K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2012-01-25T20:54:09.316929Z
K 7
svn:log
V 311
When doing vflush(WRITECLOSE), clean vnode pages.

Unmounts do vfs_msync() before calling VFS_UNMOUNT(), but there is
still a race allowing a process to dirty pages after msync
finished. Remounts rw->ro just left dirty pages in system.

Reviewed by:	alc, tegge (long time ago)
Tested by:	pho
MFC after:	2 weeks

END