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Date: Thu, 25 Dec 2008 10:04:47 -0800 From: Mark Fasheh <mfasheh@...e.com> To: linux-kernel@...r.kernel.org Cc: ocfs2-devel@....oracle.com, Joel Becker <joel.becker@...cle.com>, Tao Ma <tao.ma@...cle.com>, Mark Fasheh <mfasheh@...e.com> Subject: [PATCH 32/35] ocfs2/xattr: fix credits calculation during index create From: Tao Ma <tao.ma@...cle.com> 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 <tao.ma@...cle.com> Signed-off-by: Mark Fasheh <mfasheh@...e.com> --- fs/ocfs2/xattr.c | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) 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 -- 1.5.6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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