From: FUJITA Tomonori <tomof@acm.org>
To: bharrosh@panasas.com
Cc: James.Bottomley@SteelEye.com, fujita.tomonori@lab.ntt.co.jp,
akpm@linux-foundation.org,
linux-scsi@vger.kernel.orgfujita.tomonori@lab.ntt.co.jp
Subject: Re: [RFC 4/8] scsi-ml: scsi_sgtable implementation
Date: Fri, 13 Jul 2007 07:37:31 +0900 [thread overview]
Message-ID: <20070712140806C.tomof@acm.org> (raw)
In-Reply-To: <468CF58E.1020901@panasas.com>
AF:
From: Boaz Harrosh <bharrosh@panasas.com>
Subject: [RFC 4/8] scsi-ml: scsi_sgtable implementation
Date: Thu, 05 Jul 2007 16:43:42 +0300
> As proposed by James Bottomley all I/O members of struc scsi_cmnd
> and the resid member, which need to be duplicated for bidirectional
> transfers. Can be allocated together with the sg-list they are
> pointing to. This way when bidi comes the all structure can be duplicated
> with minimal change to code, and with no extra baggage when bidi is not
> used. The resulting code is the use of a new mechanism called scsi_sgtable.
> (Old code will be removed in next patch for easier reviewing)
I think that it would be better to push this with Jens' sglist and
bidi support together to mainline. Changing the scsi-ml sg code and
testing it again and again doesn't sound nice.
next prev parent reply other threads:[~2007-07-12 22:51 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-05 11:51 [RFC 0/7] scsi_sgtable implementation Boaz Harrosh
2007-07-05 13:43 ` [RFC 1/8] stex driver BROKEN Boaz Harrosh
2007-07-05 19:12 ` Lin Yu
2007-07-05 13:43 ` [RFC 2/8] Restrict scsi accessors access to read-only Boaz Harrosh
2007-07-05 13:43 ` [RFC 3/8] libata-scsi don't set max_phys_segments higher than scsi-ml Boaz Harrosh
2007-07-05 13:43 ` [RFC 4/8] scsi-ml: scsi_sgtable implementation Boaz Harrosh
2007-07-12 14:43 ` Boaz Harrosh
2007-07-12 19:09 ` Mike Christie
2007-07-13 0:15 ` FUJITA Tomonori
2007-07-18 14:13 ` Boaz Harrosh
2007-07-18 14:19 ` Jens Axboe
2007-07-18 15:00 ` Boaz Harrosh
2007-07-18 18:03 ` Jens Axboe
2007-07-18 19:21 ` Benny Halevy
2007-07-18 20:17 ` Jens Axboe
2007-07-23 14:08 ` [PATCH] sgtable over sglist (Re: [RFC 4/8] scsi-ml: scsi_sgtable implementation) FUJITA Tomonori
2007-07-25 19:53 ` Boaz Harrosh
2007-07-12 22:37 ` FUJITA Tomonori [this message]
2007-07-05 13:43 ` [RFC 5/8] Remove old code from scsi_lib.c Boaz Harrosh
2007-07-05 13:43 ` [RFC 6/8] scsi_error.c move to scsi_sgtable implementation Boaz Harrosh
2007-07-05 13:44 ` [RFC 7/8] sd.c and sr.c " Boaz Harrosh
2007-07-26 12:21 ` FUJITA Tomonori
2007-07-29 8:21 ` Benny Halevy
2007-07-05 13:44 ` [RFC 8/8] Remove compatibility with unconverted drivers Boaz Harrosh
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