Status: ok

Ignore chunk size for multipath or raid1

and set it to zero.  Only set default of 64 for 
raid0, linear, raid4, raid5

 ----------- Diffstat output ------------
 ./ChangeLog |    1 +
 ./Create.c  |   22 ++++++++++++++++++----
 2 files changed, 19 insertions(+), 4 deletions(-)

diff ./ChangeLog~current~ ./ChangeLog
--- ./ChangeLog~current~	2003-07-29 10:11:22.000000000 +1000
+++ ./ChangeLog	2003-07-29 10:11:22.000000000 +1000
@@ -16,6 +16,7 @@ Changes Prior to this release
         probably a mistake.  --force will override this check.
     -   Correct some misleading documentation in the "mdadm --create --help"
 	message.
+    -   Ignore chunksize if raid1 or multipath.
 	
 Changes Prior to 1.2.0 release
     -   Fix bug where --daemonise required an argument.

diff ./Create.c~current~ ./Create.c
--- ./Create.c~current~	2003-07-29 10:11:22.000000000 +1000
+++ ./Create.c	2003-07-29 10:11:22.000000000 +1000
@@ -115,10 +115,24 @@ int Create(char *mddev, int mdfd,
 			break;
 		}
 
-	if (chunk == 0) {
-		chunk = 64;
-		if (verbose)
-			fprintf(stderr, Name ": chunk size defaults to 64K\n");
+	switch(level) {
+	case 4:
+	case 5:
+	case 0:
+	case -1: /* linear */
+		if (chunk == 0) {
+			chunk = 64;
+			if (verbose)
+				fprintf(stderr, Name ": chunk size defaults to 64K\n");
+		}
+		break;
+	default: /* raid1, multipath */
+		if (chunk) {
+			chunk = 0;
+			if (verbose)
+				fprintf(stderr, Name ": chunk size ignored for this level\n");
+		}
+		break;
 	}
 
 	/* now look at the subdevs */