block/rnbd: kill rnbd_flags_supported

This routine is not called since added. Then the two flags
(RNBD_OP_LAST and RNBD_F_ALL) can be removed too after kill
rnbd_flags_supported.

Acked-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Guoqing Jiang <guoqing.jiang@linux.dev>
Link: https://lore.kernel.org/r/20230524070026.2932-2-guoqing.jiang@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/rnbd/rnbd-proto.h b/drivers/block/rnbd/rnbd-proto.h
index da1d054..84fd698 100644 (file)
--- a/drivers/block/rnbd/rnbd-proto.h
+++ b/drivers/block/rnbd/rnbd-proto.h
@@ -185,7 +185,6 @@ struct rnbd_msg_io {
 enum rnbd_io_flags {
 
        /* Operations */
-
        RNBD_OP_READ            = 0,
        RNBD_OP_WRITE           = 1,
        RNBD_OP_FLUSH           = 2,
@@ -193,15 +192,9 @@ enum rnbd_io_flags {
        RNBD_OP_SECURE_ERASE    = 4,
        RNBD_OP_WRITE_SAME      = 5,
 
-       RNBD_OP_LAST,
-
        /* Flags */
-
        RNBD_F_SYNC  = 1<<(RNBD_OP_BITS + 0),
        RNBD_F_FUA   = 1<<(RNBD_OP_BITS + 1),
-
-       RNBD_F_ALL   = (RNBD_F_SYNC | RNBD_F_FUA)
-
 };
 
 static inline u32 rnbd_op(u32 flags)
@@ -214,21 +207,6 @@ static inline u32 rnbd_flags(u32 flags)
        return flags & ~RNBD_OP_MASK;
 }
 
-static inline bool rnbd_flags_supported(u32 flags)
-{
-       u32 op;
-
-       op = rnbd_op(flags);
-       flags = rnbd_flags(flags);
-
-       if (op >= RNBD_OP_LAST)
-               return false;
-       if (flags & ~RNBD_F_ALL)
-               return false;
-
-       return true;
-}
-
 static inline blk_opf_t rnbd_to_bio_flags(u32 rnbd_opf)
 {
        blk_opf_t bio_opf;