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From: Bart Van Assche <bart.vanassche-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
To: Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Nicholas A. Bellinger"
	<nab-IzHhD5pYlfBP7FQvKIMDCQ@public.gmane.org>
Subject: Re: [PATCH v2 16/26] IB/srp: Convert to new registration API
Date: Thu, 1 Oct 2015 11:10:10 -0700	[thread overview]
Message-ID: <560D7702.1050806@sandisk.com> (raw)
In-Reply-To: <1443116118-10730-17-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>

On 09/24/2015 10:35 AM, Sagi Grimberg wrote:
> +	if (dev->use_fast_reg) {
> +		state.sg = idb_sg;
> +		state.sg_nents = 1;
> +		sg_set_buf(idb_sg, req->indirect_desc, idb_len);
> +		idb_sg->dma_address = req->indirect_dma_addr; /* hack! */
> +		ret = srp_map_finish_fr(&state, ch);
> +		if (ret < 0)
> +			return ret;
> +	} else if (dev->use_fmr) {

Hello Sagi,

Had you considered to use sg_init_one() instead of using sg_set_buf() 
and setting sg_nents to one ? The former function sets the end marker in 
the idb_sg scatterlist and also sets sg_magic if CONFIG_DEBUG_SG has 
been enabled.

Thanks,

Bart.
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  parent reply	other threads:[~2015-10-01 18:10 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-24 17:34 [PATCH v2 00/26] New fast registration API Sagi Grimberg
     [not found] ` <1443116118-10730-1-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-09-24 17:34   ` [PATCH v2 01/26] IB/core: Introduce new " Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 02/26] IB/mlx5: Remove dead fmr code Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 03/26] IB/mlx5: Support the new memory registration API Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 04/26] IB/mlx4: " Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 05/26] RDMA/ocrdma: " Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 06/26] RDMA/cxgb3: " Sagi Grimberg
2015-09-24 17:34   ` [PATCH v2 07/26] iw_cxgb4: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 08/26] IB/qib: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 09/26] RDMA/nes: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 10/26] IB/iser: Port to new fast " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 11/26] iser-target: Port to new memory " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 12/26] xprtrdma: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 13/26] svcrdma: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 14/26] RDS/IW: Convert " Sagi Grimberg
     [not found]     ` <1443116118-10730-15-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-09-24 17:43       ` santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA
2015-09-24 17:35   ` [PATCH v2 15/26] IB/srp: Split srp_map_sg Sagi Grimberg
     [not found]     ` <1443116118-10730-16-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-09-25 16:15       ` Bart Van Assche
     [not found]         ` <56057320.4010905-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-09-27  7:03           ` Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 16/26] IB/srp: Convert to new registration API Sagi Grimberg
     [not found]     ` <1443116118-10730-17-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-09-25 16:34       ` Bart Van Assche
     [not found]         ` <560577A4.4080806-XdAiOPVOjttBDgjK7y7TUQ@public.gmane.org>
2015-09-27  7:04           ` Sagi Grimberg
2015-10-01 18:10       ` Bart Van Assche [this message]
2015-09-24 17:35   ` [PATCH v2 17/26] IB/srp: Dont allocate a page vector when using fast_reg Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 18/26] IB/mlx5: Remove old FRWR API support Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 19/26] IB/mlx4: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 20/26] RDMA/ocrdma: Remove old FRWR API Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 21/26] RDMA/cxgb3: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 22/26] iw_cxgb4: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 23/26] IB/qib: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 24/26] RDMA/nes: " Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 25/26] IB/hfi1: Remove Old fast registraion API support Sagi Grimberg
2015-09-24 17:35   ` [PATCH v2 26/26] IB/core: Remove old fast registration API Sagi Grimberg
2015-09-28 19:32   ` [PATCH v2 00/26] New " Steve Wise
2015-10-08  6:03   ` Selvin Xavier
     [not found] <1443116094-7969-1-git-send-email-sagig@mellanox.com>
     [not found] ` <1443116094-7969-1-git-send-email-sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-09-24 17:34   ` [PATCH v2 16/26] IB/srp: Convert to new " Sagi Grimberg

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