These do not advance the internal file offset unless the offset is set to -1, making them behave more like pread/pwrite than read/write. --- man/io_uring_enter.2 | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) diff --git a/man/io_uring_enter.2 b/man/io_uring_enter.2 index f898ffd..5b498e5 100644 --- a/man/io_uring_enter.2 +++ b/man/io_uring_enter.2 @@ -576,16 +576,24 @@ for the general description of the related system call. Available since 5.6. .TP .B IORING_OP_WRITE Issue the equivalent of a -.BR read(2) +.BR pread(2) or -.BR write(2) +.BR pwrite(2) system call. .I fd is the file descriptor to be operated on, .I addr -contains the buffer in question, and +contains the buffer in question, .I len -contains the length of the IO operation. These are non-vectored versions of the +contains the length of the IO operation, and +.I offs +contains the read or write offset. If +.I offs +is set to -1, the offset will use (and advance) the file position, like the +.BR read(2) +and +.BR write(2) +system calls. These are non-vectored versions of the .B IORING_OP_READV and .B IORING_OP_WRITEV -- 2.31.1
