Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx> --- man4/loop.4 | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/man4/loop.4 b/man4/loop.4 index a3c59310d..1f8a31ac7 100644 --- a/man4/loop.4 +++ b/man4/loop.4 @@ -130,6 +130,10 @@ The loopback device will autodestruct on last close. .BR LO_FLAGS_PARTSCAN " (since Linux 3.2)" .\" commit e03c8dd14915fabc101aa495828d58598dc5af98 Allow automatic partition scanning. +.TP +.BR LO_FLAGS_DIRECT_IO " (since Linux 4.10)" +.\" commit 2e5ab5f379f96a6207c45be40c357ebb1beb8ef3 +Use direct io mode to access backing file. .RE .TP .B LOOP_GET_STATUS -- 2.23.0
