Grow: support --array-size changes

With 2.6.30 it is possible to tell the md driver to clip an array to a
size smaller than the real size of the array.  This option gives
access to that feature.  The size change does not persist
across restarts.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/mdadm.h b/mdadm.h
index 89ec77a..bf7e59d 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -774,6 +774,7 @@ extern unsigned long bitmap_sectors(struct bitmap_super_s *bsb);
 
 extern int md_get_version(int fd);
 extern int get_linux_version(void);
+extern long long parse_size(char *size);
 extern int parse_uuid(char *str, int uuid[4]);
 extern int check_ext2(int fd, char *name);
 extern int check_reiser(int fd, char *name);