On Mon, 2007-04-02 at 14:09 +0200, Nick Piggin wrote:
> Updated aops patchset against 2.6.21-rc5.
> 
> http://www.kernel.org/pub/linux/kernel/people/npiggin/patches/new-aops/
> 
> Files/dirs are 2.6.21-rc5-new-aops*

ext3_write_begin() is computing "start" incorrectly.

Thanks,
Badari

---
 fs/ext3/inode.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.21-rc5/fs/ext3/inode.c
===================================================================
--- linux-2.6.21-rc5.orig/fs/ext3/inode.c       2007-04-02 16:06:39.000000000 
-0700
+++ linux-2.6.21-rc5/fs/ext3/inode.c    2007-04-02 16:49:57.000000000 -0700
@@ -1229,7 +1229,7 @@ static int ext3_write_begin(struct file 
        unsigned start, end;
 
        index = pos >> PAGE_CACHE_SHIFT;
-       start = pos * (PAGE_CACHE_SIZE - 1);
+       start = pos & (PAGE_CACHE_SIZE - 1);
        end = start + len;
 
 retry:


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