Re: [PATCH 1/4] statx: Add a system call to make enhanced file info available [ver #3]

From: David Howells
Date: Mon Dec 05 2016 - 10:37:46 EST


Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:

> > I understand wanting to avoid extra arguments, but you are asking for
> > trouble with that sort of calling conventions. Verifying that all call
> > chains have these fields initialized is bloody unpleasant and it *is*
> > going to break, especially since the rules are "you need to initialize it
> > for vfs_xgetattr(), but not for vfs_getattr()" - the names are similar
> > enough for confusion, and that's not the only such pair.
>
> BTW, after some grepping: you seem to leave ecryptfs_getattr() as-is, which
> means that flags it had been passed by caller in *stat are not seen by
> underlying fs. Looks fishy...

I have patches for some other filesystems as well, but I'm trying to nail the
core down before whipping those back into shape.

David