Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH 3/3] Add a pair of system calls to make extended file stats available [ver #2] | Date | Wed, 30 Jun 2010 11:22:17 +0100 |
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Andreas Dilger <adilger@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.
David
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