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d65ad6ea17
The last patch is:
commit beaa57dd986d4f398728c060692fc2452895cfd8
Author: Chao Yu <chao2.yu@samsung.com>
Date: Thu Oct 22 18:24:12 2015 +0800
f2fs: fix to skip shrinking extent nodes
In f2fs_shrink_extent_tree we should stop shrink flow if we have already
shrunk enough nodes in extent cache.
Change-Id: I7bc76a98ce99412c59435f4573ace38fca604694
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
46 lines
1,013 B
C
46 lines
1,013 B
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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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