[PATCH v3 1/5] erofs-utils: introduce dump.erofs

[Qi Wang]

Hi,

On 2021/9/28 10:33 上午, Gao Xiang wrote:
> Hi,
>
> On Sun, Sep 26, 2021 at 11:21:42AM +0800, Gao Xiang wrote:
>> Hi Xuenan and Qi,
>>
>> On Wed, Sep 15, 2021 at 05:35:33PM +0800, Guo Xuenan wrote:
>>> From: Wang Qi<mpiglet at outlook.com>
>>>
>>> Add dump-tool for erofs to facilitate users directly
>>> analyzing the erofs image file.
>>>
>>> Signed-off-by: Guo Xuenan<guoxuenan at huawei.com>
>>> Signed-off-by: Wang Qi<mpiglet at outlook.com>
>> I'm almost fine with the series, and I will merge some of the patches
>> later.
>>
>> Due to busy work, my original plan was to fix some nits by myself and
>> apply. Anyway, I will reply some comments this evening...
> I've merged the first 2 patches into dev branch with modification (so no
> need to resend the first two patches).
>
> The rest patches are still a bit messy, I've set up a new
> experimental-dump branch, please check out:
> https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs-utils.git/?h=experimental-dump
>
> There are some stuffs needing to be resolved in advance:
>   1) rename all "dumpfs_" prefix into "erofsdump_";
>   2) I feel still uncomfortable when reading get_path_by_nid() and
>      erofs_read_dir(). Could we refactor them by introducing
>      erofs_for_each_dir() or likewise?
>   3) file_category_types and the switch in dumpfs_print_inode() are
>      duplicated to me. I think one of them can be removed instead.
>   4) please help using "filefrag -v -b1" style when printing extent info
>      in erofsdump_show_inode_phy(), like below:
>
>   ext:     logical_offset:        physical_offset: length:   expected: flags:
>     0:        0..   20479: 21788270592..21788291071:  20480:             last,eof
>
> Thanks,
> Gao Xiang
>
Thanks for your reply! I will refactor the code according to your advice.

Thanks,
Wang Qi
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