28 lines
913 B
C
28 lines
913 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright 2021 Google LLC
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* Author: Daeho Jeong <daehojeong@google.com>
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*/
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#ifndef __F2FS_IOSTAT_H__
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#define __F2FS_IOSTAT_H__
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#ifdef CONFIG_F2FS_IOSTAT
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#define DEFAULT_IOSTAT_PERIOD_MS 3000
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#define MIN_IOSTAT_PERIOD_MS 100
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/* maximum period of iostat tracing is 1 day */
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#define MAX_IOSTAT_PERIOD_MS 8640000
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extern int __maybe_unused iostat_info_seq_show(struct seq_file *seq,
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void *offset);
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extern void f2fs_reset_iostat(struct f2fs_sb_info *sbi);
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extern void f2fs_update_iostat(struct f2fs_sb_info *sbi,
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enum iostat_type type, unsigned long long io_bytes);
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extern int f2fs_init_iostat(struct f2fs_sb_info *sbi);
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#else
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static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi,
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enum iostat_type type, unsigned long long io_bytes) {}
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static inline int f2fs_init_iostat(struct f2fs_sb_info *sbi) { return 0; }
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#endif
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#endif /* __F2FS_IOSTAT_H__ */
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