linux-kernel - Re: linux-next: build failure after merge of the btrfs-fixes tree

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Message-ID: <20260120161838.GD26902@suse.cz>
Date: Tue, 20 Jan 2026 17:18:38 +0100
From: David Sterba <dsterba@...e.cz>
To: Mark Brown <broonie@...nel.org>
Cc: Boris Burkov <boris@....io>,
	Johannes Thumshirn <johannes.thumshirn@....com>,
	Qu Wenruo <wqu@...e.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the btrfs-fixes tree

On Tue, Jan 20, 2026 at 12:07:58PM +0000, Mark Brown wrote:
> Hi all,
> 
> After merging the btrfs-fixes tree, today's linux-next build
> (arm64 defconfig) failed like this:
> 
> /tmp/next/build/fs/btrfs/free-space-tree.c: In function 'btrfs_delete_orphan_free_space_entries':
> /tmp/next/build/fs/btrfs/free-space-tree.c:1765:9: error: implicit declaration of function 'BTRFS_PATH_AUTO_RELEASE'; did you mean 'BTRFS_PATH_AUTO_FREE'? [-Wimplicit-function-declaration]
>  1765 |         BTRFS_PATH_AUTO_RELEASE(path);
>       |         ^~~~~~~~~~~~~~~~~~~~~~~
>       |         BTRFS_PATH_AUTO_FREE
> /tmp/next/build/fs/btrfs/free-space-tree.c:1765:33: error: 'path' undeclared (first use in this function)
>  1765 |         BTRFS_PATH_AUTO_RELEASE(path);
>       |                                 ^~~~
> /tmp/next/build/fs/btrfs/free-space-tree.c:1765:33: note: each undeclared identifier is reported only once for each function it appears in
> /tmp/next/build/fs/btrfs/free-space-tree.c:1817:1: error: control reaches end of non-void function [-Werror=return-type]
>  1817 | }
>       | ^
> cc1: some warnings being treated as errors
> 
> Caused by commit
> 
>    7fcf8455f610b (btrfs: reject new transactions if the fs is fully read-only)
> 
> I have used the version from 20260119 instead.

Sorry, I'll drop the patch from next-fixes.