From: Karen Higgins <karen.higgins@qlogic.com>
Date: Mon, 21 Jan 2013 04:51:00 +0000 (-0500)
Subject: [SCSI] qla4xxx: Throttle active IOCBs to firmware limits
X-Git-Tag: v3.9-rc1~45^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b1c1bff07d579f8a7b672d4e5262d52eba5ef01;p=pandora-kernel.git

[SCSI] qla4xxx: Throttle active IOCBs to firmware limits

Problem:
QLA4xxx firmware may assert if given more IOCBs than it can handle.

Solution:
The driver was updated to throttle the number of active IOCBs based
on the total number of IOCB buffers received from get_firmware_status
mbx_sts[2].

Signed-off-by: Karen Higgins <karen.higgins@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
---

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