Unused now.
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
        return q->nr_requests;
 }
 
-/*
- * q->prep_rq_fn return values
- */
-enum {
-       BLKPREP_OK,             /* serve it */
-       BLKPREP_KILL,           /* fatal error, kill, return -EIO */
-       BLKPREP_DEFER,          /* leave on queue */
-       BLKPREP_INVALID,        /* invalid command, kill, return -EREMOTEIO */
-};
-
 extern unsigned long blk_max_low_pfn, blk_max_pfn;
 
 /*