[PATCH 20/32] md: set bi_op to REQ_OP

From: Mike Christie This patch has md set the bi_op. For compat reasons, we are still ORing the op into bi_rw. This will be dropped in later patches in this series when everyone is updated. For discards, I am also still passing in REQ_WRITE in with the flags, so code that has not yet been

[PATCH 20/32] md: set bi_op to REQ_OP

From: Mike Christie This patch has md set the bi_op. For compat reasons, we are still ORing the op into bi_rw. This will be dropped in later patches in this series when everyone is updated. For discards, I am also still passing in REQ_WRITE in with the flags, so code that