Limit size of bitmap to 2million chunks.

When creating a file bitmap, choose a default size that
results in fewer than 2^21 chunks.  Without this kmalloc
failure in the kernel becomes likely.

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

1 files changed, 0 insertions, 2 deletions

diff --git a/Grow.c b/Grow.c
index bc8a73f..742f656 100644
--- a/Grow.c
+++ b/Grow.c
@@ -329,8 +329,6 @@ int Grow_addbitmap(char *devname, int fd, char *file, int chunk, int delay, int
 		int d;
 		int max_devs = st->max_devs;
 		void *super = NULL;
-		if (chunk == UnSet)
-			chunk = DEFAULT_BITMAP_CHUNK;
 
 		/* try to load a superblock */
 		for (d=0; d<max_devs; d++) {