tree 8e4d2e1b5c49cb379c0f800e00e1cd01d33d4d0c
parent b80b549c3520b31d3bbc4b36e37e0a5102da0b94
author Mark Fasheh <mfasheh@suse.com> 1235078225 -0800
committer Mark Fasheh <mfasheh@suse.com> 1238783957 -0700

ocfs2: fix leaf start calculation in ocfs2_dx_dir_rebalance()

ocfs2_dx_dir_rebalance() is passed the block offset of a dx leaf which needs
rebalancing. Since we rebalance an entire cluster at a time however, this
function needs to calculate the beginning of that cluster, in blocks. The
calculation was wrong, which would result in a read of non-leaf blocks. Fix
the calculation by adding ocfs2_block_to_cluster_start() which is a more
straight-forward way of determining this.

Reported-by: Tristan Ye <tristan.ye@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>