Re: [PATCH 05/10] ovl: make sure fsync is never called on the lowerfilesystem.

[Miklos Szeredi]

On Mon, 06 Sep 2010, NeilBrown wrote:
> If we open a directory O_RDONLY, ->realfile could be on the lower
> filesystem.
> While fsync is not likely to be called on such a file, we should make
> sure never to pass the fsync down as we are treating the lower
> filesystem as read-only.

Why not?  fsync() works fine on an r/o filesystem.  It doesn't do
much, probably, but that's not a reason to add additional complexity.

Thanks,
Miklos
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