[PATCH 31/34] union-mount: Follow mount in __lookup_union()

[Valerie Aurora]

In order for read-only layers of a union to have submounts, we have to
follow mounts on directories in union lookup.

Signed-off-by: Valerie Aurora <vaurora@xxxxxxxxxx>
---
 fs/namei.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 0041334..cdff001 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -811,6 +811,8 @@ static int __lookup_union(struct nameidata *nd, struct qstr *name,
 			goto out_found_file;
 		}
 
+		follow_mount(&lower);
+
 		/*
 		 * Now we know the target is a directory.  Create a
 		 * matching topmost directory if one doesn't already
-- 
1.6.3.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/