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Message-ID: <20190128165342.GH2900@suse.cz>
Date: Mon, 28 Jan 2019 17:53:42 +0100
From: David Sterba <dsterba@...e.cz>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: Linux Next Mailing List <linux-next@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Qu Wenruo <wqu@...e.com>
Subject: Re: linux-next: build warning after merge of the btrfs-kdave tree
On Thu, Jan 24, 2019 at 09:53:38AM +1100, Stephen Rothwell wrote:
> Hi David,
>
> After merging the btrfs-kdave tree, today's linux-next build (powerpc
> ppc64_defconfig) produced this warning:
>
> fs/btrfs/relocation.c: In function 'insert_dirty_subv':
> fs/btrfs/relocation.c:2138:6: warning: unused variable 'root_objectid' [-Wunused-variable]
> u64 root_objectid = root->root_key.objectid;
> ^~~~~~~~~~~~~
>
> Introduced by commit
>
> 7b837199c581 ("btrfs: relocation: Delay reloc tree deletion after merge_reloc_roots()")
>
> Presumably the ASSERT is compiled out in this configuration.
Agreed, thanks for the report. I'll drop the temporary variable.
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