From: Andreas Hindborg <nmi@metaspace.dk>
To: Ming Lei <ming.lei@redhat.com>
Cc: linux-kernel@vger.kernel.org (open list),
linux-block@vger.kernel.org (open list:BLOCK LAYER),
Andreas Hindborg <a.hindborg@samsung.com>,
Minwoo Im <minwoo.im.dev@gmail.com>,
Matias Bjorling <Matias.Bjorling@wdc.com>,
gost.dev@samsung.com, Jens Axboe <axboe@kernel.dk>,
Aravind Ramesh <Aravind.Ramesh@wdc.com>,
Johannes Thumshirn <jth@kernel.org>,
Hans Holmberg <Hans.Holmberg@wdc.com>,
Christoph Hellwig <hch@infradead.org>,
Damien Le Moal <dlemoal@kernel.org>
Subject: [PATCH v6 2/3] ublk: add helper to check if device supports user copy
Date: Thu, 6 Jul 2023 15:09:29 +0200 [thread overview]
Message-ID: <20230706130930.64283-3-nmi@metaspace.dk> (raw)
In-Reply-To: <20230706130930.64283-1-nmi@metaspace.dk>
From: Andreas Hindborg <a.hindborg@samsung.com>
This will be used by ublk zoned storage support.
Signed-off-by: Andreas Hindborg <a.hindborg@samsung.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
next prev parent reply other threads:[~2023-07-06 13:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-06 13:09 [PATCH v6 0/3] ublk: enable zoned storage support Andreas Hindborg
2023-07-06 13:09 ` [PATCH v6 1/3] ublk: add opcode offsets for DRV_IN/DRV_OUT Andreas Hindborg
2023-07-06 23:50 ` Damien Le Moal
2023-07-07 0:59 ` Ming Lei
2023-07-07 1:42 ` Damien Le Moal
2023-07-10 6:52 ` Christoph Hellwig
2023-07-10 9:27 ` Ming Lei
2023-07-10 9:32 ` Christoph Hellwig
2023-07-10 10:02 ` Ming Lei
2023-07-11 6:23 ` Andreas Hindborg (Samsung)
2023-07-11 8:22 ` Christoph Hellwig
2023-07-11 9:02 ` Andreas Hindborg (Samsung)
2023-07-11 9:27 ` Christoph Hellwig
2023-07-11 10:15 ` Andreas Hindborg (Samsung)
2023-07-11 12:01 ` Christoph Hellwig
2023-07-06 13:09 ` Andreas Hindborg [this message]
2023-07-06 23:50 ` [PATCH v6 2/3] ublk: add helper to check if device supports user copy Damien Le Moal
2023-07-07 1:02 ` Ming Lei
2023-07-06 13:09 ` [PATCH v6 3/3] ublk: enable zoned storage support Andreas Hindborg
2023-07-07 0:19 ` Damien Le Moal
2023-07-07 6:53 ` Andreas Hindborg (Samsung)
2023-07-07 10:59 ` Ming Lei
2023-07-07 15:04 ` Andreas Hindborg (Samsung)
2023-07-08 14:11 ` Ming Lei
2023-07-10 6:07 ` Andreas Hindborg (Samsung)
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