diff options
Diffstat (limited to 'send-utils.h')
-rw-r--r-- | send-utils.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/send-utils.h b/send-utils.h new file mode 100644 index 00000000..da407eba --- /dev/null +++ b/send-utils.h @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2012 Alexander Block. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License v2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ +#ifndef SEND_UTILS_H_ +#define SEND_UTILS_H_ + +#include "ctree.h" +#include "rbtree.h" + +enum subvol_search_type { + subvol_search_by_root_id, + subvol_search_by_uuid, + subvol_search_by_received_uuid, + subvol_search_by_path, +}; + +struct subvol_info { + struct rb_node rb_root_id_node; + struct rb_node rb_local_node; + struct rb_node rb_received_node; + struct rb_node rb_path_node; + u64 root_id; + u8 uuid[BTRFS_UUID_SIZE]; + u8 parent_uuid[BTRFS_UUID_SIZE]; + u8 received_uuid[BTRFS_UUID_SIZE]; + u64 ctransid; + u64 otransid; + u64 stransid; + u64 rtransid; + + char *path; +}; + +struct subvol_uuid_search { + struct rb_root root_id_subvols; + struct rb_root local_subvols; + struct rb_root received_subvols; + struct rb_root path_subvols; +}; + +int subvol_uuid_search_init(int mnt_fd, struct subvol_uuid_search *s); +struct subvol_info *subvol_uuid_search(struct subvol_uuid_search *s, + u64 root_id, const u8 *uuid, u64 transid, + const char *path, + enum subvol_search_type type); +void subvol_uuid_search_add(struct subvol_uuid_search *s, + struct subvol_info *si); + + + +char *path_cat(const char *p1, const char *p2); +char *path_cat3(const char *p1, const char *p2, const char *p3); + + +#endif /* SEND_UTILS_H_ */ |