diff options
| -rw-r--r-- | drivers/block/rnbd/rnbd-proto.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/rnbd/rnbd-proto.h b/drivers/block/rnbd/rnbd-proto.h index 77360c2a6069..5e74ae86169b 100644 --- a/drivers/block/rnbd/rnbd-proto.h +++ b/drivers/block/rnbd/rnbd-proto.h @@ -18,7 +18,7 @@ #include <rdma/ib.h> #define RNBD_PROTO_VER_MAJOR 2 -#define RNBD_PROTO_VER_MINOR 0 +#define RNBD_PROTO_VER_MINOR 1 /* The default port number the RTRS server is listening on. */ #define RTRS_PORT 1234 @@ -197,6 +197,7 @@ struct rnbd_msg_io { * * @RNBD_F_SYNC: request is sync (sync write or read) * @RNBD_F_FUA: forced unit access + * @RNBD_F_PREFLUSH: request for cache flush */ enum rnbd_io_flags { @@ -211,6 +212,7 @@ enum rnbd_io_flags { /* Flags */ RNBD_F_SYNC = 1<<(RNBD_OP_BITS + 0), RNBD_F_FUA = 1<<(RNBD_OP_BITS + 1), + RNBD_F_PREFLUSH = 1<<(RNBD_OP_BITS + 2) }; static inline u32 rnbd_op(u32 flags) @@ -258,6 +260,9 @@ static inline blk_opf_t rnbd_to_bio_flags(u32 rnbd_opf) if (rnbd_opf & RNBD_F_FUA) bio_opf |= REQ_FUA; + if (rnbd_opf & RNBD_F_PREFLUSH) + bio_opf |= REQ_PREFLUSH; + return bio_opf; } @@ -297,6 +302,9 @@ static inline u32 rq_to_rnbd_flags(struct request *rq) if (op_is_flush(rq->cmd_flags)) rnbd_opf |= RNBD_F_FUA; + if (rq->cmd_flags & REQ_PREFLUSH) + rnbd_opf |= RNBD_F_PREFLUSH; + return rnbd_opf; } |