Re: [PATCH] block2mtd oops in erase function.

[Jason Lunz <lunz@falooley.org>]

On Tue, Feb 20, 2007 at 10:53:07AM +0000, Jörn Engel wrote:
> Cool!  Would you mind also trying two more patches?  One of them just
> removes a compile warning if CONFIG_MODULE=n, the other rips out the
> readahead code, which should give a nice performance boost on USB
> sticks, MMC/SD, etc.  Mounting JFFS2 in particular should be faster.

I'm using jffs2 on block2mtd. I'd be happy to test any patches you have.

The readahead-disable one in particular is interesting - i ended up
patching the source to get rid of the warning about readahead past
end-of-disk. And mounting jffs2-on-block2mtd-on-ide-flash is quite slow.

Jason

---
 drivers/mtd/devices/block2mtd.c |    1 -
 1 file changed, 1 deletion(-)

Index: linux-2.6.20-rc5-uml/drivers/mtd/devices/block2mtd.c
===================================================================
--- linux-2.6.20-rc5-uml.orig/drivers/mtd/devices/block2mtd.c
+++ linux-2.6.20-rc5-uml/drivers/mtd/devices/block2mtd.c
@@ -63,7 +63,6 @@
 	for (i = 0; i < PAGE_READAHEAD; i++) {
 		pagei = index + i;
 		if (pagei > end_index) {
-			INFO("Overrun end of disk in cache readahead\n");
 			break;
 		}
 		page = radix_tree_lookup(&mapping->page_tree, pagei);