ceph: fix 32-bit ino numbers
Fix 32-bit ino generation to not always be 1.
Signed-off-by: Amon Ott <a.ott@m-privacy.de>
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index 5c72430..b01442a 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -346,9 +346,10 @@
* x86_64+ino32 64 32
* x86_64 64 64
*/
-static inline u32 ceph_ino_to_ino32(ino_t ino)
+static inline u32 ceph_ino_to_ino32(__u64 vino)
{
- ino ^= ino >> (sizeof(ino) * 8 - 32);
+ u32 ino = vino & 0xffffffff;
+ ino ^= vino >> 32;
if (!ino)
ino = 1;
return ino;
@@ -359,11 +360,11 @@
*/
static inline ino_t ceph_vino_to_ino(struct ceph_vino vino)
{
- ino_t ino = (ino_t)vino.ino; /* ^ (vino.snap << 20); */
#if BITS_PER_LONG == 32
- ino = ceph_ino_to_ino32(ino);
+ return ceph_ino_to_ino32(vino.ino);
+#else
+ return (ino_t)vino.ino;
#endif
- return ino;
}
/*