ceph: fix frag offset for non-leftmost frags

We start at offset 2 for the leftmost frag, and 0 for subsequent frags.
When we reach the end (rightmost), we go back to 2.  This fixes readdir on
fragmented (large) directories.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 4 insertions, 1 deletions

diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 1e11ed716f8..5f67728ba4d 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -336,7 +336,10 @@ more:
                 if (req->r_reply_info.dir_end) {
                         kfree(fi->last_name);
                         fi->last_name = NULL;
-                        fi->next_offset = 2;
+                        if (ceph_frag_is_rightmost(frag))
+                                fi->next_offset = 2;
+                        else
+                                fi->next_offset = 0;
                 } else {
                         rinfo = &req->r_reply_info;
                         err = note_last_dentry(fi,