NFS: add filehandle crc for debug display

Match wireshark's CRC-32 hash for easier debugging

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index c07a757649dc..ce8e4361ad14 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -396,6 +396,11 @@ static inline void nfs_free_fhandle(const struct nfs_fh *fh)
 }
 
 #ifdef RPC_DEBUG
+extern u32 _nfs_display_fhandle_hash(const struct nfs_fh *fh);
+static inline u32 nfs_display_fhandle_hash(const struct nfs_fh *fh)
+{
+        return _nfs_display_fhandle_hash(fh);
+}
 extern void _nfs_display_fhandle(const struct nfs_fh *fh, const char *caption);
 #define nfs_display_fhandle(fh, caption)                        \
         do {                                                    \
@@ -403,6 +408,9 @@ extern void _nfs_display_fhandle(const struct nfs_fh *fh, const char *caption);
                         _nfs_display_fhandle(fh, caption);      \
         } while (0)
 #else
+static inline u32 nfs_display_fhandle_hash(const struct nfs_fh *fh)
+{
+}
 static inline void nfs_display_fhandle(const struct nfs_fh *fh,
                                        const char *caption)
 {