K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2011-07-04T20:53:55.149389Z
K 7
svn:log
V 462
 - It is impossible to run request_cleanup() while doing a copyonwrite.
   This will most likely cause new block allocations which can recurse
   into request cleanup.
 - While here optimize the ufs locking slightly.  We need only acquire and
   drop once.
 - process_removes() and process_truncates() also is only needed once.
 - Attempt to flush each item on the worklist once but do not loop forever
   if some can not be completed.

Discussed with:	mckusick

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