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Date:   Tue, 27 Apr 2021 19:19:11 +0200
From:   David Sterba <dsterba@suse.cz>
To:     Naohiro Aota <naohiro.aota@wdc.com>
Cc:     David Sterba <dsterba@suse.com>, linux-btrfs@vger.kernel.org,
        Josef Bacik <josef@toxicpanda.com>
Subject: Re: [PATCH 11/26] btrfs-progs: zoned: implement zoned chunk allocator
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References: <cover.1619416549.git.naohiro.aota@wdc.com>
 <b60a5f40ae0072ba9c7f1ba03036a703bb6b81ec.1619416549.git.naohiro.aota@wdc.com>
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On Mon, Apr 26, 2021 at 03:27:27PM +0900, Naohiro Aota wrote:
> Implement a zoned chunk and device extent allocator. One device zone
> becomes a device extent so that a zone reset affects only this device
> extent and does not change the state of blocks in the neighbor device
> extents.
> 
> To implement the allocator, we need to extend the following functions for
> a zoned filesystem.
> 
> - init_alloc_chunk_ctl
> - dev_extent_search_start

This function is not present in current btrfs-progs codebase

>  static u64 dev_extent_search_start(struct btrfs_device *device, u64 start)
>  {
> +	u64 zone_size;
> +

So this does not apply. Looks like some intermediate patches are
missing. There's more missing code and several other conflicts.