linux-kernel - Re: [PATCH] cifs: hide unused functions

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Message-ID: <CAH2r5mtmuHO71XHmLsbD=cL+c2rXrev_egaVVi8KDX3gD2UZiA@mail.gmail.com>
Date:   Wed, 28 Jun 2017 00:00:18 -0500
From:   Steve French <smfrench@...il.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Steve French <sfrench@...ba.org>,
        Shirish Pargaonkar <shirishpargaonkar@...il.com>,
        Pavel Shilovsky <pshilov@...rosoft.com>,
        Sachin Prabhu <sprabhu@...hat.com>,
        Aurelien Aptel <aaptel@...e.com>,
        "linux-cifs@...r.kernel.org" <linux-cifs@...r.kernel.org>,
        samba-technical <samba-technical@...ts.samba.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] cifs: hide unused functions

merged into cifs-2.6.git for-next

On Tue, Jun 27, 2017 at 10:06 AM, Arnd Bergmann <arnd@...db.de> wrote:
> Some functions are only referenced under an #ifdef, causing a harmless
> warning:
>
> fs/cifs/smb2ops.c:1374:1: error: 'get_smb2_acl' defined but not used [-Werror=unused-function]
>
> We could mark them __maybe_unused or add another #ifdef, I picked
> the second approach here.
>
> Fixes: b3fdda4d1e1b ("cifs: Use smb 2 - 3 and cifsacl mount options getacl functions")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  fs/cifs/smb2ops.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
> index 06494e11c570..941c40b7a870 100644
> --- a/fs/cifs/smb2ops.c
> +++ b/fs/cifs/smb2ops.c
> @@ -1288,6 +1288,7 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
>         return rc;
>  }
>
> +#ifdef CONFIG_CIFS_ACL
>  static struct cifs_ntsd *
>  get_smb2_acl_by_fid(struct cifs_sb_info *cifs_sb,
>                 const struct cifs_fid *cifsfid, u32 *pacllen)
> @@ -1387,7 +1388,7 @@ get_smb2_acl(struct cifs_sb_info *cifs_sb,
>         cifsFileInfo_put(open_file);
>         return pntsd;
>  }
> -
> +#endif
>
>  static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon,
>                             loff_t offset, loff_t len, bool keep_size)
> --
> 2.9.0
>
> --
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-- 
Thanks,

Steve