K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-05-18T12:03:57.989834Z
K 7
svn:log
V 291
Ensure that ftruncate(2) is performed synchronously when file is
opened in O_SYNC mode, at least for UFS.  This also handles
truncation, done due to the O_SYNC | O_TRUNC flags combination to
open(2), in synchronous way.

Noted by:	bde
Sponsored by:	The FreeBSD Foundation
MFC after:	2 weeks

END