diff options
Diffstat (limited to 'man/io_uring_sqe_set_flags.3')
| -rw-r--r-- | man/io_uring_sqe_set_flags.3 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/man/io_uring_sqe_set_flags.3 b/man/io_uring_sqe_set_flags.3 index bbe62b5..b066f1d 100644 --- a/man/io_uring_sqe_set_flags.3 +++ b/man/io_uring_sqe_set_flags.3 @@ -26,7 +26,8 @@ submission queue entry param. is a bit mask of 0 or more of the following values ORed together: .TP .B IOSQE_FIXED_FILE -Use registered files that previously registered buffers. +The file descriptor in the SQE refers to the index of a previously registered +file or direct file descriptor, not a normal file descriptor. .TP .B IOSQE_ASYNC Normal operation for io_uring is to try and issue an sqe as non-blocking first, @@ -40,7 +41,7 @@ When this flag is specified, the SQE forms a link with the next SQE in the submission ring. That next SQE will not be started before the previous request completes. This, in effect, forms a chain of SQEs, which can be arbitrarily long. The tail of the chain is denoted by the first SQE that does not have this -flag set. Chains are not supported across submission boundaries. EVen if the +flag set. Chains are not supported across submission boundaries. Even if the last SQE in a submission has this flag set, it will still terminate the current chain. This flag has no effect on previous SQE submissions, nor does it impact SQEs that are outside of the chain tail. This means that multiple chains can be @@ -56,4 +57,4 @@ one completes. .SH RETURN VALUE None .SH SEE ALSO -.BR io_uring_submit (3), io_uring_register(3)
\ No newline at end of file +.BR io_uring_submit (3), io_uring_register(3) |