Re: [PATCH] scsi: core: Add BLIST_NO_ASK_VPD_SIZE for some VDASD

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On 9/28/22 11:13, Lee Duncan wrote:
Some storage, such as AIX VDASD (virtual storage) and IBM 2076
(front end) do not like the recent commit:

commit c92a6b5d6335 ("scsi: core: Query VPD size before getting full page")

That commit changed getting SCSI VPD pages so that we now read
just enough of the page to get the actual page size, then read
the whole page in a second read. The problem is that the above
mentioned hardware returns zero for the page size, because of
a firmware error. In such cases, until the firmware is fixed,
this new black flag says to revert to the original method of
reading the VPD pages, i.e. try to read as a whole buffer's
worth on the first try.

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>



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