>>> IIRC all file systems provide a filehandle generation routine,
>> There was a time when fh generation was needed only for the
>> filesystem to be NFS-exportable. Is it now actually required for
>> all filesystems?
> Doesn't posix (more or less) require files to have inode numbers?
Sure, but w
On Wed, Sep 25, 2013 at 10:22:36PM -0400, Mouse wrote:
> >> Expect some file systems to use a key size != sizeof(ino_t) -- nfs
> >> for example uses file handles up to 64 bytes.
> > IIRC all file systems provide a filehandle generation routine,
>
> There was a time when fh generation was needed o
>> Expect some file systems to use a key size != sizeof(ino_t) -- nfs
>> for example uses file handles up to 64 bytes.
> IIRC all file systems provide a filehandle generation routine,
There was a time when fh generation was needed only for the filesystem
to be NFS-exportable. Is it now actually
On Wed, Sep 25, 2013 at 02:33:43PM +0200, J. Hannken-Illjes wrote:
> On Sep 22, 2013, at 5:28 AM, David Holland wrote:
>
>
> > First, obviously the vfs-level vnode cache code should provide vnode
> > lookup so file systems don't need to maintain their own vnode
> > tables. Killing off the fs-lev
On Sep 22, 2013, at 5:28 AM, David Holland wrote:
> First, obviously the vfs-level vnode cache code should provide vnode
> lookup so file systems don't need to maintain their own vnode
> tables. Killing off the fs-level vnode tables not only simplifies the
> world but also avoids exposing a numb
Perhaps both are acceptable. Ie, permit an FS to opt-out, then
work on new shared primitives.
Matt
- "David Holland" wrote:
>
> Another model entirely, on the other hand, is to get rid of the
> vfs-level vnode cache and make each fs fully responsible for its own
> vnodes. This can also ge
On Sun, Sep 22, 2013 at 03:28:58AM +, David Holland wrote:
> So, here's some thinking out loud on the subject of fixing it.
>:
> (I also have no real idea yet how to get to where I'm describing from
> where we are in a decently incremental fashion.)
I think the first step forward on th
jakllsch@ and I just spent quite some time (so far unsuccessfully)
trying to figure out a hack to keep afs from deadlocking in vget().
As a consequence of this I've been looking through a bunch of the
vnode lifecycle code and my irritation level has gone past some
critical threshold.
So, here's so