[PATCH 3/3] Add a pair of system calls to make extended file stats available [ver #2]
dhowells at redhat.com
Wed Jun 30 04:22:17 MDT 2010
Andreas Dilger <adilger at dilger.ca> wrote:
> Note that when ext4 is mounted with the "i_version" option that the
> i_version field is also updated on regular files, for use by NFSv4. See,
> for example, ext4_mark_iloc_dirty().
> I had a hard time finding this, even though I knew it was there somewhere,
> because it isn't modifying "i_version" directly, but rather calling a helper
> function inode_inc_iversion().
Ah, okay. Thanks!
> It probably makes sense to always return i_version, unless it is 0.
I didn't want to return it if it wasn't supported on the nominated file as
that may give a false sense of coherency.
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