On Thu, Jul 25, 2019 at 11:27:17AM +0100, [email protected] wrote:
> From: Filipe Manana <[email protected]>
> 
> When creating a filesystem with mixed block groups, we are creating two
> space info objects to track used/reserved/pinned space, one only for data
> and another one only for metadata.
> 
> This is making fstests test case generic/416 fail, with btrfs' check
> reporting over an hundred errors about bad extents:
> 
>   (...)
>   bad extent [17186816, 17190912), type mismatch with chunk
>   bad extent [17195008, 17199104), type mismatch with chunk
>   bad extent [17203200, 17207296), type mismatch with chunk
>   (...)
> 
> Because, surprisingly, this results in block groups that do not have the
> BTRFS_BLOCK_GROUP_DATA flag set but have data extents allocated in them.
> This is a regression introduced in btrfs-progs v5.2.
> 
> So fix this by making sure we only create one space info object, for both
> metadata and data, when mixed block groups are enabled.
> 
> Fixes: c31edf610cbe1e ("btrfs-progs: Fix false ENOSPC alert by tracking used 
> space correctly")
> Signed-off-by: Filipe Manana <[email protected]>

Applied, thanks.

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