Applied, thanks.
I added one sanity check:
> + for(bh = head, block_start = 0; bh != head || !block_start;
> + block++, block_start = block_end, bh = bh->b_this_page) {
...
BUG_ON(nr >= MAX_BUF_PER_PAGE);
> + arr[nr++] = bh;
> + }
...just to make sure a corrupted link list on b_this_page can't cause
a on-stack array overrun.
- Ted
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