/*
* zfs_init_libshare(zhandle, service)
*
* Initialize the libshare API if it hasn't already been initialized.
* In all cases it returns 0 if it succeeded and an error if not. The
* service value is which part(s) of the API to initialize and is a
* direct map to the libshare sa_init(service) interface.
*/
int
zfs_init_libshare(libzfs_handle_t *zhandle, int service)
{
int ret = SA_OK;
if (_sa_init == NULL)
ret = SA_CONFIG_ERR;
if (ret == SA_OK && zhandle->libzfs_shareflags & ZFSSHARE_MISS) {
/*
* We had a cache miss. Most likely it is a new ZFS
* dataset that was just created. We want to make sure
* so check timestamps to see if a different process
* has updated any of the configuration. If there was
* some non-ZFS change, we need to re-initialize the
* internal cache.
*/
zhandle->libzfs_shareflags &= ~ZFSSHARE_MISS;
if (_sa_needs_refresh != NULL &&
_sa_needs_refresh(zhandle->libzfs_sharehdl)) {
zfs_uninit_libshare(zhandle);
zhandle->libzfs_sharehdl = _sa_init(service);
}
}
if (ret == SA_OK && zhandle && zhandle->libzfs_sharehdl == NULL)
zhandle->libzfs_sharehdl = _sa_init(service);
if (ret == SA_OK && zhandle->libzfs_sharehdl == NULL)
ret = SA_NO_MEMORY;
return (ret);
}
/*
* zfs_init_libshare(zhandle, service)
*
* Initialize the libshare API if it hasn't already been initialized.
* In all cases it returns 0 if it succeeded and an error if not. The
* service value is which part(s) of the API to initialize and is a
* direct map to the libshare sa_init(service) interface.
*/
int
zfs_init_libshare(libzfs_handle_t *zhandle, int service)
{
if (_sa_init == NULL)
return (SA_CONFIG_ERR);
/*
* Attempt to refresh libshare. This is necessary if there was a cache
* miss for a new ZFS dataset that was just created, or if state of the
* sharetab file has changed since libshare was last initialized. We
* want to make sure so check timestamps to see if a different process
* has updated any of the configuration. If there was some non-ZFS
* change, we need to re-initialize the internal cache.
*/
if (_sa_needs_refresh != NULL &&
_sa_needs_refresh(zhandle->libzfs_sharehdl)) {
zfs_uninit_libshare(zhandle);
zhandle->libzfs_sharehdl = _sa_init(service);
}
if (zhandle && zhandle->libzfs_sharehdl == NULL)
zhandle->libzfs_sharehdl = _sa_init(service);
if (zhandle->libzfs_sharehdl == NULL)
return (SA_NO_MEMORY);
return (SA_OK);
}