49 lines
1.6 KiB
Groff
49 lines
1.6 KiB
Groff
.\" Copyright (c) 2021 Guo Xuenan <guoxuenan@huawei.com>
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.\"
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.TH DUMP.EROFS 1
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.SH NAME
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dump.erofs \- retrieve directory and file entries, show specific file
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or overall disk statistics information from an EROFS-formatted image.
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.SH SYNOPSIS
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\fBdump.erofs\fR [\fIOPTIONS\fR] \fIIMAGE\fR
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.SH DESCRIPTION
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.B dump.erofs
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is used to retrieve erofs metadata from \fIIMAGE\fP and demonstrate
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1) overall disk statistics,
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2) superblock information,
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3) file information of the given inode NID,
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4) file extent information of the given inode NID.
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.SH OPTIONS
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.TP
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.BI "\-\-device=" path
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Specify an extra device to be used together.
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You may give multiple `--device' options in the correct order.
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.TP
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.BI "\-\-nid=" NID
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Specify an inode NID in order to print its file information.
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.TP
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.BI "\-\-path=" path
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Specify an inode path in order to print its file information.
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.TP
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.BI \-e
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Show the file extent information. The option depends on option --nid to specify NID.
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.TP
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.BI \-V
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Print the version number and exit.
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.TP
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.BI \-s
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Show superblock information of the an EROFS-formatted image.
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.TP
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.BI \-S
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Show EROFS disk statistics, including file type/size distribution, number of (un)compressed files, compression ratio of the whole image, etc.
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.SH AUTHOR
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Initial code was written by Wang Qi <mpiglet@outlook.com>, Guo Xuenan <guoxuenan@huawei.com>.
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.PP
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This manual page was written by Guo Xuenan <guoxuenan@huawei.com>
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.SH AVAILABILITY
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.B dump.erofs
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is part of erofs-utils package and is available from git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git.
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.SH SEE ALSO
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.BR mkfs.erofs(1),
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.BR fsck.erofs(1)
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