Re: XFS and journalling filesystems

Jim Mostek (mostek@sgi.com)
Fri, 28 May 1999 09:58:45 -0500 (CDT)


>feature for video: guaranteed bandwidth. Also, journalling slows down
>reading, but speeds up writing, which is again important for
>video. So, as long as ext3 is not there, I'll be very happy about XFS.

How does journalling slow down reading? The only time XFS needs
to create a transaction is when changing meta-data (like a create,
file extend, remove, ...).
XFS doesn't do transactions for time updates. Do other FSs?
XFS doesn't do transactions on writting if the file is already
allocated.

Jim

>
>Andreas
>
>--
>Reality is two's complement. See:
>ftp://ftp.netcom.com/pub/hb/hbaker/hakmem/hacks.html#item154
>
>-
>To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
>the body of a message to majordomo@vger.rutgers.edu
>Please read the FAQ at http://www.tux.org/lkml/
>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/