Messages in this thread | | | Date | Thu, 11 Jun 2020 03:17:10 +0100 | From | Al Viro <> | Subject | Re: [PATCH v2] ovl: provide real_file() and overlayfs get_unmapped_area() |
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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.
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