Re: (reiserfs) Re: New Linux 2.5 - 2.6 TODO (Alan Cox suggests delaying reiserfs integration)

From: Sasi Peter (sape@iq.rulez.org)
Date: Tue Jun 06 2000 - 17:30:49 EST


On Mon, 5 Jun 2000, James Sutherland wrote:
> On Mon, 5 Jun 2000, Sasi Peter wrote:
> > Not for the flame path, but eg. 2.2.15 knfsd does not work for me (it
> > works ok, but corrupts filesystem, does not let deleted space be freed up,
> > aleady posted here, no response)
> Were you the person having problems on a heavily-laden system with USB
> patches, RAID patches (in "my data's expendable" configuration), and two
> other patches on top, who was experiencing a disk space leak?

Not exactly. I am the one you remember, but patches were only
2.2.15+ide+usb+raid. And I have also described, that I believe USB is most
certainly not, and the others are also probably not poking that part of
the kernel, what knfsd is poking, and seems to be buggy (directories,
inodes, free space maps). (USB does USB, ide at the top of it does blocks,
raid as well).
But you are right in that this is quite a boundary case, that is why it is
likely to uncover bugs.

> > > Personally I dislike FSs which introduce their own concepts rather than
> > > reusing or extending existing ones. Once these "kludges" are in the kernel,
> > > they are very very hard to change or remove them. If every journalling FS
> > If they are the right kind, that is called evolution. And who has (who has
> > exact idea at least of) a better one?
> An FS is not the right place to introduce other aspects. If the VFS layer
> needs work, work on it - but don't go bolting bits of VFS replacement code
> into a filing system, or vice versa.

Maybe then the right thing here again is not the denial, but the advise:
Hello, guys! This and that part of how you impemented ReiserFS really
belongs to VFS, please resrtucture it, and submit two sets of patches, one
for VFS changes, one for the new FS. Some positive attitude needed, right?

-- SaPE

Peter, Sasi <sape@sch.hu>

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