IORING_OP_READ* and IORING_OP_WRITE* all take a file offset. These operations can still be used with non-seekable files, as long as the offset is set to zero. Signed-off-by: Alois Wohlschlager <alois1@xxxxxxxxxxxxxx> --- man/io_uring_enter.2 | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/man/io_uring_enter.2 b/man/io_uring_enter.2 index 5b498e5..dd3c962 100644 --- a/man/io_uring_enter.2 +++ b/man/io_uring_enter.2 @@ -195,6 +195,9 @@ Vectored read and write operations, similar to .BR preadv2 (2) and .BR pwritev2 (2). +If the file is not seekable, +.I off +must be set to zero. .TP .B IORING_OP_READ_FIXED @@ -588,6 +591,10 @@ contains the buffer in question, contains the length of the IO operation, and .I offs contains the read or write offset. If +.I fd +does not refer to a seekable file, +.I off +must be set to zero. If .I offs is set to -1, the offset will use (and advance) the file position, like the .BR read(2) -- 2.31.1
