NAME¶

dump.erofs - retrieve directory and file entries, show specific file or overall disk statistics information from an EROFS-formatted image.

SYNOPSIS¶

dump.erofs [OPTIONS] IMAGE

DESCRIPTION¶

dump.erofs is used to retrieve erofs metadata from IMAGE and demonstrate
1) overall disk statistics,
2) superblock information,
3) file information of the given inode NID,
4) file extent information of the given inode NID.

OPTIONS¶

--device=path

Specify an extra device to be used together. You may give multiple --device options in the correct order.

--ls

List directory contents. NID or path required.

--nid=NID

Specify an inode NID in order to print its file information.

--path=path

Specify an inode path in order to print its file information.

-e

Show the file extent information. NID or path required.

-V, --version

Print the version number and exit.

-h, --help

Display help string and exit.

-s

Show superblock information. This is the default if no options are specified.

-S

Show image statistics, including file type/size distribution, number of (un)compressed files, compression ratio, etc.

AUTHOR¶

Initial code was written by Wang Qi <mpiglet@outlook.com>, Guo Xuenan <guoxuenan@huawei.com>.

This manual page was written by Guo Xuenan <guoxuenan@huawei.com>

AVAILABILITY¶

dump.erofs is part of erofs-utils package and is available from git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git.

SEE ALSO¶

mkfs.erofs(1), fsck.erofs(1)