Re: [PATCH v2] xfs: use xfs_trans_ail_copy_lsn for lockless li_lsn read in CIL formatting

[Christoph Hellwig]

Looks good to me, even if the additional lock on 32-bit might hurt
that one person or two running performance critical workloads on
32-bit systems:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

But I'd really like to have Dave look over this as he's the resident
expert in this area.