Comment # 3 on bug 1019792 from Gang He

The third node,
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ocfs2dev3:~ # cat /proc/6940/stack
[<ffffffffc0594252>] __ocfs2_cluster_lock.isra.38+0x1a2/0x6a0 [ocfs2]
[<ffffffffc05950ef>] ocfs2_inode_lock_full_nested+0x12f/0x850 [ocfs2]
[<ffffffffc05c7511>] ocfs2_reserve_suballoc_bits+0x71/0x410 [ocfs2]
[<ffffffffc05c8075>] ocfs2_reserve_cluster_bitmap_bits+0x35/0x90 [ocfs2]
[<ffffffffc05c818a>] ocfs2_reserve_clusters_with_limit+0xba/0x3c0 [ocfs2]
[<ffffffffc05c8705>] ocfs2_lock_allocators+0x185/0x200 [ocfs2]
[<ffffffffc058350e>] ocfs2_write_begin_nolock+0xb9e/0x18d0 [ocfs2]
[<ffffffffc0584342>] ocfs2_write_begin+0x102/0x1c0 [ocfs2]
[<ffffffff841a086a>] generic_perform_write+0xba/0x190
[<ffffffff841a3185>] __generic_file_write_iter+0x185/0x1d0
[<ffffffffc059dc2a>] ocfs2_file_write_iter+0x43a/0xaa0 [ocfs2]
[<ffffffff8422be37>] __vfs_write+0xc7/0x140
[<ffffffff8422cfc5>] vfs_write+0xb5/0x1a0
[<ffffffff8422e466>] SyS_pwrite64+0x76/0x90
[<ffffffff8471937b>] entry_SYSCALL_64_fastpath+0x1e/0xad
[<ffffffffffffffff>] 0xffffffffffffffff