_err_in_rcu(fs_info, fmt, args...) … #define btrfs_warn_in_rcu(fs_info, fmt, args...) … #define btrfs_notice_in_rcu(fs_info, fmt, args...) … #define btrfs_info_in_rcu(fs_info, fmt, args...) … /* * Wrappers that use a ratelimited printk_in_rcu */ #define btrfs_emerg_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_alert_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_crit_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_err_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_warn_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_notice_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_info_rl_in_rcu(fs_info, fmt, args...) … /* * Wrappers that use a ratelimited printk */ #define btrfs_emerg_rl(fs_info, fmt, args...) … #define btrfs_alert_rl(fs_info, fmt, args...) … #define btrfs_crit_rl(fs_info, fmt, args...) … #define btrfs_err_rl(fs_info, fmt, args...) … #define btrfs_warn_rl(fs_info, fmt, args...) … #define btrfs_notice_rl(fs_info, fmt, args...) … #define btrfs_info_rl(fs_info, fmt, args...) … #if defined(CONFIG_DYNAMIC_DEBUG) #define btrfs_debug(fs_info, fmt, args...) … #define btrfs_debug_in_rcu(fs_info, fmt, args...) … #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) … #define btrfs_debug_rl(fs_info, fmt, args...) … #elif defined(DEBUG) #define btrfs_debug … #define btrfs_debug_in_rcu … #define btrfs_debug_rl_in_rcu … #define btrfs_debug_rl … #else #define btrfs_debug … #define btrfs_debug_in_rcu … #define btrfs_debug_rl_in_rcu … #define btrfs_debug_rl … #endif #define btrfs_printk_in_rcu(fs_info, fmt, args...) … #define btrfs_no_printk_in_rcu(fs_info, fmt, args...) … #define btrfs_printk_ratelimited(fs_info, fmt, args...) … #define btrfs_printk_rl_in_rcu(fs_info, fmt, args...) … #ifdef CONFIG_BTRFS_ASSERT #define btrfs_assertfail(expr, file, line) … #define ASSERT(expr) … #else #define ASSERT … #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...) … __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...) … #if BITS_PER_LONG == 32 #define BTRFS_32BIT_MAX_FILE_SIZE … /* * 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 … 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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