fs/bcachefs/fsck.c

62 static int subvol_lookup(struct btree_trans *trans, u32 subvol,
66 	int ret = bch2_subvolume_get(trans, subvol, false, 0, &s);
182 	subvol_inum root_inum = { .subvol = le32_to_cpu(st.master_subvol) };
184 	struct bch_subvolume subvol;
186 				 false, 0, &subvol);
187 	bch_err_msg(c, ret, "looking up root subvol %u for snapshot %u",
192 	if (!subvol.inode) {
194 		struct bkey_i_subvolume *subvol = bch2_bkey_get_mut_typed(trans, &iter,
197 		ret = PTR_ERR_OR_ZERO(subvol);
201 		subvol->v.inode = cpu_to_le64(reattaching_inum);
205 	root_inum.inum = le64_to_cpu(subvol.inode);
211 	bch_err_msg(c, ret, "looking up root inode %llu for subvol %u",
303 		snprintf(name_buf, sizeof(name_buf), "subvol-%u", inode->bi_subvol);
384 		bch_err(c, "need to reconstruct subvol, but have interior node snapshot");
413 	bch_info(c, "reconstructing subvol %u with root inode %llu", subvolid, inum);
439 	s->v.subvol = cpu_to_le32(subvolid);
1105 			"inode %llu:%u has subvol %u but nonzero parent subvol %u",
1131 				"inode %llu:%u points to subvol %u, but subvol points to %llu:%u",
1879 		 * Couldn't find a subvol for dirent's snapshot - but we lost
1894 			"dirent not visible in parent_subvol (not an ancestor of subvol snap %u)\n%s",
1898 			bch_err(c, "could not find a subvol for snapshot %u", d.k->p.snapshot);
1929 			"subvol with wrong fs_path_parent, should be be %u\n%s",
1949 		bch_err(c, "subvol %u points to missing inode root %llu", target_subvol, target_inum);
1957 			"subvol root %llu has wrong bi_parent_subvol: got %u, should be %u",
2208 				"root subvol missing")) {
2224 		bch_err_msg(c, ret, "writing root subvol");