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io_uring/mock: add sync read/write

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Add support for synchronous zero read/write for mock files.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/571f3c9fe688e918256a06a722d3db6ced9ca3d5.1750599274.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov
2025-07-02 08:10:26 -06:00
committed by Jens Axboe
parent 4aac001f78
commit d1aa034657
2 changed files with 65 additions and 6 deletions
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include/uapi/linux/io_uring/mock_file.h
+3 -1
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@@ -5,6 +5,7 @@
enum {
IORING_MOCK_FEAT_CMD_COPY,
IORING_MOCK_FEAT_RW_ZERO,
IORING_MOCK_FEAT_END,
};
@@ -17,7 +18,8 @@ struct io_uring_mock_probe {
struct io_uring_mock_create {
__u32 out_fd;
__u32 flags;
__u64 __resv[15];
__u64 file_size;
__u64 __resv[14];
};
enum {