Re: Support for XFS in FreeBSD?

2003-07-03 Thread Zhihui Zhang
On Wed, 2 Jul 2003, Dan Nelson wrote: > In the last episode (Jul 02), Zhihui Zhang said: > > Suppose someone ported XFS to FreeBSD, then what liscence can you use > > without causing any legal trouble? You must use GNU, but the interface > > code (VFS/vnode, bio, vnode, et

Re: Support for XFS in FreeBSD?

2003-07-02 Thread Zhihui Zhang
On Wed, 2 Jul 2003, Sam Leffler wrote: > [cross-posting removed] > > >> Note: SCO is suing people who have touched Linux code with code > >> from commercial OS's derived from System V. SGI's IRIX, from > >> which XFS comes, is derived from System V, so there is some legal > >> risk involved to an

Re: Journaled filesystem in CURRENT

2002-09-28 Thread Zhihui Zhang
On Thu, 26 Sep 2002, Claus Assmann wrote: > On Thu, Sep 26, 2002, Zhihui Zhang wrote: > > On Thu, 26 Sep 2002, Claus Assmann wrote: > > > > If someone is interested: > > > http://www.sendmail.org/~ca/email/sm-9-rfh.html > > > > Just as a small dat

Re: Journaled filesystem in CURRENT

2002-09-26 Thread Zhihui Zhang
On Thu, 26 Sep 2002, Claus Assmann wrote: > On Thu, Sep 26, 2002, Terry Lambert wrote: > > Claus Assmann wrote: > > > > When we tested several filesystems for mailservers (to store the > > > mail queue), JFS and ext3 (in journal mode) beat UFS with softupdates > > > by about a factor of 2. > >

Re: FW: Filesystem gets a huge performance boost

2001-04-10 Thread Zhihui Zhang
On Tue, 10 Apr 2001, Matt Dillon wrote: > :> I'm not 100% convinced about the algorithm to avoid clusters filling > :> up with directory-only entries (it looks like a worst-case would fill > :> a cluster with 50% directories and 50% files leaving a bad layout when > :> the directories are po

Re: stupid FS questions

2000-05-30 Thread Zhihui Zhang
I believe that it is used to dynamic load filesystem modules. Please read the following pages to understand what is a kernel module: http://thc.inferno.tusculum.edu/files/thc/bsdkern.html -Zhihui On Tue, 30 May 2000, Yevmenkin, Maksim N, CSCIO wrote: > Hello All, > > i've been looking at ``m

Re: Unkillable processes

1999-07-25 Thread Zhihui Zhang
> > No. You can't kill a process which is in kernel mode. If it doesn't > come out, you won't be able to stop it. It seems rather unlikely that > that's the case here, though. It seems to me that a process can only suicide after it detects somebody wants to kill it. Anyway, it is the process

Re: disk slices and MAKEDEV confusion

1999-05-24 Thread Zhihui Zhang
> > The problem is that if you made all of the nodes for all of the > supported slices, /dev would be incredibly bloated. There are 8 > potential nodes per slice, and 20 potential slices per disk, plus the > compatability slice, so that's 168 node pairs (raw and buffered) > _per_disk_. > Acc