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https://gitee.com/openharmony/third_party_f2fs-tools
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ddb87f568f
Only dump nat info of nids inside the specified range. Signed-off-by: Junling Zheng <zhengjunling@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
78 lines
1.6 KiB
Groff
78 lines
1.6 KiB
Groff
.\" Copyright (c) 2013 Samsung Electronics Co., Ltd.
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.\"
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.TH DUMP.F2FS 8
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.SH NAME
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dump.f2fs \- retrieve directory and file entries from an F2FS-formated image
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.SH SYNOPSIS
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.B dump.f2fs
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[
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.B \-i
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.I inode number
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]
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[
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.B \-n
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.I NAT range
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]
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[
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.B \-s
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.I SIT range
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]
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[
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.B \-a
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.I SSA range
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]
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[
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.B \-b
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.I block address
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]
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[
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.B \-d
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.I debugging-level
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]
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.I device
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.SH DESCRIPTION
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.B dump.f2fs
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is used to retrieve f2fs metadata (usually in a disk partition).
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\fIdevice\fP is the special file corresponding to the device (e.g.
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\fI/dev/sdXX\fP).
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Currently, it can retrieve 1) a file given its inode number, 2) NAT
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entries into a file, 3) SIT entries into a file, 4) SSA entries into
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a file, 5) reverse information from the given block address.
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.PP
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The exit code returned by
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.B dump.f2fs
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is 0 on success and -1 on failure.
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.SH OPTIONS
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.TP
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.BI \-i " inode number"
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Specify an inode number to dump out.
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.TP
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.BI \-n " NAT range"
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Specify a range presented by nids to dump NAT entries.
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.TP
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.BI \-s " SIT range"
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Specify a range presented by segment numbers to dump SIT entries.
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.TP
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.BI \-a " SSA range"
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Specify a range presented by segment numbers to dump SSA entries.
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.TP
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.BI \-b " block address"
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Specify a block address to retrieve its metadata information.
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.TP
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.BI \-d " debug-level"
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Specify the level of debugging options.
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The default number is 0, which shows basic debugging messages.
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.TP
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.SH AUTHOR
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Initial checking code was written by Byoung Geun Kim <bgbg.kim@samsung.com>.
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.SH AVAILABILITY
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.B dump.f2fs
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is available from git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git.
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.SH SEE ALSO
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.BR mkfs.f2fs(8),
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.BR fsck.f2fs(8),
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.BR defrag.f2fs(8),
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.BR resize.f2fs(8),
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.BR sload.f2fs(8).
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