ceph: listxattr should compare version by >=

If the version hasn't changed, don't rebuild the index.

Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 3b4c2620030ad6c9d28514fc55bda4a47484516d..7185d0794df3305cf95bd53676def28616599cbc 100644 (file)
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -568,7 +568,7 @@ ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
             ci->i_xattrs.version, ci->i_xattrs.index_version);
 
        if (__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 1) &&
-           (ci->i_xattrs.index_version > ci->i_xattrs.version)) {
+           (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
                goto list_xattr;
        } else {
                spin_unlock(&inode->i_lock);