[PATCH v2 2/3] loop.4: add some details about lo_flag

[Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx>]

Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxxxxx>
---
 man4/loop.4 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/man4/loop.4 b/man4/loop.4
index 1f8a31ac7..41abe0122 100644
--- a/man4/loop.4
+++ b/man4/loop.4
@@ -136,6 +136,9 @@ Allow automatic partition scanning.
 Use direct io mode to access backing file.
 .RE
 .TP
+.I The LOOP_SET_STATUS can not set the first and last flag because
+they are both set from kernel.
+.TP
 .B LOOP_GET_STATUS
 Get the status of the loop device.
 The (third)
-- 
2.23.0