lkml.org 
[lkml]   [2020]   [Jun]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] ovl: provide real_file() and overlayfs get_unmapped_area()
On Wed, Jun 10, 2020 at 06:36:16PM -0700, Matthew Wilcox wrote:

> while (file->f_mode & FMODE_OVL_UPPER)
> file = file->private_data;
> return file;
>
> Or are you proposing that overlayfs copy FMODE_HUGEPAGES from the
> underlying fs to the overlaying fs?

The latter - that way nobody outside of overlayfs needs to know what
its ->private_data points to, for one thing. And it's cheaper that
way, obviously.

\
 
 \ /
  Last update: 2020-06-11 04:18    [W:0.046 / U:0.896 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site