[LTP] [PATCH v2 3/3] statx04: Skip STATX_ATTR_COMPRESSED on Bcachefs
Petr Vorel
pvorel@suse.cz
Tue May 7 10:18:46 CEST 2024
> Hi!
> > > > Quite likely, other filesystems does have an inode flag that is set when
> > > > file has been compressed and simply report that in the foo_getattr()
> > > > callback. Looking at bcachefs I supose that we need to figure out if the
> > > > inode is v3 and then unpack the v3 info to get to the compressed flag,
> > > > you probably know best how to do that.
> > > I'm still not clear how we want to map STATX_ATTR_COMPRESSED, since it's
> > > extents that are compressed, not entire files - and just reporting the
> > > compression option is probably not what we want since it can be flipped
> > > off, and existing data will still be compressed.
> > > Do you know anything about the intended use case?
> > As far as I understand the flag it's a hint that the file I/O may be
> > slower/need more memory because of the compression.
> Ping.
> Kent we are getting closer to a next LTP release, are you going to add
> the compressed flag support into bcachefs or should we add bcachefs to
> the test skiplist?
Kent, gentle ping ^.
Kind regards,
Petr
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