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Commit 90cb546c authored by Tao Ma's avatar Tao Ma Committed by Mark Fasheh
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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: default avatarTao Ma <tao.ma@oracle.com>
Signed-off-by: default avatarMark Fasheh <mfasheh@suse.com>
parent 4b3f6209

fs/ocfs2/xattr.c

+9 −1
Original line number Diff line number Diff line
@@ -2359,13 +2359,21 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode, 
		} 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