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fix ZFS label handling in non-single disk configs

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Vladimir 'phcoder' Serbinenko committed 2010-12-11 14:56:02 +01:00
1 parent bfff320cdf
commit eb03b55271
1 file changed
+10 -6
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grub-core/fs/zfs/zfs.c
+10 -6
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@@ -179,6 +179,7 @@ struct grub_zfs_data
struct grub_zfs_device_desc *devices_attached; struct grub_zfs_device_desc *devices_attached;
unsigned n_devices_attached; unsigned n_devices_attached;
unsigned n_devices_allocated; unsigned n_devices_allocated;
struct grub_zfs_device_desc *device_original;
uberblock_t current_uberblock; uberblock_t current_uberblock;
@@ -463,7 +464,8 @@ zfs_fetch_nvlist (struct grub_zfs_device_desc *diskdesc, char **nvlist)
} }
static grub_err_t static grub_err_t
fill_vdev_info_real (const char *nvlist, fill_vdev_info_real (struct grub_zfs_data *data,
const char *nvlist,
struct grub_zfs_device_desc *fill, struct grub_zfs_device_desc *fill,
struct grub_zfs_device_desc *insert) struct grub_zfs_device_desc *insert)
{ {
@@ -492,6 +494,8 @@ fill_vdev_info_real (const char *nvlist,
fill->current_uberblock = insert->current_uberblock; fill->current_uberblock = insert->current_uberblock;
fill->original = insert->original; fill->original = insert->original;
} }
if (!data->device_original)
data->device_original = fill;
return GRUB_ERR_NONE; return GRUB_ERR_NONE;
} }
@@ -533,7 +537,7 @@ fill_vdev_info_real (const char *nvlist,
child = grub_zfs_nvlist_lookup_nvlist_array child = grub_zfs_nvlist_lookup_nvlist_array
(nvlist, ZPOOL_CONFIG_CHILDREN, i); (nvlist, ZPOOL_CONFIG_CHILDREN, i);
err = fill_vdev_info_real (child, &fill->children[i], insert); err = fill_vdev_info_real (data, child, &fill->children[i], insert);
grub_free (child); grub_free (child);
@@ -559,7 +563,7 @@ fill_vdev_info (struct grub_zfs_data *data,
for (i = 0; i < data->n_devices_attached; i++) for (i = 0; i < data->n_devices_attached; i++)
if (data->devices_attached[i].id == id) if (data->devices_attached[i].id == id)
return fill_vdev_info_real (nvlist, &data->devices_attached[i], return fill_vdev_info_real (data, nvlist, &data->devices_attached[i],
diskdesc); diskdesc);
data->n_devices_attached++; data->n_devices_attached++;
@@ -581,7 +585,7 @@ fill_vdev_info (struct grub_zfs_data *data,
grub_memset (&data->devices_attached[data->n_devices_attached - 1], grub_memset (&data->devices_attached[data->n_devices_attached - 1],
0, sizeof (data->devices_attached[data->n_devices_attached - 1])); 0, sizeof (data->devices_attached[data->n_devices_attached - 1]));
return fill_vdev_info_real (nvlist, return fill_vdev_info_real (data, nvlist,
&data->devices_attached[data->n_devices_attached - 1], &data->devices_attached[data->n_devices_attached - 1],
diskdesc); diskdesc);
} }
@@ -2514,7 +2518,7 @@ grub_zfs_fetch_nvlist (grub_device_t dev, char **nvlist)
zfs = zfs_mount (dev); zfs = zfs_mount (dev);
if (!zfs) if (!zfs)
return grub_errno; return grub_errno;
err = zfs_fetch_nvlist (&zfs->devices_attached[0], nvlist); err = zfs_fetch_nvlist (zfs->device_original, nvlist);
zfs_unmount (zfs); zfs_unmount (zfs);
return err; return err;
} }
@@ -2530,7 +2534,7 @@ zfs_label (grub_device_t device, char **label)
if (! data) if (! data)
return grub_errno; return grub_errno;
err = zfs_fetch_nvlist (data->devices_attached, &nvlist); err = zfs_fetch_nvlist (data->device_original, &nvlist);
if (err) if (err)
{ {
zfs_unmount (data); zfs_unmount (data);