ceph: use 2 instead of 1 as fallback for 32-bit inode number

The root directory of the Ceph mount has inode number 1, so falling back
to 1 always creates a collision. 2 is unused on my test systems and seems
less likely to collide.

Signed-off-by: Amon Ott <ao@m-privacy.de>
Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 1421f3d..18d8a86 100644 (file)
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -367,7 +367,7 @@ static inline u32 ceph_ino_to_ino32(__u64 vino)
        u32 ino = vino & 0xffffffff;
        ino ^= vino >> 32;
        if (!ino)
-               ino = 1;
+               ino = 2;
        return ino;
 }