K 10
svn:author
V 4
jeff
K 8
svn:date
V 27
2013-05-31T00:43:41.773560Z
K 7
svn:log
V 359
 - Convert the bufobj lock to rwlock.
 - Use a shared bufobj lock in getblk() and inmem().
 - Convert softdep's lk to rwlock to match the bufobj lock.
 - Move INFREECNT to b_flags and protect it with the buf lock.
 - Remove unnecessary locking around bremfree() and BKGRDINPROG.

Sponsored by:	EMC / Isilon Storage Division
Discussed with:	mckusick, kib, mdf

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