linux-kernel - Re: [PATCH 0/3] debloat aic7xxx and aic79xx drivers

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Date:	Thu, 18 Oct 2007 23:31:13 +0200
From:	"J.A. Magallón" <jamagallon@....com>
To:	Denys Vlasenko <vda.linux@...glemail.com>,
	"Linux-Kernel, " <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/3] debloat aic7xxx and aic79xx drivers

On Sun, 14 Oct 2007 15:58:26 +0100, Denys Vlasenko <vda.linux@...glemail.com> wrote:

> Hi,
> 
> Following patches debloat drivers/scsi/aic7xxx/*.
> I also had to add prototypes for ahc_lookup_scb
> and ahd_lookup_scb to .h files.
> 

Sorry for the late replay, but.. working fine on 

annwn:~# lspci | grep Adap
03:02.0 SCSI storage controller: Adaptec ASC-29320 U320 (rev 03)
03:02.1 SCSI storage controller: Adaptec ASC-29320 U320 (rev 03)
annwn:~# lsscsi -H
[1]    aic79xx       
[2]    aic79xx       

with
annwn:~# lsscsi
[2:0:0:0]    disk    SEAGATE  ST336807LW       0C01  /dev/sdb
[2:0:1:0]    disk    SEAGATE  ST336807LW       0C01  /dev/sdc
[2:0:2:0]    disk    SEAGATE  ST336807LW       0C01  /dev/sdd
[2:0:3:0]    disk    SEAGATE  ST336807LW       0C01  /dev/sde

and giving up to 200Mb/s on a pretty old mobo (see cached reads) with raid5:

annwn:~# hdparm -tT /dev/sd[bcde]

/dev/sdb:
 Timing cached reads:   950 MB in  2.00 seconds = 474.23 MB/sec
 Timing buffered disk reads:  228 MB in  3.00 seconds =  75.93 MB/sec

/dev/sdc:
 Timing cached reads:   1020 MB in  2.00 seconds = 510.01 MB/sec
 Timing buffered disk reads:  228 MB in  3.01 seconds =  75.76 MB/sec

/dev/sdd:
 Timing cached reads:   1022 MB in  2.00 seconds = 510.69 MB/sec
 Timing buffered disk reads:  228 MB in  3.01 seconds =  75.79 MB/sec

/dev/sde:
 Timing cached reads:   1016 MB in  2.00 seconds = 507.92 MB/sec
 Timing buffered disk reads:  228 MB in  3.02 seconds =  75.48 MB/sec
annwn:~# hdparm -tT /dev/md0

/dev/md0:
 Timing cached reads:   1020 MB in  2.00 seconds = 509.96 MB/sec
 Timing buffered disk reads:  602 MB in  3.01 seconds = 199.84 MB/sec


--
J.A. Magallon <jamagallon()ono!com>     \               Software is like sex:
                                         \         It's better when it's free
Mandriva Linux release 2008.1 (Cooker) for i586
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