// SPDX-License-Identifier: GPL-2.0 /* * f2fs IO tracer * * Copyright (c) 2014 Motorola Mobility * Copyright (c) 2014 Jaegeuk Kim <jaegeuk@kernel.org> */ #ifndef __F2FS_TRACE_H__ #define __F2FS_TRACE_H__ #ifdef CONFIG_F2FS_IO_TRACE #include <trace/events/f2fs.h> enum file_type { __NORMAL_FILE, __DIR_FILE, __NODE_FILE, __META_FILE, __ATOMIC_FILE, __VOLATILE_FILE, __MISC_FILE, }; struct last_io_info { int major, minor; pid_t pid; enum file_type type; struct f2fs_io_info fio; block_t len; }; extern void f2fs_trace_pid(struct page *); extern void f2fs_trace_ios(struct f2fs_io_info *, int); extern void f2fs_build_trace_ios(void); extern void f2fs_destroy_trace_ios(void); #else #define f2fs_trace_pid(p) #define f2fs_trace_ios(i, n) #define f2fs_build_trace_ios() #define f2fs_destroy_trace_ios() #endif #endif /* __F2FS_TRACE_H__ */