vflush
— flush
vnodes for a mount point
#include
<sys/param.h>
#include <sys/vnode.h>
int
vflush
(struct
mount *mp, int
rootrefs, int
flags, struct thread
*td);
The
vflush
()
function removes any vnodes in the vnode table that belong to the given
mount structure.
Its arguments are:
- mp
- The mount point whose vnodes should be removed.
- rootrefs
- The number of references expected on the root vnode.
vrele(9)
will be invoked on the root vnode rootrefs
times.
- flags
- The flags indicating how vnodes should be handled.
FORCECLOSE
- If set, busy vnodes will be forcibly closed.
SKIPSYSTEM
- If set, vnodes with the
VV_SYSTEM
flag set
will be skipped.
WRITECLOSE
- If set, only regular files currently opened for writing will be
removed.
- td
- The calling thread.
A value of 0 is returned if the flush is successful; otherwise,
EBUSY
will be returned.