Re: [PATCH v2] Btrfs: Remove the check for old-style mkfs

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On Tue, Mar 17, 2015 at 02:34:16PM +0800, Liu Bo wrote:
> This was used to make sure that a fresh btrfs from an older mkfs.btrfs,
> but it also allows us to mount a buggy btrfs if this btrfs has the right
> superblock head part but has something wrong with chunk tree part[1], and
> after that we can hit BUG_ON()s set in the code to prevent something
> impossible.
> 
> Since David has released "Btrfs progs v3.19-rc2", just remove the check,
> if anyone who wants to make a fresh btrfs, please use the latest one.
> 
> [1]: http://www.spinics.net/lists/linux-btrfs/msg42358.html
> 
> Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx>

Reviewed-by: David Sterba <dsterba@xxxxxxx>

Thanks.
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