Re: linux-next: build warnings after merge of the overlayfs tree

From	Amir Goldstein <amir73il@gmail.com>
Newsgroups	linux.kernel
Subject	Re: linux-next: build warnings after merge of the overlayfs tree
Date	2017-03-08 09:50 +0100
Message-ID	<tiFsf-3Rn-33@gated-at.bofh.it> (permalink)
References	<tiAiR-uG-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, Mar 8, 2017 at 1:16 AM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:
> Hi Miklos,
>
> After merging the overlayfs tree, today's linux-next build (powerpc
> ppc64_defconfig) produced these warnings:
>
> fs/overlayfs/inode.c:322:30: warning: 'ovl_i_mutex_key' defined but not used [-Wunused-variable]
>  static struct lock_class_key ovl_i_mutex_key[FILESYSTEM_MAX_STACK_DEPTH];
>                               ^
> fs/overlayfs/inode.c:323:30: warning: 'ovl_i_mutex_dir_key' defined but not used [-Wunused-variable]
>  static struct lock_class_key ovl_i_mutex_dir_key[FILESYSTEM_MAX_STACK_DEPTH];
>                               ^
>
> Introduced by commit
>
>   a41471e8eff8 ("ovl: lockdep annotate of nested stacked overlayfs inode lock")
>
> CONFIG_LOCKDEP is not set for this build.
>

Thanks Stephen!

Miklos, I posted v5 of the patch with a fix.

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linux-next: build warnings after merge of the overlayfs tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-03-08 04:20 +0100
  Re: linux-next: build warnings after merge of the overlayfs tree Amir Goldstein <amir73il@gmail.com> - 2017-03-08 09:50 +0100

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