Initial reshape support

Needs work for other levels etc.

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

1 files changed, 0 insertions, 28 deletions

diff --git a/util.c b/util.c
index 26254c0..0af4331 100644
--- a/util.c
+++ b/util.c
@@ -676,34 +676,6 @@ struct supertype *guess_super(int fd)
 	return NULL;
 }
 
-unsigned long long get_component_size(int fd)
-{
-	/* Find out the component size of the array.
-	 * We cannot trust GET_ARRAY_INFO ioctl as it's
-	 * size field is only 32bits.
-	 * So look in /sys/block/mdXXX/md/component_size
-	 */
-	struct stat stb;
-	char fname[50];
-	int n;
-	if (fstat(fd, &stb)) return 0;
-	if (major(stb.st_rdev) == 9)
-		sprintf(fname, "/sys/block/md%d/md/component_size",
-			minor(stb.st_rdev));
-	else
-		sprintf(fname, "/sys/block/md_d%d/md/component_size",
-			minor(stb.st_rdev)/16);
-	fd = open(fname, O_RDONLY);
-	if (fd < 0)
-		return 0;
-	n = read(fd, fname, sizeof(fname));
-	close(fd);
-	if (n == sizeof(fname))
-		return 0;
-	fname[n] = 0;
-	return strtoull(fname, NULL, 10);
-}
-
 
 #ifdef __TINYC__
 /* tinyc doesn't optimize this check in ioctl.h out ... */