K 10
svn:author
V 3
mjg
K 8
svn:date
V 27
2014-08-26T08:17:22.417827Z
K 7
svn:log
V 190
Fix up races with f_seqcount handling.

It was possible that the kernel would overwrite user-supplied hint.

Abuse vnode lock for this purpose.

In collaboration with: kib
MFC after:	1 week

END