K 10
svn:author
V 6
scottl
K 8
svn:date
V 27
2013-07-31T15:55:01.936315Z
K 7
svn:log
V 143
Another fix for r253823; retain the default of 1 readahead block for sendfile.

Submitted by:	glebius
Obtained from:	Netflix
MFC after:	3 days

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