git: f745d3720bec - stable/15 - uio.9: Improve description of uio_rw flags

The branch stable/15 has been updated by 0mp:

URL: https://cgit.FreeBSD.org/src/commit/?id=f745d3720becf0c38a072447a50e4f732c46b1c0

commit f745d3720becf0c38a072447a50e4f732c46b1c0
Author:     Mateusz Piotrowski <0mp@FreeBSD.org>
AuthorDate: 2025-10-09 15:47:25 +0000
Commit:     Mateusz Piotrowski <0mp@FreeBSD.org>
CommitDate: 2025-10-30 13:00:33 +0000

    uio.9: Improve description of uio_rw flags
    
    The direction of the data transfer in uio(9) can be confusing,
    so state explicitly the difference between UIO_READ and UIO_WRITE.
    
    Reviewed by:    ziaee
    MFC after:      3 days
    Differential Revision:  https://reviews.freebsd.org/D52996
    
    (cherry picked from commit 0625f470e0956a3a337e4999f6712ec7b7d872e5)
---
 share/man/man9/uio.9 | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/share/man/man9/uio.9 b/share/man/man9/uio.9
index e6240c4e51d3..b143eb6e8e62 100644
--- a/share/man/man9/uio.9
+++ b/share/man/man9/uio.9
@@ -23,7 +23,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd March 11, 2017
+.Dd October 22, 2025
 .Dt UIO 9
 .Os
 .Sh NAME
@@ -107,10 +107,14 @@ The I/O vector points into the kernel address space.
 Do not copy, already in object.
 .El
 .It Va uio_rw
-The direction of the desired transfer, either
-.Dv UIO_READ
-or
-.Dv UIO_WRITE .
+The direction of the desired transfer.
+The supported flags are:
+.Bl -tag -width "UIO_WRITE"
+.It Dv UIO_READ
+Transfer data from the buffers into the I/O vectors.
+.It Dv UIO_WRITE
+Transfer data from the I/O vectors into the buffers.
+.El
 .It Va uio_td
 The pointer to a
 .Vt "struct thread"