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52db45c3c5
A ccw command that reads or writes several records at once will usually transfer more data then fits into one page and needs to address memory areas using a list of indirect data address words (idaw). All but the first of these areas must start on a 4KB or 2KB block boundary (depending on the idaw format). A check for this restriction was missing and has been added with this patch. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>