Miklos Szeredi wrote:
>>> Actually the _best_ solution in the chmod/chown
case is if the app
>>> actually examines the error value. If it's
ENOSYS or EOPNOTSUPP, then
>>> presumably the operation failed, because it
does not make sense on
>>> that particular filesystem. So if it is trying
to copy the file
>>> attributes, it can safely ignore such an
error.
>>>
>> I agree. However, the amount of applications not
currently handling this
>> correctly is likely to mean that is an unrealistic
solution,
>> unfortunately.
>>
>
> I think the best solution is to make it optional. If
it breaks your
> app, turn on the workaround _and_ report it to the
app's developers.
>
> If for example this is breaking gedit, that should be
fixed. Fending
> off such bug reports refering to POSIX doesn't work.
Some filesystem
> just can't be made compliant.
>
> But I don't think that anything much more complex than
checking for an
> error value should be needed to work around non-posixy
filesystems.
>
>
>
Hmm... On the one hand FUSE seems problematic because of
those POSIX
issues. You'll probably need well designed guidelines for
application
and filesystem developers (FUSE wiki?).
On the other hand all attempts to bypass the operating
system with VFS
libraries - trying to hide and neglect it in the cellar like
an ugly
beast, have failed because being too over-sophisticated and
incoherent
(and IMHO all linux desktops still have serious interfacing
problems
with their operationg system).
I still like FUSE as the "Keep It Simple, Stupid"
approach - as fixing
things at the lowest possible layer usually works best - and
i believe
GVFS should be a convenience and portability layer on top of
it (rather
than having a FUSE bridge into GVFS which creates two
classes of
applications and lots of usability and consistency
problems).
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