On Wed, Oct 17, 2012 at 02:39:55AM +, Thor Lancelot Simon wrote:
> What I'm more worried about is that it may _never_ be a good idea, in the
> general case, to put 1M transfers on the bus, particularly single writes,
> since they may delay things like log transactions in the disk's write
> cach
On Wed, Oct 17, 2012 at 02:39:55AM +, Thor Lancelot Simon wrote:
> On Mon, Oct 15, 2012 at 04:24:54PM +0200, Manuel Bouyer wrote:
> >
> > I wonder if we could reuse bits from the read-ahead code for write-behind ?
>
> I'm not sure the read-ahead code is working properly. When I read through
On Mon, Oct 15, 2012 at 04:24:54PM +0200, Manuel Bouyer wrote:
>
> I wonder if we could reuse bits from the read-ahead code for write-behind ?
I'm not sure the read-ahead code is working properly. When I read through
the filesystem with cat or dd bs=1024k, on a device (wd on ahcisata)
that can d
On Sun, Oct 14, 2012 at 02:33:32PM +, Thor Lancelot Simon wrote:
> Module Name: src
> Committed By: tls
> Date: Sun Oct 14 14:33:32 UTC 2012
>
> Modified Files:
> src/sys/ufs/ufs [tls-maxphys]: ufs_readwrite.c
>
> Log Message:
> In the FFS writebehind code (ufs_readwrite.c:WRIT
