fs/bcachefs/super-io.c

623 static int read_one_super(struct bch_sb_handle *sb, u64 offset, struct printbuf *err)
634 		prt_printf(err, "IO error: %i", ret);
640 		prt_str(err, "Not a bcachefs superblock (got magic ");
641 		pr_uuid(err, sb->sb->magic.b);
642 		prt_str(err, ")");
646 	ret = bch2_sb_compatible(sb->sb, err);
653 		prt_printf(err, "Invalid superblock: too big (got %zu bytes, layout max %lu)",
667 		prt_printf(err, "unknown checksum type %llu", BCH_SB_CSUM_TYPE(sb->sb));
674 		bch2_csum_err_msg(err, csum_type, sb->sb->csum, csum);
688 	struct printbuf err = PRINTBUF;
705 		prt_printf(&err, "error allocating memory for sb_name");
706 		goto err;
733 		prt_printf(&err, "error opening %s: %s", path, bch2_err_str(ret));
734 		goto err;
740 		prt_printf(&err, "error allocating memory for superblock");
741 		goto err;
745 		prt_printf(&err, "dynamic fault");
747 		goto err;
750 	ret = read_one_super(sb, offset, &err);
755 		goto err;
758 	       path, err.buf);
765 	printbuf_reset(&err);
781 		prt_printf(&err, "IO error: %i", ret);
782 		goto err;
786 	ret = validate_sb_layout(&layout, &err);
788 		goto err;
797 		ret = read_one_super(sb, offset, &err);
802 	goto err;
813 		prt_printf(&err, "block size (%u) smaller than device block size (%u)",
817 		goto err;
822 	ret = bch2_sb_validate(sb, &err, READ);
825 				path, err.buf);
829 	printbuf_exit(&err);
831 err:
833 			path, err.buf);
921 	struct printbuf err = PRINTBUF;
966 		printbuf_reset(&err);
968 		ret = bch2_sb_validate(&ca->disk_sb, &err, WRITE);
970 			bch2_fs_inconsistent(c, "sb invalid before write: %s", err.buf);
1080 	printbuf_exit(&err);
1138 				struct printbuf *err)
1141 		prt_printf(err, "field too small (%zu < %u)", vstruct_bytes(f), 88);
1199 				  struct printbuf *err)
1208 		prt_printf(err, "Invalid superblock section %s: %s",
1210 		prt_newline(err);
1211 		bch2_sb_field_to_text(err, sb, f);