static int
doflush(struct puffs_usermount *pu, puffs_cookie_t cookie, int op,
off_t start, off_t end)
{
struct puffs_framebuf *pb;
struct puffs_flush *pf;
size_t winlen;
int rv;
pb = puffs_framebuf_make();
if (pb == NULL)
return ENOMEM;
winlen = sizeof(struct puffs_flush);
if ((rv = puffs_framebuf_getwindow(pb, 0, (void *)&pf, &winlen)) == -1)
goto out;
assert(winlen == sizeof(struct puffs_flush));
pf->pf_req.preq_buflen = sizeof(struct puffs_flush);
pf->pf_req.preq_opclass = PUFFSOP_FLUSH;
pf->pf_req.preq_id = puffs__nextreq(pu);
pf->pf_op = op;
pf->pf_cookie = cookie;
pf->pf_start = start;
pf->pf_end = end;
rv = puffs_framev_enqueue_cc(puffs_cc_getcc(pu),
puffs_getselectable(pu), pb, 0);
out:
puffs_framebuf_destroy(pb);
return rv;
}
struct puffs_framebuf *
psbuf_makeout()
{
struct puffs_framebuf *pb;
pb = puffs_framebuf_make();
puffs_framebuf_seekset(pb, 4);
return pb;
}
