diff options
| author | Amon Ott <a.ott@m-privacy.de> | 2011-10-20 13:04:07 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2011-10-25 16:10:17 -0700 |
| commit | 3310f7541f0c991b51324a7712db51fb8f912601 (patch) | |
| tree | d9a003be8ae51c41facdb80125e853b7f143e5e6 | |
| parent | 38d6453ca39ecce442628a93e1bb46d70d547512 (diff) | |
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>
| -rw-r--r-- | fs/ceph/super.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/ceph/super.h b/fs/ceph/super.h index 5c72430b8f71..b01442aaf278 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -346,9 +346,10 @@ static inline struct ceph_vino ceph_vino(struct inode *inode) * 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 u32 ceph_ino_to_ino32(ino_t ino) */ 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; } /* |