Re: [PATCH v2 0/2] Some block rsv fixes

[David Sterba <dsterba@suse.cz>]

On Mon, Oct 26, 2020 at 04:57:25PM -0400, Josef Bacik wrote:
> v1->v2:
> - change the logic to max(1, root level), as generally we do not walk down into
>   level 0 for the merge, with the exception for root level == 0.
> 
> --- Original email ---
> 
> Hello,
> 
> Nikolay has noticed that -o enospc_debug was getting some warnings in
> btrfs_use_block_rsv() on some tests.  I dug into them and one class is easy to
> fix as it's a straight regression.  The other one is going to require some more
> debugging, so in the meantime here's the two patches I have so far that can be
> merged.  The first is just to make my life easier when debugging these problems,
> and the second is the actual regression fix.  It should probably be tagged for
> stable as well since the regression was backported to stable.  Thanks,

Yeah, for stable 5.4+.

> Josef
> 
> Josef Bacik (2):
>   btrfs: print the block rsv type when we fail our reservation
>   btrfs: fix min reserved size calculation in merge_reloc_root

Added to misc-next, thanks.