Re: [PATCH v2 0/4] btrfs-progs: check: add the ability to repair extent item generation corruption

[David Sterba <dsterba@suse.cz>]

On Tue, Aug 11, 2020 at 07:44:47PM +0800, Qu Wenruo wrote:
> Although we have introduced the check ability to detect bad extent item
> generation, there is no repair ability.
> 
> I thought it would be rare to hit, but real world cases prove I'm a
> total idiot.
> 
> So this patchset will add the ability to repair, for both lowmem mode
> and original mode, along with enhanced test images.
> 
> There is also a bug fix for original mode, which fails to detect such
> problem if it's a tree block.
> 
> Changelog:
> v2:
> - Fix a type in the subject of the 4th patch
> - Fix a bracket for for a logical and and bit and
>   The old code is fine and bit and has higher priority, but
>   the bracket is intended to make that higher priority more obvious.
> 
> Qu Wenruo (4):
>   btrfs-progs: check/lowmem: add the ability to repair extent item
>     generation
>   btrfs-progs: check/original: don't reset extent generation for
>     check_block()
>   btrfs-progs: check/original: add the ability to repair extent item
>     generation
>   btrfs-progs: tests/fsck: enhance invalid extent item generation test
>     cases

Added to devel, thanks.