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    Subject[PATCH 31/34] union-mount: Follow mount in __lookup_union()
    Date
    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@redhat.com>
    ---
    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


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