ceph: add ino32 mount option

The ino32 mount option forces the ceph fs to report 32 bit
ino values.  This is useful for 64 bit kernels with 32 bit userspace.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>

1 files changed, 8 insertions, 1 deletions

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 60456361e07d..b54c97da1c43 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -36,6 +36,13 @@ static void ceph_vmtruncate_work(struct work_struct *work);
 /*
  * find or create an inode, given the ceph ino number
  */
+static int ceph_set_ino_cb(struct inode *inode, void *data)
+{
+        ceph_inode(inode)->i_vino = *(struct ceph_vino *)data;
+        inode->i_ino = ceph_vino_to_ino(*(struct ceph_vino *)data);
+        return 0;
+}
+
 struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino)
 {
         struct inode *inode;
@@ -1809,7 +1816,7 @@ int ceph_getattr(struct vfsmount *mnt, struct dentry *dentry,
         err = ceph_do_getattr(inode, CEPH_STAT_CAP_INODE_ALL);
         if (!err) {
                 generic_fillattr(inode, stat);
-                stat->ino = inode->i_ino;
+                stat->ino = ceph_translate_ino(inode->i_sb, inode->i_ino);
                 if (ceph_snap(inode) != CEPH_NOSNAP)
                         stat->dev = ceph_snap(inode);
                 else