Commit 5fea44a6 authored Oct 16, 2023 by Breno Leitao Committed by Jens Axboe Oct 19, 2023

io_uring/cmd: Pass compat mode in issue_flags



Create a new flag to track if the operation is running compat mode.
This basically check the context->compat and pass it to the issue_flags,
so, it could be queried later in the callbacks.

Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20231016134750.1381153-6-leitao@debian.org


Signed-off-by: Jens Axboe <axboe@kernel.dk>

parent 0b05b0cd

include/linux/io_uring.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,7 @@ enum io_uring_cmd_flags {

		/* set when uring wants to cancel a previously issued command */
		IO_URING_F_CANCEL = (1 << 11),
		IO_URING_F_COMPAT = (1 << 12),
		};

		/* only top 8 bits of sqe->uring_cmd_flags for kernel internal use */

io_uring/uring_cmd.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -175,6 +175,8 @@ int io_uring_cmd(struct io_kiocb *req, unsigned int issue_flags)
		issue_flags \|= IO_URING_F_SQE128;
		if (ctx->flags & IORING_SETUP_CQE32)
		issue_flags \|= IO_URING_F_CQE32;
		if (ctx->compat)
		issue_flags \|= IO_URING_F_COMPAT;
		if (ctx->flags & IORING_SETUP_IOPOLL) {
		if (!file->f_op->uring_cmd_iopoll)
		return -EOPNOTSUPP;