[Bug 13037] reiserfs panic (device null superblock)

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http://bugzilla.kernel.org/show_bug.cgi?id=13037





--- Comment #4 from Jeff Mahoney <jeffm@xxxxxxxx>  2009-07-02 15:00:56 ---
So the problem exists on 2.6.28.9 and not on 2.6.28? That's strange since the
only reiserfs change is this one:

--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2556,7 +2556,7 @@ static int reiserfs_write_begin(struct file *file,
        }

        index = pos >> PAGE_CACHE_SHIFT;
-       page = __grab_cache_page(mapping, index);
+       page = grab_cache_page_write_begin(mapping, index, flags);
        if (!page)
                return -ENOMEM;
        *pagep = page;

I'm surprised that reiserfsck doesn't come up with anything. This is a problem
where it's seeing an invalid bit on disk. Either that or memory corruption.

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