[PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[Luis R. Rodriguez]

This makes it clearer this code is part of the coredump code, and
is not an exported generic helper from kernel/umh.c.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
---
 fs/coredump.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/fs/coredump.c b/fs/coredump.c
index 1e2c87acac9b..566504781683 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -508,7 +508,7 @@ static void wait_for_dump_helpers(struct file *file)
 }
 
 /*
- * umh_pipe_setup
+ * coredump_pipe_setup
  * helper function to customize the process used
  * to collect the core in userspace.  Specifically
  * it sets up a pipe and installs it as fd 0 (stdin)
@@ -518,7 +518,7 @@ static void wait_for_dump_helpers(struct file *file)
  * is a special value that we use to trap recursive
  * core dumps
  */
-static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
+static int coredump_pipe_setup(struct subprocess_info *info, struct cred *new)
 {
 	struct file *files[2];
 	struct coredump_params *cp = (struct coredump_params *)info->data;
@@ -606,7 +606,7 @@ void do_coredump(const siginfo_t *siginfo)
 		}
 
 		if (cprm.limit == 1) {
-			/* See umh_pipe_setup() which sets RLIMIT_CORE = 1.
+			/* See coredump_pipe_setup() which sets RLIMIT_CORE = 1.
 			 *
 			 * Normally core limits are irrelevant to pipes, since
 			 * we're not writing to the file system, but we use
@@ -647,7 +647,8 @@ void do_coredump(const siginfo_t *siginfo)
 		retval = -ENOMEM;
 		sub_info = call_usermodehelper_setup(helper_argv[0],
 						helper_argv, NULL, GFP_KERNEL,
-						umh_pipe_setup, NULL, &cprm);
+						coredump_pipe_setup, NULL,
+						&cprm);
 		if (sub_info)
 			retval = call_usermodehelper_exec(sub_info,
 							  UMH_WAIT_EXEC);
-- 
2.17.0

Re: [PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[Alexei Starovoitov]

On Mon, May 07, 2018 at 04:30:02PM -0700, Luis R. Rodriguez wrote:
> This makes it clearer this code is part of the coredump code, and
> is not an exported generic helper from kernel/umh.c.
> 
> Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
> ---
>  fs/coredump.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/coredump.c b/fs/coredump.c
> index 1e2c87acac9b..566504781683 100644
> --- a/fs/coredump.c
> +++ b/fs/coredump.c
> @@ -508,7 +508,7 @@ static void wait_for_dump_helpers(struct file *file)
>  }
>  
>  /*
> - * umh_pipe_setup
> + * coredump_pipe_setup
>   * helper function to customize the process used
>   * to collect the core in userspace.  Specifically
>   * it sets up a pipe and installs it as fd 0 (stdin)
> @@ -518,7 +518,7 @@ static void wait_for_dump_helpers(struct file *file)
>   * is a special value that we use to trap recursive
>   * core dumps
>   */
> -static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
> +static int coredump_pipe_setup(struct subprocess_info *info, struct cred *new)

I think this renaming makes sense.
How do we want to proceed?
I can take it as part of my series and get the whole thing through net-next
or folks want to apply this separately?

Re: [PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[Luis R. Rodriguez]

On Thu, May 10, 2018 at 04:19:09PM -0700, Alexei Starovoitov wrote:
> On Mon, May 07, 2018 at 04:30:02PM -0700, Luis R. Rodriguez wrote:
> > This makes it clearer this code is part of the coredump code, and
> > is not an exported generic helper from kernel/umh.c.
> > 
> > Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
> > ---
> >  fs/coredump.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> > 
> > diff --git a/fs/coredump.c b/fs/coredump.c
> > index 1e2c87acac9b..566504781683 100644
> > --- a/fs/coredump.c
> > +++ b/fs/coredump.c
> > @@ -508,7 +508,7 @@ static void wait_for_dump_helpers(struct file *file)
> >  }
> >  
> >  /*
> > - * umh_pipe_setup
> > + * coredump_pipe_setup
> >   * helper function to customize the process used
> >   * to collect the core in userspace.  Specifically
> >   * it sets up a pipe and installs it as fd 0 (stdin)
> > @@ -518,7 +518,7 @@ static void wait_for_dump_helpers(struct file *file)
> >   * is a special value that we use to trap recursive
> >   * core dumps
> >   */
> > -static int umh_pipe_setup(struct subprocess_info *info, struct cred *new)
> > +static int coredump_pipe_setup(struct subprocess_info *info, struct cred *new)
> 
> I think this renaming makes sense.
> How do we want to proceed?
> I can take it as part of my series and get the whole thing through net-next
> or folks want to apply this separately?

I think net-next makes sense if Al Viro is OK with that. This way it could go
in regardless of the state of your series, but it also lines up with your work.

  Luis

Re: [PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[Al Viro]

On Thu, May 10, 2018 at 11:32:47PM +0000, Luis R. Rodriguez wrote:

> I think net-next makes sense if Al Viro is OK with that. This way it could go
> in regardless of the state of your series, but it also lines up with your work.

Fine by me...

Re: [PATCH] coredump: rename umh_pipe_setup() to coredump_pipe_setup()

[Luis R. Rodriguez]

On Fri, May 11, 2018 at 03:48:51AM +0100, Al Viro wrote:
> On Thu, May 10, 2018 at 11:32:47PM +0000, Luis R. Rodriguez wrote:
> 
> > I think net-next makes sense if Al Viro is OK with that. This way it could go
> > in regardless of the state of your series, but it also lines up with your work.
> 
> Fine by me...

OK thanks.

Dave, I'll bounce a copy of the original patch to you, if anything else is needed
please let me know.

  Luis