[PATCH v3 07/19] fs/kernel_read_file: Split into separate source file

[Mimi Zohar]

On Fri, 2020-07-24 at 14:36 -0700, Kees Cook wrote:
> These routines are used in places outside of exec(2), so in preparation
> for refactoring them, move them into a separate source file,
> fs/kernel_read_file.c.
> 
> Acked-by: Scott Branden <scott.branden at broadcom.com>
> Signed-off-by: Kees Cook <keescook at chromium.org>
Reviewed-by: Mimi Zohar <zohar at linux.ibm.com>