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io_uring/mock: allow to choose FMODE_NOWAIT

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Add an option to choose whether the file supports FMODE_NOWAIT, that
changes the execution path io_uring request takes.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/1e532565b05a05b23589d237c24ee1a3d90c2fd9.1750599274.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2025-06-30 19:16:54 +01:00
committed by Jens Axboe
parent d1aa034657
commit 2f71d2386f
2 changed files with 12 additions and 1 deletions
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5
include/uapi/linux/io_uring/mock_file.h
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@@ -6,6 +6,7 @@
enum {
IORING_MOCK_FEAT_CMD_COPY,
IORING_MOCK_FEAT_RW_ZERO,
IORING_MOCK_FEAT_RW_NOWAIT,
IORING_MOCK_FEAT_END,
};
@@ -15,6 +16,10 @@ struct io_uring_mock_probe {
__u64 __resv[9];
};
enum {
IORING_MOCK_CREATE_F_SUPPORT_NOWAIT = 1,
};
struct io_uring_mock_create {
__u32 out_fd;
__u32 flags;