[CRIU] [PATCH 1/2] mnt: Add debug printout if bindmount is changing flags

[Cyrill Gorcunov]

Signed-off-by: Cyrill Gorcunov <gorcunov at openvz.org>
---
 mount.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mount.c b/mount.c
index f5fe1517d6e3..52cb8a1766d0 100644
--- a/mount.c
+++ b/mount.c
@@ -2078,11 +2078,13 @@ do_bind:
 		}
 
 		mflags = mi->flags & (~MS_PROPAGATE);
-		if (!mi->bind || mflags != (mi->bind->flags & (~MS_PROPAGATE)))
+		if (!mi->bind || mflags != (mi->bind->flags & (~MS_PROPAGATE))) {
+			pr_debug("\tRemount @%s as %#lx\n", mi->mountpoint, MS_BIND | MS_REMOUNT | mflags);
 			if (mount(NULL, mi->mountpoint, NULL, MS_BIND | MS_REMOUNT | mflags, NULL)) {
 				pr_perror("Can't mount at %s", mi->mountpoint);
 				return -1;
 			}
+		}
 
 		if (unlikely(mi->deleted)) {
 			if (S_ISDIR(st.st_mode)) {
-- 
2.4.3