On 05/29/14 05:52, Martin K. Petersen wrote:
Copy offloading requires us to know the NAA descriptor for both source
target device. This descriptor is mandatory in the Device Identification
VPD page. Locate this descriptor in the returned VPD data so we don't
have to do lookups for every copy
Bart == Bart Van Assche bvanass...@acm.org writes:
Bart Sorry for the late reply but it's only now that I noticed this
Bart patch. Are you sure that presence of a NAA descriptor is
Bart mandatory ? This is what I found in SPC-4 r37 paragraph 7.8.6.2.1:
Bart quote At least one designation
Il 03/06/2014 03:00, Martin K. Petersen ha scritto:
Paolo == Paolo Bonzini pbonz...@redhat.com writes:
+ sdev_printk(KERN_ERR, sdev,
+ %s: VPD page 0x83 NAA descriptor not found\n, __func__);
+
+ return;
Paolo I suspect this error will be relatively common.
You're right. But we would like
On Wed, 2014-05-28 at 23:52 -0400, Martin K. Petersen wrote:
Copy offloading requires us to know the NAA descriptor for both source
target device. This descriptor is mandatory in the Device Identification
VPD page. Locate this descriptor in the returned VPD data so we don't
have to do lookups
Il 29/05/2014 05:52, Martin K. Petersen ha scritto:
+ sdev_printk(KERN_ERR, sdev,
+ %s: VPD page 0x83 NAA descriptor not found\n, __func__);
+
+ return;
I suspect this error will be relatively common.
libata for example has
if (ata_id_has_wwn(args-id)) {
Copy offloading requires us to know the NAA descriptor for both source
target device. This descriptor is mandatory in the Device Identification
VPD page. Locate this descriptor in the returned VPD data so we don't
have to do lookups for every copy command.
Signed-off-by: Martin K. Petersen
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