xen: use bio op accessors
authorMike Christie <mchristi@redhat.com>
Sun, 5 Jun 2016 19:32:09 +0000 (14:32 -0500)
committerJens Axboe <axboe@fb.com>
Tue, 7 Jun 2016 19:41:38 +0000 (13:41 -0600)
commita022606e53fa16ac788fcc9e9362f5fbe4ae83c2
tree9855bb7d0586cb3a8e9ee1d193d6c044aa1ec846
parente742fc32fcb468b9bb8a6de4fb4093e5c5f6839a
xen: use bio op accessors

Separate the op from the rq_flag_bits and have xen
set/get the bio using bio_set_op_attrs/bio_op.

Signed-off-by: Mike Christie <mchristi@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
drivers/block/xen-blkback/blkback.c