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Message-ID: <20230711072353.200873-2-nmi@metaspace.dk>
Date: Tue, 11 Jul 2023 09:23:52 +0200
From: Andreas Hindborg <nmi@...aspace.dk>
To: Ming Lei <ming.lei@...hat.com>
Cc: Hans Holmberg <Hans.Holmberg@....com>,
Jens Axboe <axboe@...nel.dk>,
Matias Bjorling <Matias.Bjorling@....com>,
linux-block@...r.kernel.org (open list:BLOCK LAYER),
Christoph Hellwig <hch@...radead.org>, gost.dev@...sung.com,
linux-kernel@...r.kernel.org (open list),
Andreas Hindborg <a.hindborg@...sung.com>,
Aravind Ramesh <Aravind.Ramesh@....com>,
Damien Le Moal <dlemoal@...nel.org>,
Minwoo Im <minwoo.im.dev@...il.com>,
Johannes Thumshirn <jth@...nel.org>
Subject: [PATCH v8 1/2] ublk: add helper to check if device supports user copy
From: Andreas Hindborg <a.hindborg@...sung.com>
This will be used by ublk zoned storage support.
Signed-off-by: Andreas Hindborg <a.hindborg@...sung.com>
---
drivers/block/ublk_drv.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 1c823750c95a..8d271901efac 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 */
--
2.41.0
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