225 		struct bch_fs *c = container_of(sb, struct bch_fs, disk_sb);  in bch2_sb_field_resize_id()
232 			struct bch_sb_handle *dev_sb = &ca->disk_sb;  in bch2_sb_field_resize_id()
352 static int bch2_sb_validate(struct bch_sb_handle *disk_sb,  in bch2_sb_validate()  argument
355 	struct bch_sb *sb = disk_sb->sb;  in bch2_sb_validate()
515 	struct bch_sb *src = c->disk_sb.sb;  in bch2_sb_update()
617 	ret =   bch2_sb_realloc(&c->disk_sb, 0) ?:  in bch2_sb_to_fs()
618 		__copy_super(&c->disk_sb, src) ?:  in bch2_sb_to_fs()
630 	return __copy_super(&ca->disk_sb, c->disk_sb.sb);  in bch2_sb_from_fs()
891 	struct bch_sb *sb = ca->disk_sb.sb;  in read_back_super()
892 	struct bio *bio = ca->disk_sb.bio;  in read_back_super()
894 	bio_reset(bio, ca->disk_sb.bdev, REQ_OP_READ|REQ_SYNC|REQ_META);  in read_back_super()
909 	struct bch_sb *sb = ca->disk_sb.sb;  in write_one_super()
910 	struct bio *bio = ca->disk_sb.bio;  in write_one_super()
918 	bio_reset(bio, ca->disk_sb.bdev, REQ_OP_WRITE|REQ_SYNC|REQ_META);  in write_one_super()
924 			     bdev_logical_block_size(ca->disk_sb.bdev)));  in write_one_super()
964 	c->disk_sb.sb->magic = BCHFS_MAGIC;  in bch2_write_super()
965 	c->disk_sb.sb->layout.magic = BCHFS_MAGIC;  in bch2_write_super()
967 	le64_add_cpu(&c->disk_sb.sb->seq, 1);  in bch2_write_super()
969 	struct bch_sb_field_members_v2 *mi = bch2_sb_field_get(c->disk_sb.sb, members_v2);  in bch2_write_super()
971 		__bch2_members_v2_get_mut(mi, (*ca)->dev_idx)->seq = c->disk_sb.sb->seq;  in bch2_write_super()
972 	c->disk_sb.sb->write_time = cpu_to_le64(ktime_get_real_seconds());  in bch2_write_super()
975 		SET_BCH_SB_HAS_ERRORS(c->disk_sb.sb, 1);  in bch2_write_super()
977 		SET_BCH_SB_HAS_TOPOLOGY_ERRORS(c->disk_sb.sb, 1);  in bch2_write_super()
979 	SET_BCH_SB_BIG_ENDIAN(c->disk_sb.sb, CPU_BIG_ENDIAN);  in bch2_write_super()
983 	bch2_sb_members_cpy_v2_v1(&c->disk_sb);  in bch2_write_super()
993 		ret = bch2_sb_validate(&(*ca)->disk_sb, BCH_VALIDATE_write, &err);  in bch2_write_super()
1007 	if (!BCH_SB_INITIALIZED(c->disk_sb.sb))  in bch2_write_super()
1010 	if (le16_to_cpu(c->disk_sb.sb->version) > bcachefs_metadata_version_current) {  in bch2_write_super()
1013 		bch2_version_to_text(&buf, le16_to_cpu(c->disk_sb.sb->version));  in bch2_write_super()
1037 		if (le64_to_cpu(ca->sb_read_scratch->seq) < ca->disk_sb.seq) {  in bch2_write_super()
1040 			prt_bdevname(&buf, ca->disk_sb.bdev);  in bch2_write_super()
1044 				ca->disk_sb.seq);  in bch2_write_super()
1050 		if (le64_to_cpu(ca->sb_read_scratch->seq) > ca->disk_sb.seq) {  in bch2_write_super()
1053 			prt_bdevname(&buf, ca->disk_sb.bdev);  in bch2_write_super()
1057 				ca->disk_sb.seq);  in bch2_write_super()
1072 			    sb < ca->disk_sb.sb->layout.nr_superblocks) {  in bch2_write_super()
1086 			ca->disk_sb.seq = le64_to_cpu(ca->disk_sb.sb->seq);  in bch2_write_super()
1129 		c->disk_sb.sb->features[0] |= cpu_to_le64(1ULL << feat);  in __bch2_check_set_feature()
1150 	if (BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb) > bcachefs_metadata_version_current)  in bch2_check_version_downgrade()
1151 		SET_BCH_SB_VERSION_UPGRADE_COMPLETE(c->disk_sb.sb, bcachefs_metadata_version_current);  in bch2_check_version_downgrade()
1153 		c->disk_sb.sb->version = cpu_to_le16(bcachefs_metadata_version_current);  in bch2_check_version_downgrade()
1155 		c->disk_sb.sb->version_min = cpu_to_le16(bcachefs_metadata_version_current);  in bch2_check_version_downgrade()
1156 	c->disk_sb.sb->compat[0] &= cpu_to_le64((1ULL << BCH_COMPAT_NR) - 1);  in bch2_check_version_downgrade()
1165 	    BCH_VERSION_MAJOR(le16_to_cpu(c->disk_sb.sb->version)))  in bch2_sb_upgrade()
1166 		bch2_sb_field_resize(&c->disk_sb, downgrade, 0);  in bch2_sb_upgrade()
1168 	c->disk_sb.sb->version = cpu_to_le16(new_version);  in bch2_sb_upgrade()
1169 	c->disk_sb.sb->features[0] |= cpu_to_le64(BCH_SB_FEATURES_ALL);  in bch2_sb_upgrade()