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Open Source and information security mailing list archives
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Date: Sun, 27 Jul 2014 02:09:27 +0000 From: KY Srinivasan <kys@...rosoft.com> To: "Martin K. Petersen" <martin.petersen@...cle.com> CC: Sitsofe Wheeler <sitsofe@...il.com>, Christoph Hellwig <hch@...radead.org>, "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>, "ohering@...e.com" <ohering@...e.com>, "apw@...onical.com" <apw@...onical.com>, "jasowang@...hat.com" <jasowang@...hat.com>, "jbottomley@...allels.com" <jbottomley@...allels.com>, "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org> Subject: RE: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests > -----Original Message----- > From: Martin K. Petersen [mailto:martin.petersen@...cle.com] > Sent: Saturday, July 26, 2014 12:25 PM > To: KY Srinivasan > Cc: Martin K. Petersen; Sitsofe Wheeler; Christoph Hellwig; > gregkh@...uxfoundation.org; linux-kernel@...r.kernel.org; > devel@...uxdriverproject.org; ohering@...e.com; apw@...onical.com; > jasowang@...hat.com; jbottomley@...allels.com; linux- > scsi@...r.kernel.org > Subject: Re: [PATCH v2 3/3] [SCSI] Make LBP quirk skip lbpme checks tests > > >>>>> "KY" == KY Srinivasan <kys@...rosoft.com> writes: > > >> Great! I'd just like to have a reasonable level of confidence in > >> what's happening down the stack before I entertain turning something > >> on that's not being properly advertised. > > KY> As I look at the output of inquiry between Linux on Hyper-V and > KY> native Linux, is not specifying conformance level the main issue? > > The main problem for this particular use case (aside from the issue we've > already addressed) is that the passthrough device (SATA SSD) has > LBPME=0 in the READ CAPACITY(16) response. The LBP VPD is correctly > provided with LBPU flag set but because LBPME is reported as disabled we > will not attempt to issue UNMAP commands to the device. Oh; ok. I missed the read_capacity response. Thanks, K. Y > > -- > Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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