Release 2-0

With little fix for -O2 compile

Signed-off-by: Neil Brown <neilb@suse.de>

ANNOUNCE-2.1

@@ -0,0 +1,37 @@
+Subject:  ANNOUNCE: mdadm 2.1 - A tool for managing Soft RAID under Linux
+
+I am pleased to announce the availability of
+   mdadm version 2.1
+
+It is available at the usual places:
+   http://www.cse.unsw.edu.au/~neilb/source/mdadm/
+and
+   http://www.{countrycode}.kernel.org/pub/linux/utils/raid/mdadm/
+
+mdadm is a tool for creating, managing and monitoring
+device arrays using the "md" driver in Linux, also
+known as Software RAID arrays.
+
+Release 2.1 fixes a few problems found after the release of 2.0.
+If you are using raid10 or version-1 superblocks and upgrade is
+recommended.
+
+Specifically:
+    -   Fix assembling of raid10 array when devices are missing.
+	  mdadm now correctly detects if a array is workable or not
+	  depending on which devices are present, and so will correctly
+	  handle "--assemble --force"  if multiple devices have failed.
+    -   Report raid10 layout in --examine output.
+    -   Fix assembling of arrays that use the version-1 superblock and
+	  have spares.  Previously the spares would be ignored.
+    -   Fix bug so that multiple drives can be re-added at once.
+    -   Fix problem with hot-adding a bitmap to version-1-superblock
+	  arrays.
+
+
+Development of mdadm is sponsored by
+ SUSE Labs, Novell Inc.
+
+NeilBrown  12th September 2005
+
+

ReadMe.c

@@ -29,7 +29,7 @@
 
 #include "mdadm.h"
 
-char Version[] = Name " - v2.0 - 25 August 2005\n";
+char Version[] = Name " - v2.1 - 12 September 2005\n";
 
 /*
  * File: ReadMe.c

mdadm.8

@@ -1,5 +1,5 @@
 .\" -*- nroff -*-
-.TH MDADM 8 "" v2.0m
+.TH MDADM 8 "" v2.1
 .SH NAME
 mdadm \- manage MD devices
 .I aka

mdadm.spec

@@ -1,6 +1,6 @@
 Summary:     mdadm is used for controlling Linux md devices (aka RAID arrays)
 Name:        mdadm
-Version:     2.0
+Version:     2.1
 Release:     1
 Source:      http://www.cse.unsw.edu.au/~neilb/source/mdadm/mdadm-%{version}.tgz
 URL:         http://www.cse.unsw.edu.au/~neilb/source/mdadm/

super1.c

@@ -535,7 +535,7 @@ static int write_init_super1(struct supertype *st, void *sbv,
 			     mdu_disk_info_t *dinfo, char *devname)
 {
 	struct mdp_superblock_1 *sb = sbv;
-	struct mdp_superblock_1 *refsb = NULL;
+	void *refsbv = NULL;
 	int fd = open(devname, O_RDWR | O_EXCL);
 	int rfd;
 	int rv;
@@ -564,7 +564,9 @@ static int write_init_super1(struct supertype *st, void *sbv,
 	if (rfd >= 0) close(rfd);
 	sb->events = 0;
 
-	if (load_super1(st, fd, (void**)&refsb, NULL)==0) {
+	if (load_super1(st, fd, &refsbv, NULL)==0) {
+		struct mdp_superblock_1 *refsb = refsbv;
+
 		memcpy(sb->device_uuid, refsb->device_uuid, 16);
 		if (memcmp(sb->set_uuid, refsb->set_uuid, 16)==0) {
 			/* same array, so preserve events and dev_number */
@@ -897,12 +899,12 @@ void locate_bitmap1(struct supertype *st, int fd, void *sbv)
 	unsigned long long offset;
 	struct mdp_superblock_1 *sb;
 
-	if (sbv)
-		sb = sbv;
-	else {
-		if (st->ss->load_super(st, fd, (void**)&sb, NULL))
+	if (!sbv)
+		if (st->ss->load_super(st, fd, sbv, NULL))
 			return; /* no error I hope... */
-	}
+
+	sb = sbv;
+
 	offset = __le64_to_cpu(sb->super_offset);
 	offset += (long) __le32_to_cpu(sb->bitmap_offset);
 	if (!sbv)