Differential D25512 Diff 77280 head/lib/libbe/be_info.c

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head/lib/libbe/be_info.c

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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF		* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.		* SUCH DAMAGE.
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/zfs_context.h>		#include <sys/zfs_context.h>
		#include <libzfsbootenv.h>

#include "be.h"		#include "be.h"
#include "be_impl.h"		#include "be_impl.h"

static int snapshot_proplist_update(zfs_handle_t hdl, prop_data_t data);		static int snapshot_proplist_update(zfs_handle_t hdl, prop_data_t data);

/*		/*
* Returns the name of the active boot environment		* Returns the name of the active boot environment
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int		int
be_get_bootenv_props(libbe_handle_t lbh, nvlist_t dsnvl)		be_get_bootenv_props(libbe_handle_t lbh, nvlist_t dsnvl)
{		{
prop_data_t data;		prop_data_t data;

data.lbh = lbh;		data.lbh = lbh;
data.list = dsnvl;		data.list = dsnvl;
data.single_object = false;		data.single_object = false;
		data.bootonce = NULL;
return (be_proplist_update(&data));		return (be_proplist_update(&data));
}		}

int		int
be_get_dataset_props(libbe_handle_t lbh, const char name, nvlist_t *props)		be_get_dataset_props(libbe_handle_t lbh, const char name, nvlist_t *props)
{		{
zfs_handle_t *snap_hdl;		zfs_handle_t *snap_hdl;
prop_data_t data;		prop_data_t data;
int ret;		int ret;

data.lbh = lbh;		data.lbh = lbh;
data.list = props;		data.list = props;
data.single_object = true;		data.single_object = true;
		data.bootonce = NULL;
if ((snap_hdl = zfs_open(lbh->lzh, name,		if ((snap_hdl = zfs_open(lbh->lzh, name,
ZFS_TYPE_FILESYSTEM \| ZFS_TYPE_SNAPSHOT)) == NULL)		ZFS_TYPE_FILESYSTEM \| ZFS_TYPE_SNAPSHOT)) == NULL)
return (BE_ERR_ZFSOPEN);		return (BE_ERR_ZFSOPEN);

ret = prop_list_builder_cb(snap_hdl, &data);		ret = prop_list_builder_cb(snap_hdl, &data);
zfs_close(snap_hdl);		zfs_close(snap_hdl);
return (ret);		return (ret);
}		}

int		int
be_get_dataset_snapshots(libbe_handle_t lbh, const char name, nvlist_t *props)		be_get_dataset_snapshots(libbe_handle_t lbh, const char name, nvlist_t *props)
{		{
zfs_handle_t *ds_hdl;		zfs_handle_t *ds_hdl;
prop_data_t data;		prop_data_t data;
int ret;		int ret;

data.lbh = lbh;		data.lbh = lbh;
data.list = props;		data.list = props;
data.single_object = false;		data.single_object = false;
		data.bootonce = NULL;
if ((ds_hdl = zfs_open(lbh->lzh, name,		if ((ds_hdl = zfs_open(lbh->lzh, name,
ZFS_TYPE_FILESYSTEM)) == NULL)		ZFS_TYPE_FILESYSTEM)) == NULL)
return (BE_ERR_ZFSOPEN);		return (BE_ERR_ZFSOPEN);

ret = snapshot_proplist_update(ds_hdl, &data);		ret = snapshot_proplist_update(ds_hdl, &data);
zfs_close(ds_hdl);		zfs_close(ds_hdl);
return (ret);		return (ret);
}		}
Show All 23 Lines	prop_list_builder_cb(zfs_handle_t zfs_hdl, void data_p)
if (data->single_object)		if (data->single_object)
props = data->list;		props = data->list;
else		else
nvlist_alloc(&props, NV_UNIQUE_NAME, KM_SLEEP);		nvlist_alloc(&props, NV_UNIQUE_NAME, KM_SLEEP);

dataset = zfs_get_name(zfs_hdl);		dataset = zfs_get_name(zfs_hdl);
nvlist_add_string(props, "dataset", dataset);		nvlist_add_string(props, "dataset", dataset);

		if (data->bootonce != NULL &&
		strcmp(dataset, data->bootonce) == 0)
		nvlist_add_boolean_value(props, "bootonce", true);

name = strrchr(dataset, '/') + 1;		name = strrchr(dataset, '/') + 1;
nvlist_add_string(props, "name", name);		nvlist_add_string(props, "name", name);

mounted = zfs_is_mounted(zfs_hdl, &mountpoint);		mounted = zfs_is_mounted(zfs_hdl, &mountpoint);

if (mounted)		if (mounted)
nvlist_add_string(props, "mounted", mountpoint);		nvlist_add_string(props, "mounted", mountpoint);

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int		int
be_proplist_update(prop_data_t *data)		be_proplist_update(prop_data_t *data)
{		{
zfs_handle_t *root_hdl;		zfs_handle_t *root_hdl;

if ((root_hdl = zfs_open(data->lbh->lzh, data->lbh->root,		if ((root_hdl = zfs_open(data->lbh->lzh, data->lbh->root,
ZFS_TYPE_FILESYSTEM)) == NULL)		ZFS_TYPE_FILESYSTEM)) == NULL)
return (BE_ERR_ZFSOPEN);		return (BE_ERR_ZFSOPEN);

		(void) lzbe_get_boot_device(zpool_get_name(data->lbh->active_phandle),
		&data->bootonce);

/* XXX TODO: some error checking here */		/* XXX TODO: some error checking here */
zfs_iter_filesystems(root_hdl, prop_list_builder_cb, data);		zfs_iter_filesystems(root_hdl, prop_list_builder_cb, data);

zfs_close(root_hdl);		zfs_close(root_hdl);

return (0);		return (0);
}		}
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