s390utils/0002-s390-tools-1.5.0-fdasd-raid.patch

From b492189d95a523e9176c1dac4de0fb1216a3af14 Mon Sep 17 00:00:00 2001
From: Dan Horak <dan@danny.cz>
Date: Sat, 19 Jul 2008 16:32:00 +0200
Subject: [PATCH] s390-tools-1.5.0-fdasd-raid

---
 fdasd/fdasd.c |   55 +++++++++++++++++++++++++++++++++++++++++++++----------
 1 files changed, 45 insertions(+), 10 deletions(-)

diff --git a/fdasd/fdasd.c b/fdasd/fdasd.c
index dce9ed3..d011b69 100644
--- a/fdasd/fdasd.c
+++ b/fdasd/fdasd.c
@@ -214,10 +214,10 @@ fdasd_error(fdasd_anchor_t *anc, enum fdasd_failure why, char *str)
 static int
 read_line(void) 
 {
-	bzero(line_buffer, LINE_LENGTH);
 	line_ptr = line_buffer;
         if (!fgets(line_buffer, LINE_LENGTH, stdin))
 		return 0;
+	line_buffer[LINE_LENGTH-1] = 0;
 	while (*line_ptr && !isgraph(*line_ptr))
 		line_ptr++;
 	return *line_ptr;
@@ -278,6 +278,8 @@ fdasd_partition_type (char *str)
 		strcpy(str, "Linux native");
 	else if (strncmp("SWAP  ", str, 6) == 0)
 		strcpy(str, "Linux swap");
+	else if (strncmp("RAID  ", str, 6) == 0)
+		strcpy(str, "Linux Raid");
 	else
 		strcpy(str, "unknown");
 
@@ -1062,6 +1064,7 @@ fdasd_write_vtoc_labels (fdasd_anchor_t *anc)
 			strncpy(c1, s2, 31);
 		}
 		else {
+			char str[20];
 			char *tmp = strstr(ch, "SWAP");
 
 			/* create a new data set name */
@@ -1069,7 +1072,15 @@ fdasd_write_vtoc_labels (fdasd_anchor_t *anc)
 				k++;
 
 			setpos(anc, k, i-1);
-			
+
+			strncpy(s2, ch, 44);
+			s2[44]=0;
+			vtoc_ebcdic_dec(s2, s2, 44);
+			c2 = strstr(s2, "PART");
+			if (c2 != NULL) strncpy(str, c2+=9, 6);
+			str[6] = '\0';
+			fdasd_partition_type(str);
+
 			strncpy(ch, "LINUX.V               "
 				"                      ", 44);
 
@@ -1087,8 +1098,16 @@ fdasd_write_vtoc_labels (fdasd_anchor_t *anc)
 			c1 += 4;
 			if (tmp)
 				strncpy(c1, ".SWAP", 5);
-			else
-				strncpy(c1, ".NATIVE", 7);
+			else {
+				if (strcmp("unknown", str) == 0) {
+					strncpy(c1, ".NATIVE", 7);
+				}
+				else {
+					strncpy(c1, ".", 1);
+					strncpy(c1+1, c2, 6);
+				}
+			}
+
 		}
 		vtoc_ebcdic_enc(ch, ch, 44);
 		if (anc->verbose) printf("f1 ");
@@ -1325,9 +1344,10 @@ fdasd_change_part_type (fdasd_anchor_t *anc)
 
 	printf("current partition type is: %s\n\n", fdasd_partition_type(str));
 	printf("   1  Linux native\n" \
-	       "   2  Linux swap\n\n");
+	       "   2  Linux swap\n" \
+	       "   3  Linux raid\n\n");
 	part_type = 0;
-	while ((part_type < 1) || (part_type > 2)) {
+	while ((part_type < 1) || (part_type > 3)) {
         	while (!isdigit(part_type = 
 				read_char("new partition type: ")));
         	part_type -= 48;
@@ -1340,6 +1360,9 @@ fdasd_change_part_type (fdasd_anchor_t *anc)
         case 2:
 		strncpy(str, "SWAP  ", 6);
                 break;
+        case 3:
+		strncpy(str, "RAID  ", 6);
+                break;
         default:
                 printf("'%d' is not supported!\n", part_type);
         }
@@ -1503,7 +1526,7 @@ fdasd_process_invalid_vtoc(fdasd_anchor_t *anc)
 static void
 fdasd_process_valid_vtoc(fdasd_anchor_t *anc, unsigned long blk)
 {
-	int f1_counter = 0, f7_counter = 0, f5_counter = 0;
+	int f1_counter = 0, f7_counter = 0, f5_counter = 0, oldfmt = 0;
 	int i, part_no, f1_size = sizeof(format1_label_t);
 	partition_info_t *part_info = anc->first;
 	format1_label_t f1_label;
@@ -1538,14 +1561,26 @@ fdasd_process_valid_vtoc(fdasd_anchor_t *anc, unsigned long blk)
 			vtoc_ebcdic_enc(part_info->f1->DS1DSNAM,
 					part_info->f1->DS1DSNAM, 44);
 
-			if ((part_no < 0) || (part_no >= USABLE_PARTITIONS))
+			/* this dasd has data set names 0000-0002
+                           but we use now 0001-0003 */
+                        if (part_no == -1)
+                                oldfmt++;
+
+			if (((oldfmt == 0) && (part_no < 0))
+			    || (part_no >= USABLE_PARTITIONS))
 				printf("WARNING: partition number (%i) found "
 				       "in data set name of an existing "
 				       "partition\ndoes not match range of "
 				       "possible partition numbers (1-%d)\n\n",
 				       part_no + 1, USABLE_PARTITIONS);
-			else
-				setpos(anc, part_no, f1_counter);
+			else {
+				if (oldfmt) /* correct +1 */ {
+					setpos(anc, part_no+1, f1_counter);
+					printf("Correcting f1 header number!\n");
+				}
+				else
+					setpos(anc, part_no, f1_counter);
+			}
 
 			part_info = part_info->next;
 			f1_counter++;
-- 
1.6.0.6