linux-kernel - Re: [PATCH] Make SCSI SG v4 driver enabled by default now since udev depends on it.

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Date:	Tue, 7 Jul 2009 11:18:48 -0400
From:	"John Stoffel" <john@...ffel.org>
To:	Boaz Harrosh <bharrosh@...asas.com>
Cc:	John Stoffel <john@...ffel.org>, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jens Axboe <Jens.Axboe@...cle.com>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: Re: [PATCH] Make SCSI SG v4 driver enabled by default now since udev
 depends on it.

>>>>> "Boaz" == Boaz Harrosh <bharrosh@...asas.com> writes:

Boaz> On 07/07/2009 05:50 PM, John Stoffel wrote:
>> Signed-off-by: John Stoffel <john@...ffel.org>
>> ---
>> block/Kconfig |    6 +++---
>> 1 files changed, 3 insertions(+), 3 deletions(-)
>> 
>> diff --git a/block/Kconfig b/block/Kconfig
>> index e7d1278..22bf6eb 100644
>> --- a/block/Kconfig
>> +++ b/block/Kconfig
>> @@ -46,8 +46,8 @@ config LBD
>> 
>> config BLK_DEV_BSG
>> bool "Block layer SG support v4 (EXPERIMENTAL)"

Boaz> Please also remove the (EXPERIMENTAL) from the prompt as well

Duh... sorry for this oversight.  I'll respin the patch ASAP.

>> -	depends on EXPERIMENTAL
>> -	---help---
>> +	default y
>> +	help
>> Saying Y here will enable generic SG (SCSI generic) v4 support
>> for any block device.
>> 
>> @@ -57,7 +57,7 @@ config BLK_DEV_BSG
>> protocols (e.g. Task Management Functions and SMP in Serial
>> Attached SCSI).
>> 
>> -	  If unsure, say N.
>> +	  If unsure, say Y.
>> 
>> config BLK_DEV_INTEGRITY
>> bool "Block layer data integrity support"

Boaz> Thanks I needed that too.

Boaz> BTW distro(s) have been shipping with it on for ages

I ran into this since I was trying to get Udev to properly find and
name my tape drives, and it wasn't until I finally figured out that
BSG wasn't enabled on any of my systems that I got around to getting
it working properly.

I've also put in a patch to the UDEV people to mention that this
should be turned on to make Udev work properly.

John
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