aravind.ramesh@xxxxxxxxxxxxxxxxxx writes: >> From: Andreas Hindborg <a.hindborg@xxxxxxxxxxx >> <mailto:a.hindborg@xxxxxxxxxxx>> >> This change is in preparation for zoned storage support. >> Signed-off-by: Andreas Hindborg <a.hindborg@xxxxxxxxxxx >> <mailto:a.hindborg@xxxxxxxxxxx>> >> --- >> include/uapi/linux/ublk_cmd.h | 23 +++++++++++++++++------ >> 1 file changed, 17 insertions(+), 6 deletions(-) >> diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h >> index 4b8558db90e1..471b3b983045 100644 >> --- a/include/uapi/linux/ublk_cmd.h >> +++ b/include/uapi/linux/ublk_cmd.h >> @@ -229,12 +229,23 @@ struct ublksrv_ctrl_dev_info { >> __u64 reserved2; >> }; >> -#define UBLK_IO_OP_READ 0 >> -#define UBLK_IO_OP_WRITE 1 >> -#define UBLK_IO_OP_FLUSH 2 >> -#define UBLK_IO_OP_DISCARD 3 >> -#define UBLK_IO_OP_WRITE_SAME 4 >> -#define UBLK_IO_OP_WRITE_ZEROES 5 >> +enum ublk_op { >> + UBLK_IO_OP_READ = 0, >> + UBLK_IO_OP_WRITE = 1, >> + UBLK_IO_OP_FLUSH = 2, >> + UBLK_IO_OP_DISCARD = 3, >> + UBLK_IO_OP_WRITE_SAME = 4, >> + UBLK_IO_OP_WRITE_ZEROES = 5, >> + UBLK_IO_OP_ZONE_OPEN = 10, >> + UBLK_IO_OP_ZONE_CLOSE = 11, >> + UBLK_IO_OP_ZONE_FINISH = 12, >> + UBLK_IO_OP_ZONE_APPEND = 13, > > Curious to know if there is a reason to miss enum 14 here ? > And if UBLK_IO_OP_ZONE_APPEND is defined along with other operations > better to define that in patch 3 itself. They are defined after REQ_OP_ZONE_*, and they have a hole at 14 🤷 BR Andreas > >> + UBLK_IO_OP_ZONE_RESET = 15, >> + __UBLK_IO_OP_DRV_IN_START = 32, >> + __UBLK_IO_OP_DRV_IN_END = 96, >> + __UBLK_IO_OP_DRV_OUT_START = __UBLK_IO_OP_DRV_IN_END, >> + __UBLK_IO_OP_DRV_OUT_END = 160, >> +}; >> #define UBLK_IO_F_FAILFAST_DEV (1U << 8) >> #define UBLK_IO_F_FAILFAST_TRANSPORT (1U << 9) > > Regards, > Aravind