K 10
svn:author
V 8
mckusick
K 8
svn:date
V 27
2012-06-21T03:58:10.443341Z
K 7
svn:log
V 222
MFC of 236825

When synchronously syncing a device (MNT_WAIT), wait for buffers
to become available. Otherwise we may excessively spin and fail
with ``fsync: giving up on dirty''.

Reviewed by: kib
Tested by:   Peter Holm

END