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Date: Sat, 1 Sep 2007 11:52:45 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: freebsd-questions@freebsd.org
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Subject: vfs.read_max
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what that variable exactly mean?

how many UFS blocks will be read-ahead at most? or MAXPHYS blocks, or UFS 
extents?