K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2006-02-07T16:04:03.000000Z
K 7
svn:log
V 760
- Add a kthread to periodically call acctwatch() when accounting is active
  instead of calling acctwatch() from softclock.  The acctwatch() function
  needs to hold an sx lock and also makes a VFS call, and neither of these
  are good things (or safe) to do from a callout.  The kthread only exists
  and is running when accounting is turned on; it is started and stopped
  as needed.  I didn't run acctwatch() via the thread taskqueue at Robert's
  request as he was worried that if the accounting file was over NFS the
  VFS_STAT() calls might stall other work on the taskqueue.
- Add an acct_disable() function to take care of closing the accounting
  vnode and cleaning up so we don't duplicate the same code in two
  different places.

MFC after:	3 days

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