DEFINE_MUTEX(uuid_mutex);
static LIST_HEAD(fs_uuids);
+struct list_head *btrfs_get_fs_uuids(void)
+{
+ return &fs_uuids;
+}
static struct btrfs_fs_devices *__alloc_fs_devices(void)
{
*/
snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU",
root->fs_info->fsid);
- if (kobject_rename(&root->fs_info->super_kobj, fsid_buf))
+ if (kobject_rename(&root->fs_info->fs_devices->super_kobj,
+ fsid_buf))
goto error_trans;
}
{
u64 chunk_offset;
+ ASSERT(mutex_is_locked(&extent_root->fs_info->chunk_mutex));
chunk_offset = find_next_chunk(extent_root->fs_info);
return __btrfs_alloc_chunk(trans, extent_root, chunk_offset, type);
}
}
unlock_chunks(root);
}
+
+void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info)
+{
+ struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
+ while (fs_devices) {
+ fs_devices->fs_info = fs_info;
+ fs_devices = fs_devices->seed;
+ }
+}
+
+void btrfs_reset_fs_info_ptr(struct btrfs_fs_info *fs_info)
+{
+ struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
+ while (fs_devices) {
+ fs_devices->fs_info = NULL;
+ fs_devices = fs_devices->seed;
+ }
+}