Re: [PATCH v8 1/3] vfs, fdtable: Add get_task_file helper
From: Christian Brauner
Date: Sun Jan 05 2020 - 07:48:06 EST
On Fri, Jan 03, 2020 at 08:29:26AM -0800, Sargun Dhillon wrote:
> This introduces a function which can be used to fetch a file, given an
> arbitrary task. As long as the user holds a reference (refcnt) to the
> task_struct it is safe to call, and will either return NULL on failure,
> or a pointer to the file, with a refcnt.
> This patch is based on Oleg Nesterov's (cf. ) patch from September
> : Link: https://lore.kernel.org/r/20180915160423.GA31461@xxxxxxxxxx
> Signed-off-by: Sargun Dhillon <sargun@xxxxxxxxx>
> Suggested-by: Oleg Nesterov <oleg@xxxxxxxxxx>
> Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
Nit: the patch is titled "vfs, fdtable: Add get_task_file helper"
but the actual helper is called fget_task()