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XFS_TRANS_HAS_INTENT_DONE is a flag to the CIL that we've added a log
intent done item to the transaction.  This enables an optimization
wherein we avoid writing out log intent and log intent done items if
they would have ended up in the same checkpoint.  This reduces writes to
the ondisk log and speeds up recovery as a result.

However, callers can use the defer ops machinery to modify xattrs
without using the log items.  In this situation, there won't be an
intent done item, so we do not need to set the flag.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>