From: Karen Xie <kxie@chelsio.com>
Date: Sat, 14 Feb 2009 05:38:54 +0000 (-0800)
Subject: [SCSI] cxgb3i: Outgoing pdus need to observe skb's MAX_SKB_FRAGS
X-Git-Tag: v2.6.29-rc7~18^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f62d0896e67195d4407ef81c6f77a92f72a63e88;p=pandora-kernel.git

[SCSI] cxgb3i: Outgoing pdus need to observe skb's MAX_SKB_FRAGS


Need to make sure the outgoing pdu can fit into a single skb.  When
calulating the max. outgoing pdu payload size, take into consideration
of
- data can be held in the skb's fragment list, assume 512 bytes per
  fragment, and
- data can be held in the headroom.

Signed-off-by: Karen Xie <kxie@chelsio.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---

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