This can block progress of the SCSI error handler thread and cause long I/O
outages.  Instead just fail immediately if another reset is going on or we are
accessing flash memory.
Signed-off-by: NChad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: NSaurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>