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#SAMSUNG NVME DRIVER EXTRACTED SOFTWARE#
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Recently Released Critical Drivers - Read Only.Recently Released Service Tips - Read Only.Static void io_req_task_queue_fail(struct io_kiocb *req, int ret)ĭiff -git a/include/linux/io_uring.h b/include/linux/io_uring. +EXPORT_SYMBOL_GPL(io_uring_cmd_complete_in_task) + req->io_task_work.func = io_uring_cmd_work + struct io_kiocb *req = container_of(ioucmd, struct io_kiocb, uring_cmd) + void (*driver_cb)(struct io_uring_cmd *)) +void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd, + req->uring_cmd.driver_cb(&req->uring_cmd) +static void io_uring_cmd_work(struct io_kiocb *req) Gets to implement cmd-specific handling in a callback.ĭiff -git a/fs/io_uring.c b/fs/io_uring.c The API facilitates reusing task-work infra of io_uring, while driver Ioctl-specific fields, requiring original submitter context.Įxport an API that driver can use for this purpose. ` 12:55 ` Kanchan Joshi 0 siblings, 0 replies 19+ messages in threadĬompletion of a uring_cmd ioctl may involve referencing certain * io_uring: add infra for uring_cmd completion in submitter-task. Linux-nvme mailing ^ raw reply 19+ messages in thread Io_uring: add helper for fixed-buffer uring-cmd Nvme: wire-up support for async-passthru on char-device. Io_uring: add infra for uring_cmd completion in submitter-task.
Io_uring: add support for uring_cmd with fixed-buffer Io_uring: mark iopoll not supported for uring-cmd Added fixed-buffer passthrough in io_uring and nvme plumbing Added support for char-passthrough (over ng0n1)Ĥ. Removed support for block-passthrough (over nvme0n1) for nowģ. Please take a look.Ĭhanges from Moved to v5 branch of Jens, adapted to task-work changes in io_uringĢ. I look forward to the thoughts of the community on this.Ĭommand-SQE didn't have the field for buf_index. Great, another option would be to use 'user flags' in the passthrough If introducing new ioctls in nvme (for fixed-buffer) does not sound NVME_IOCTL_IO_CMD_FIXED or NVME_IOCTL_IO64_CMD_FIXED.įor existing passthrough ioctl, nvme-driver maps the buffers in I/Oįor the new ioctl, driver supplies buffer-index to io_uring and gets This to be used along with two new fixed-buffer ioctl opcodes: The buffers are registered with io_uring in the usual fashion. Uring-cmd (IORING_OP_URING_CMD_FIXED), and new NVMe passthrough IOCTLs The second part (patch 4, 5, 6) introduces fixed-buffer variant of (for ioctl updates in task-context), and wire up nvme-passthrough on Testing is done by integrating user-space side with fio:įirst part (patch 1 and 2) involves extending 'io_uring cmd' infra The work is on top of Jens' branch (which is 5.14-rc1 based): This series takes a dig at expanding io_uring passthrough to haveįor the NVMe side plumbing, it uses the per-namespace char-device as ` (6 more replies) 0 siblings, 7 replies 19+ messages in threadįrom: Kanchan Joshi 12:55 UTC ( / raw)Ĭc: io-uring, linux-nvme, anuj20.g, javier.gonz, hare, Kanchan Joshi
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Fixed-buffers io_uring passthrough over nvme-char archive mirror help / color / mirror / Atom feed * Fixed-buffers io_uring passthrough over nvme-char
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