ceph: don't clobber i_max_offset on already complete dir

This can screw up offsets assigned to new dentries and break dcache
readdir results.

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

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 49a0935..aa22a0b 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -675,7 +675,8 @@ static int fill_inode(struct inode *inode,
                /* set dir completion flag? */
                if (ci->i_files == 0 && ci->i_subdirs == 0 &&
                    ceph_snap(inode) == CEPH_NOSNAP &&
-                   (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED)) {
+                   (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED) &&
+                   (ci->i_ceph_flags & CEPH_I_COMPLETE) == 0) {
                        dout(" marking %p complete (empty)\n", inode);
                        ci->i_ceph_flags |= CEPH_I_COMPLETE;
                        ci->i_max_offset = 2;