10 #include "snapshot.h"
35 	struct bch_snapshot snapshot;  in check_subvol()  local
44 	snapid = le32_to_cpu(subvol.v->snapshot);  in check_subvol()
45 	ret = bch2_snapshot_lookup(trans, snapid, &snapshot);  in check_subvol()
106 			inode.bi_snapshot = le32_to_cpu(subvol.v->snapshot);  in check_subvol()
115 			     le32_to_cpu(subvol.v->snapshot))) {  in check_subvol()
126 		u32 snapshot_root = bch2_snapshot_root(c, le32_to_cpu(subvol.v->snapshot));  in check_subvol()
137 				"%s: snapshot tree %u not found", __func__, snapshot_tree);  in check_subvol()
144 				"subvolume %llu is not set as snapshot but is not master subvolume",  in check_subvol()
221 	bkey_fsck_err_on(!subvol.v->snapshot,  in bch2_subvolume_validate()
223 			 "invalid snapshot");  in bch2_subvolume_validate()
237 	prt_printf(out, "root %llu snapshot id %u",  in bch2_subvolume_to_text()
239 		   le32_to_cpu(s.v->snapshot));  in bch2_subvolume_to_text()
325 int bch2_snapshot_get_subvol(struct btree_trans *trans, u32 snapshot,  in bch2_snapshot_get_subvol()  argument
330 	return  bch2_snapshot_lookup(trans, snapshot, &snap) ?:  in bch2_snapshot_get_subvol()
351 		*snapid = le32_to_cpu(subvol.v->snapshot);  in __bch2_subvolume_get_snapshot()
387  * Separate from the snapshot tree in the snapshots btree, we record the tree
388  * structure of how snapshot subvolumes were created - the parent subvolume of
389  * each snapshot subvolume.
408  * Delete subvolume, mark snapshot ID as deleted, queue up snapshot
426 	u32 snapid = le32_to_cpu(subvol.v->snapshot);  in __bch2_subvolume_delete()
428 	struct bkey_s_c_snapshot snapshot =  in __bch2_subvolume_delete()  local
431 				0, snapshot);  in __bch2_subvolume_delete()
432 	ret = bkey_err(snapshot);  in __bch2_subvolume_delete()
434 				"missing snapshot %u", snapid);  in __bch2_subvolume_delete()
438 	u32 treeid = le32_to_cpu(snapshot.v->tree);  in __bch2_subvolume_delete()
446 				"missing snapshot tree %u", treeid);  in __bch2_subvolume_delete()
595 		/* Creating a snapshot: */  in bch2_subvolume_create()
607 		parent = le32_to_cpu(src_subvol->v.snapshot);  in bch2_subvolume_create()
617 		src_subvol->v.snapshot = cpu_to_le32(new_nodes[1]);  in bch2_subvolume_create()
629 	new_subvol->v.snapshot		= cpu_to_le32(new_nodes[0]);  in bch2_subvolume_create()
670 	root_volume.v.snapshot	= cpu_to_le32(U32_MAX);  in bch2_initialize_subvolumes()