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d29fbcdb05
This patch corrects the SPDX License Identifier style in header files related to F2FS File System support. For C header files Documentation/process/license-rules.rst mandates C-like comments (opposed to C source files where C++ style should be used). Changes made by using a script provided by Joe Perches here: https://lkml.org/lkml/2019/2/7/46. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
44 lines
862 B
C
44 lines
862 B
C
/* 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 <jaegeuk@kernel.org>
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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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