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authorKeith Busch <keith.busch@intel.com>2017-04-04 19:32:16 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-12 12:41:18 +0200
commit43cfff65c989c0ef722bfcd2335b07a48e09aab9 (patch)
treee9acd44cd8016f80435ec6a8f2fa62932513dc6d /Documentation
parent8d620dff40bab02f4da98c95e2fd47f445f5440a (diff)
nvme: simplify stripe quirk
[ Upstream commit e6282aef7b89a11d26e731060c4409b7aac278bf ] Some OEMs believe they own the Identify Controller vendor specific region and will repurpose it with their own values. While not common, we can't rely on the PCI VID:DID to tell use how to decode the field we reserved for this as the stripe size so we need to do something else for the list of devices using this quirk. The field was supposed to allow flexibility on the device's back-end striping, but it turned out that never materialized; the chunk is always the same as MDTS in the products subscribing to this quirk, so this patch removes the stripe_size field and sets the chunk to the max hw transfer size for the devices using this quirk. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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