From: Andreas Hindborg Date: Fri, 4 Aug 2023 11:46:08 +0000 (+0200) Subject: ublk: add helper to check if device supports user copy X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9d4ed6d46272bb60036a6539aae74eafcbbb3d2d;p=linux.git ublk: add helper to check if device supports user copy This will be used by ublk zoned storage support. Signed-off-by: Andreas Hindborg Reviewed-by: Ming Lei Reviewed-by: Damien Le Moal Reviewed-by: Johannes Thumshirn Link: https://lore.kernel.org/r/20230804114610.179530-2-nmi@metaspace.dk Signed-off-by: Jens Axboe --- diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 1c823750c95af..8d271901efac6 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -185,6 +185,11 @@ struct ublk_params_header { __u32 types; }; +static inline bool ublk_dev_is_user_copy(const struct ublk_device *ub) +{ + return ub->dev_info.flags & UBLK_F_USER_COPY; +} + static inline void __ublk_complete_rq(struct request *req); static void ublk_complete_rq(struct kref *ref); @@ -2037,7 +2042,7 @@ static int ublk_ctrl_add_dev(struct io_uring_cmd *cmd) UBLK_F_URING_CMD_COMP_IN_TASK; /* GET_DATA isn't needed any more with USER_COPY */ - if (ub->dev_info.flags & UBLK_F_USER_COPY) + if (ublk_dev_is_user_copy(ub)) ub->dev_info.flags &= ~UBLK_F_NEED_GET_DATA; /* We are not ready to support zero copy */