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[PATCH net-next resend 10/13] debugfs: constify argument to debugfs_real_fops()

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  [PATCH net-next resend 10/13] debugfs: constify argument to debugfs_real_fops() Jakub Kicinski <jakub.kicinski@netronome.com> - 2016-11-03 18:20 +0100
    Re: [PATCH net-next resend 10/13] debugfs: constify argument to  debugfs_real_fops() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-11-10 15:30 +0100
      Re: [PATCH net-next resend 10/13] debugfs: constify argument to  debugfs_real_fops() Jakub Kicinski <jakub.kicinski@netronome.com> - 2016-11-10 16:50 +0100

#1514714 — [PATCH net-next resend 10/13] debugfs: constify argument to debugfs_real_fops()

seq_file users can only access const version of file pointer,
because the ->file member of struct seq_operations is marked
as such.  Make parameter to debugfs_real_fops() const.

CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nicolai Stange <nicstange@gmail.com>
CC: Christian Lamparter <chunkeey@gmail.com>
CC: LKML <linux-kernel@vger.kernel.org>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
---
 include/linux/debugfs.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 4d3f0d1aec73..bf1907d96097 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -52,7 +52,8 @@ struct debugfs_regset32 {
  * Must only be called under the protection established by
  * debugfs_use_file_start().
  */
-static inline const struct file_operations *debugfs_real_fops(struct file *filp)
+static inline const struct file_operations *
+debugfs_real_fops(const struct file *filp)
 	__must_hold(&debugfs_srcu)
 {
 	/*
-- 
1.9.1

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#1519009 — Re: [PATCH net-next resend 10/13] debugfs: constify argument to debugfs_real_fops()

On Thu, Nov 03, 2016 at 05:12:06PM +0000, Jakub Kicinski wrote:
> seq_file users can only access const version of file pointer,
> because the ->file member of struct seq_operations is marked
> as such.  Make parameter to debugfs_real_fops() const.
> 
> CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> CC: Nicolai Stange <nicstange@gmail.com>
> CC: Christian Lamparter <chunkeey@gmail.com>
> CC: LKML <linux-kernel@vger.kernel.org>
> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
> ---
>  include/linux/debugfs.h | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
> index 4d3f0d1aec73..bf1907d96097 100644
> --- a/include/linux/debugfs.h
> +++ b/include/linux/debugfs.h
> @@ -52,7 +52,8 @@ struct debugfs_regset32 {
>   * Must only be called under the protection established by
>   * debugfs_use_file_start().
>   */
> -static inline const struct file_operations *debugfs_real_fops(struct file *filp)
> +static inline const struct file_operations *
> +debugfs_real_fops(const struct file *filp)

Ick.  Tell me that looks better :(

Please just don't wrap things like that, just make it go longer than 80
columns, I can handle the complaints...

thanks,

greg k-h

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#1519069 — Re: [PATCH net-next resend 10/13] debugfs: constify argument to debugfs_real_fops()

On Thu, 10 Nov 2016 15:25:59 +0100, Greg Kroah-Hartman wrote:
> On Thu, Nov 03, 2016 at 05:12:06PM +0000, Jakub Kicinski wrote:
> > seq_file users can only access const version of file pointer,
> > because the ->file member of struct seq_operations is marked
> > as such.  Make parameter to debugfs_real_fops() const.
> > 
> > CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> > CC: Nicolai Stange <nicstange@gmail.com>
> > CC: Christian Lamparter <chunkeey@gmail.com>
> > CC: LKML <linux-kernel@vger.kernel.org>
> > Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
> > ---
> >  include/linux/debugfs.h | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
> > index 4d3f0d1aec73..bf1907d96097 100644
> > --- a/include/linux/debugfs.h
> > +++ b/include/linux/debugfs.h
> > @@ -52,7 +52,8 @@ struct debugfs_regset32 {
> >   * Must only be called under the protection established by
> >   * debugfs_use_file_start().
> >   */
> > -static inline const struct file_operations *debugfs_real_fops(struct file *filp)
> > +static inline const struct file_operations *
> > +debugfs_real_fops(const struct file *filp)  
> 
> Ick.  Tell me that looks better :(
> 
> Please just don't wrap things like that, just make it go longer than 80
> columns, I can handle the complaints...

Ugh, I should've gone with my gut feeling then.  I'll post a fix up
shortly since this is already in Dave's tree.

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