static int
sysctl_iodmin(SYSCTL_HANDLER_ARGS)
{
int error, i;
int newmin;
newmin = nfs_iodmin;
error = sysctl_handle_int(oidp, &newmin, 0, req);
if (error || (req->newptr == NULL))
return (error);
mtx_lock(&nfs_iod_mtx);
if (newmin > nfs_iodmax) {
error = EINVAL;
goto out;
}
nfs_iodmin = newmin;
if (nfs_numasync >= nfs_iodmin)
goto out;
/*
* If the current number of nfsiod is lower
* than the new minimum, create some more.
*/
for (i = nfs_iodmin - nfs_numasync; i > 0; i--)
nfs_nfsiodnew(0);
out:
mtx_unlock(&nfs_iod_mtx);
return (0);
}
static void
nfsiod_setup(void *dummy)
{
int i;
int error;
TUNABLE_INT_FETCH("vfs.nfs.iodmin", &nfs_iodmin);
/* Silently limit the start number of nfsiod's */
if (nfs_iodmin > NFS_MAXASYNCDAEMON)
nfs_iodmin = NFS_MAXASYNCDAEMON;
for (i = 0; i < nfs_iodmin; i++) {
error = nfs_nfsiodnew();
if (error == -1)
panic("nfsiod_setup: nfs_nfsiodnew failed");
}
}
