Re: [PATCH v2 00/19] btrfs: add read-only support for subpage sector size

Neal Gompa
2020-09-16T20:42:57Z

On Tue, Sep 15, 2020 at 1:36 AM Qu Wenruo <wqu@suse.com> wrote:
>
> Patches can be fetched from github:
> https://github.com/adam900710/linux/tree/subpage
>
> Currently btrfs only allows to mount fs with sectorsize == PAGE_SIZE.
>
> That means, for 64K page size system, they can only use 64K sector size
> fs.
> This brings a big compatible problem for btrfs.
>
> This patch is going to slightly solve the problem by, allowing 64K
> system to mount 4K sectorsize fs in read-only mode.
>
> The main objective here, is to remove the blockage in the code base, and
> pave the road to full RW mount support.
>

Is there a reason we don't include a patch in here to just hardwire
the block size to 4K going forward?

--
真実はいつも一つ！/ Always, there's only one truth!