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-rw-r--r--fs/ocfs2/xattr.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 3e2e92d70594..73fb9f762512 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2359,13 +2359,21 @@ meta_guess:
} else
xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
+ /*
+ * If there is already an xattr tree, good, we can calculate
+ * like other b-trees. Otherwise we may have the chance of
+ * create a tree, the credit calculation is borrowed from
+ * ocfs2_calc_extend_credits with root_el = NULL. And the
+ * new tree will be cluster based, so no meta is needed.
+ */
if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
struct ocfs2_extent_list *el =
&xb->xb_attrs.xb_root.xt_list;
meta_add += ocfs2_extend_meta_needed(el);
credits += ocfs2_calc_extend_credits(inode->i_sb,
el, 1);
- }
+ } else
+ credits += OCFS2_SUBALLOC_ALLOC + 1;
/*
* This cluster will be used either for new bucket or for