Re: [PATCH v2 1/4] Btrfs-progs: fsck: only allow partial opening under repair mode

[Wang Shilong <wangsl.fnst@cn.fujitsu.com>]

On 06/03/2014 12:18 AM, David Sterba wrote:
> On Thu, May 29, 2014 at 05:59:56PM +0800, Wang Shilong wrote:
>> The reason that we allow partial opening is that sometimes,
>> we may have some corrupted trees.(for example extent tree), for
>> fsck repair case, the broken tree may be rebuilt later.
>>
>> So if users only want to do check but not repair anything, this
>> patch will make fsck return failure as soon as possible and
>> tell users that some critial roots have been corrupted.
> Ok, that partially answers my question under v1. This would be a
> different mode, eg. a fast check, that would bail out quickly as you
> intend. I'd really want to keep the (full) check and repair to do the
Mm...That is reasonable too..

Acutally, now fsck would bail out if if found some errors. For example
if we fail to check csum tree, it won't check fs root.

I don't have ideas that whether fsck should continue if error happen,
for example, logic error, enomem....

> same sort of checks and verification.
>