On Fri, Jul 07, 2017 at 04:58:56PM +0100, David Howells wrote:
> Yeah. We actually currently get this *wrong* in both ext4 and btrfs - and
> probably other disk filesystems too. During ext4 remount and btrfs remount,
> the options are parsed directly into the live xxx_fs_info struct, but if
> the
Eric W. Biederman wrote:
> > This makes it easier to implement a context-based mount where the options
> > are passed individually over a file descriptor. It also allows duplicate
> > options, options that override each other and ignored options to be
> > resolved rather than storing irrelevant
David Howells writes:
> Here's a set of patches that:
>
> (1) Removes calls to save/replace_mount_options() where the filesystem
> then implements ->show_options() anyway, ignoring ->s_options.
>
> (2) Makes all filesystems implement the ->show_options() superblock
> operation rather
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