bool_t
xdr_amq_mount_info_qelem(XDR *xdrs, qelem *qhead)
{
mntfs *mf;
u_int len = 0;
/*
* Compute length of list
*/
for (mf = AM_LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
if (!(mf->mf_fsflags & FS_AMQINFO))
continue;
len++;
}
xdr_u_int(xdrs, &len);
/*
* Send individual data items
*/
for (mf = AM_LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
int up;
if (!(mf->mf_fsflags & FS_AMQINFO))
continue;
if (!xdr_amq_string(xdrs, &mf->mf_ops->fs_type)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_mount)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_info)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_server->fs_host)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mf->mf_error)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mf->mf_refc)) {
return (FALSE);
}
if (FSRV_ERROR(mf->mf_server) || FSRV_ISDOWN(mf->mf_server))
up = 0;
else if (FSRV_ISUP(mf->mf_server))
up = 1;
else
up = -1;
if (!xdr_int(xdrs, &up)) {
return (FALSE);
}
}
return (TRUE);
}
/*
* Automount interface to RPC lookup routine
* Find the corresponding entry and return
* the file handle for it.
*/
am_node *
amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op)
{
am_node *new_mp;
am_loc **al_array;
dlog("in amfs_generic_lookup_child");
*error_return = 0;
new_mp = amfs_lookup_node(mp, fname, error_return);
/* return if we got an error */
if (!new_mp || *error_return > 0)
return new_mp;
/* also return if it's already mounted and known to be up */
if (*error_return == 0 && FSRV_ISUP(new_mp->am_al->al_mnt->mf_server))
return new_mp;
switch (op) {
case VLOOK_DELETE:
/*
* If doing a delete then don't create again!
*/
ereturn(ENOENT);
case VLOOK_LOOKUP:
return new_mp;
}
al_array = amfs_lookup_loc(new_mp, error_return);
if (!al_array) {
new_mp->am_error = new_mp->am_al->al_mnt->mf_error = *error_return;
free_map(new_mp);
return NULL;
}
/* store the array inside the am_node */
new_mp->am_alarray = al_array;
/*
* Note: while it might seem like a good idea to prioritize
* the list of mntfs's we got here, it probably isn't.
* It would ignore the ordering of entries specified by the user,
* which is counterintuitive and confusing.
*/
return new_mp;
}
/*
* Automount interface to RPC lookup routine
* Find the corresponding entry and return
* the file handle for it.
*/
am_node *
amfs_generic_lookup_child(am_node *mp, char *fname, int *error_return, int op)
{
am_node *new_mp;
mntfs **mf_array;
int mp_error;
dlog("in amfs_generic_lookup_child");
*error_return = 0;
new_mp = amfs_lookup_node(mp, fname, error_return);
/* return if we got an error */
if (!new_mp || *error_return > 0)
return new_mp;
/* also return if it's already mounted and known to be up */
if (*error_return == 0 && FSRV_ISUP(new_mp->am_mnt->mf_server))
return new_mp;
switch (op) {
case VLOOK_DELETE:
/*
* If doing a delete then don't create again!
*/
ereturn(ENOENT);
case VLOOK_LOOKUP:
return new_mp;
}
/* save error_return */
mp_error = *error_return;
mf_array = amfs_lookup_mntfs(new_mp, error_return);
if (!mf_array) {
new_mp->am_error = new_mp->am_mnt->mf_error = *error_return;
free_map(new_mp);
return NULL;
}
/*
* Already mounted but known to be down:
* check if we have any alternatives to mount
*/
if (mp_error == 0) {
mntfs **mfp;
for (mfp = mf_array; *mfp; mfp++)
if (*mfp != new_mp->am_mnt)
break;
if (*mfp != NULL) {
/*
* we found an alternative, so try mounting again.
*/
*error_return = -1;
} else {
for (mfp = mf_array; *mfp; mfp++)
free_mntfs(*mfp);
XFREE(mf_array);
if (new_mp->am_flags & AMF_SOFTLOOKUP) {
ereturn(EIO);
} else {
*error_return = 0;
return new_mp;
}
}
}
/* store the array inside the am_node */
new_mp->am_mfarray = mf_array;
/*
* Note: while it might seem like a good idea to prioritize
* the list of mntfs's we got here, it probably isn't.
* It would ignore the ordering of entries specified by the user,
* which is counterintuitive and confusing.
*/
return new_mp;
}
