tree 4b1f614ed4af572024b3906855ab15f3b7f19ec8
parent 02ae2c0e844e2864a877d1da8a92fe5e63778a18
author Kai Makisara <Kai.Makisara@kolumbus.fi> 1229579391 +0900
committer James Bottomley <James.Bottomley@HansenPartnership.com> 1230919612 -0600

[SCSI] st: retry enlarge_buffer allocation

Make enlarge_buffer() retry allocation if the previously chosen page
order was too small. Really limit the page order to 6. Return error if
the maximum order is not large enough for the request.

Signed-off-by: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>