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Some external hard drives don't support the sync command even though the hard drive has write cache enabled. In this case, upon suspend request, sync cache failures are ignored if the error code in the sense header is ILLEGAL_REQUEST. There's not much we can do for these drives, so we shouldn't fail to suspend for this error case. The drive may stay powered if that's the setup for the port it's plugged into. Signed-off-by: Derek Basehore <dbasehore@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
3653 lines
96 KiB
3653 lines
96 KiB