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* linux-next: build warnings after merge of the overlayfs tree
@ 2017-03-07 23:16 Stephen Rothwell
  2017-03-08  8:44 ` Amir Goldstein
  0 siblings, 1 reply; 2+ messages in thread
From: Stephen Rothwell @ 2017-03-07 23:16 UTC (permalink / raw)
  To: Miklos Szeredi; +Cc: linux-next, linux-kernel, Amir Goldstein

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.

-- 
Cheers,
Stephen Rothwell

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: linux-next: build warnings after merge of the overlayfs tree
  2017-03-07 23:16 linux-next: build warnings after merge of the overlayfs tree Stephen Rothwell
@ 2017-03-08  8:44 ` Amir Goldstein
  0 siblings, 0 replies; 2+ messages in thread
From: Amir Goldstein @ 2017-03-08  8:44 UTC (permalink / raw)
  To: Stephen Rothwell; +Cc: Miklos Szeredi, linux-next, linux-kernel

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.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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