path: root/man/io_uring_prep_openat2.3
diff options
Diffstat (limited to 'man/io_uring_prep_openat2.3')
1 files changed, 11 insertions, 0 deletions
diff --git a/man/io_uring_prep_openat2.3 b/man/io_uring_prep_openat2.3
index 4898e30..96682d8 100644
--- a/man/io_uring_prep_openat2.3
+++ b/man/io_uring_prep_openat2.3
@@ -67,6 +67,17 @@ Note that old kernels don't check the SQE
.I file_index
field, which is not a problem for liburing helpers, but users of the raw
io_uring interface need to zero SQEs to avoid unexpected behavior.
+is used as the
+.I file_index
+for a direct open, then io_uring will allocate a free direct descriptor in
+the existing table. The allocated descriptor is returned in the CQE
+.I res
+field just like it would be for a non-direct open request. If no more entries
+are available in the direct descriptor table,
+is returned instead.
This function prepares an async
.BR openat2 (2)