From: Tao Ma Date: Thu, 4 Dec 2008 22:20:56 +0000 (+0800) Subject: ocfs2/xattr: fix credits calculation during index create X-Git-Tag: v3.0~11456^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=90cb546cada68bb8c2278afdb4b65c2ac11f2877;p=platform%2Fkernel%2Flinux-amlogic.git ocfs2/xattr: fix credits calculation during index create When creating a xattr index block, the old calculation forget to add credits for the meta change of the alloc file. So add more credits and more comments to explain it. Signed-off-by: Tao Ma Signed-off-by: Mark Fasheh --- diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3e2e92d..73fb9f7 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