.\" Copyright (c) 2021 Daeho Jeong .\" .TH FSCK.EROFS 1 .SH NAME fsck.erofs \- tool to check an EROFS filesystem's integrity .SH SYNOPSIS \fBfsck.erofs\fR [\fIOPTIONS\fR] \fIIMAGE\fR .SH DESCRIPTION fsck.erofs is used to scan an EROFS filesystem \fIIMAGE\fR and check the integrity of it. .SH OPTIONS .TP \fB\-V\fR, \fB\-\-version\fR Print the version number of fsck.erofs and exit. .TP .BI "\-d " # Specify the level of debugging messages. The default is 2, which shows basic warning messages. .TP .B \-p Print total compression ratio of all files including compressed and non-compressed files. .TP .BI "\-\-device=" path Specify an extra blob device to be used together. You may give multiple .B --device options in the correct order. .TP .BI "\-\-extract" "[=directory]" Test to extract the whole file system. It scans all inode data, including compressed inode data, which leads to more I/O and CPU load, so it might take a long time depending on the image size. Optionally extract contents of the \fIIMAGE\fR to \fIdirectory\fR. .TP .BI "--[no-]xattrs" Whether to dump extended attributes during extraction (default off). .TP \fB\-h\fR, \fB\-\-help\fR Display help string and exit. .TP \fB\-a\fR, \fB\-A\fR, \fB-y\fR These options do nothing at all; they are provided only for compatibility with the fsck programs of other filesystems. .SH AUTHOR This version of \fBfsck.erofs\fR is written by Daeho Jeong . .SH AVAILABILITY \fBfsck.erofs\fR is part of erofs-utils package and is available from git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git. .SH SEE ALSO .BR fsck (8).