From: Douglas Gilbert <dougg@torque.net>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: linux-scsi@vger.kernel.org, tomof@acm.org,
James.Bottomley@HansenPartnership.com
Subject: Re: [PATCH 0/5] scsi_debug: increase the amount of ram that scsi_ram can allocate
Date: Sun, 30 Mar 2008 13:11:49 -0400 [thread overview]
Message-ID: <47EFC9D5.8080107@torque.net> (raw)
In-Reply-To: <1206806398-22205-1-git-send-email-fujita.tomonori@lab.ntt.co.jp>
FUJITA Tomonori wrote:
> Currently, the maximum amount of RAM that scsi_debug can actually
> allocate is 4GB. This patchset increase it to 2TB.
>
> Here's an example, scsi_debug allocates 6GB ram and exports it as if
> it were 6GB disk.
>
> fujita@rose:/sys/bus/pseudo/drivers/scsi_debug$ cat virtual_gb
> 0
> fujita@rose:/sys/bus/pseudo/drivers/scsi_debug$ cat dev_size_mb
> 6144
>
> scsi3 : scsi_debug, version 1.81 [20070104], dev_size_mb=6144, opts=0x0
> scsi 3:0:0:0: Direct-Access Linux scsi_debug 0004 PQ: 0 ANSI: 5
> sd 3:0:0:0: [sdc] 12582912 512-byte hardware sectors (6442 MB)
>
>
> This patchset also include minor cleanup.
>
> This is against scsi-misc with the scsi_build_sense_buffer helper
> patchset and the scsi_debug lba fix:
>
> http://marc.info/?l=linux-scsi&m=120640632301595&w=2
>
> http://marc.info/?l=linux-scsi&m=120643343003171&w=2
For patches 1/5, 2/5, 3/5, 4/5 and 5/5 associated with this post:
Signed-off-by: Douglas Gilbert <dougg@torque.net>
Doug Gilbert
prev parent reply other threads:[~2008-03-30 17:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-29 15:59 [PATCH 0/5] scsi_debug: increase the amount of ram that scsi_ram can allocate FUJITA Tomonori
2008-03-29 15:59 ` [PATCH 1/5] scsi_debug: remove unnecessary sdebug_store_size FUJITA Tomonori
2008-03-29 15:59 ` [PATCH 2/5] scsi_debug: sweep up sdebug_capacity calculation FUJITA Tomonori
2008-03-29 15:59 ` [PATCH 3/5] scsi_debug: remove the duplicated code in resp_read and resp_write FUJITA Tomonori
2008-03-29 15:59 ` [PATCH 4/5] scsi_debug: support large non-fake virtual disk FUJITA Tomonori
2008-03-29 15:59 ` [PATCH 5/5] scsi_debug: remove unnecessary function declarations FUJITA Tomonori
2008-03-29 18:09 ` [PATCH 4/5] scsi_debug: support large non-fake virtual disk Douglas Gilbert
2008-03-30 2:58 ` FUJITA Tomonori
2008-03-30 17:11 ` Douglas Gilbert [this message]
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