Re: [rfc] new stat*fs-like syscall?

[Christoph Hellwig]

On Fri, Jun 25, 2010 at 02:16:38PM -0400, Christoph Hellwig wrote:
> On Fri, Jun 25, 2010 at 10:52:05AM -0700, Ulrich Drepper wrote:
> > there are not that many flags which are portable and available on all
> > the platforms.  Look at /usr/include/bits/statvfs.h for what has to be
> > supported and the values to use.  If the values the kernel will use
> > differ I'd have to (unnecessarily) convert the values.  If some values
> > are missing/not supported I still would have to use /proc/mounts and
> > nothing is gained.
> 
> I don't quite get what ST_WRITE is supposed to mean.  All but that one
> can be supported trivially.

In addition ST_APPEND and ST_IMMUTABLE are rather puzzling.  Do you
really want these to mean if the file we call statfs on have the
immutable/append only bits set?  That is mixing two bits of stat
information into statfs?

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