From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Sreekanth Reddy <sreekanth.reddy@avagotech.com>
Cc: martin.petersen@oracle.com, jejb@kernel.org, hch@infradead.org,
linux-scsi@vger.kernel.org, JBottomley@Parallels.com,
Sathya.Prakash@avagotech.com,
Nagalakshmi.Nandigama@avagotech.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 06/22] [SCSI] mpt2sas, mpt3sas: Removing uppper boundary restriction for the module parameter max_sgl_entries
Date: Fri, 09 Jan 2015 15:55:05 -0500 [thread overview]
Message-ID: <yq1y4pbznbq.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1420635235-2222-1-git-send-email-Sreekanth.Reddy@avagotech.com> (Sreekanth Reddy's message of "Wed, 7 Jan 2015 18:23:55 +0530")
>>>>> "Sreekanth" == Sreekanth Reddy <sreekanth.reddy@avagotech.com> writes:
Sreekanth> 1. Extended the upper boundary restriction for the module
Sreekanth> parameter max_sgl_entries. Earlier, the max_sgl_entries was
Sreekanth> capped at the SCSI_MAX_SG_SEGMENTS kernel definition. With
Sreekanth> this change, the user would be able to set the
Sreekanth> max_sgl_entries to any value which is greater than
Sreekanth> SCSI_MAX_SG_SEGMENTS and less than the minimum of
Sreekanth> SCSI_MAX_SG_CHAIN_SEGMENTS & hardware limit(Calculated using
Sreekanth> IOCFacts's MaxChainDepth).
Sreekanth> 2. Added a print for the message log whenever the user sets
Sreekanth> the max_sgl_entries to a value greater than
Sreekanth> SCSI_MAX_SG_SEGMENTS to warn about the kernel definition
Sreekanth> overriding.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2015-01-09 20:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-07 12:53 Sreekanth Reddy
2015-01-09 20:55 ` Martin K. Petersen [this message]
-- strict thread matches above, loose matches on Subject: below --
2014-12-09 13:27 Sreekanth Reddy
2014-12-10 20:52 ` Martin K. Petersen
2014-12-11 12:14 ` Sreekanth Reddy
2015-01-07 0:17 ` Martin K. Petersen
2014-11-20 7:05 [PATCH 00/22] mpt2sas, mpt3sas: SAS2 Phase 19,20 and SAS3 Phase 4,5 patches Sreekanth Reddy
2014-11-20 7:05 ` [PATCH 06/22] [SCSI] mpt2sas, mpt3sas: Removing uppper boundary restriction for the module parameter max_sgl_entries Sreekanth Reddy
2014-12-04 3:05 ` Martin K. Petersen
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