| .\" Copyright (c) 2021 Daeho Jeong <daehojeong@google.com> |
| .\" |
| .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 |
| .B "--no-sbcrc" |
| Bypass the on-disk superblock checksum verification. |
| .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 <daehojeong@google.com>. |
| .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). |
