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