2.6.25-stable review patch. If anyone has any objections, please let us know. ------------------ From: Mikulas Patocka commit: 924362629bf5645aee5f49f8a0d0d5b193e65997 If a snapshot has a smaller chunksize than the page size the conversion to pages currently returns 0 instead of 1, causing: kernel BUG in mempool_resize. Signed-off-by: Mikulas Patocka Signed-off-by: Milan Broz Signed-off-by: Alasdair G Kergon Signed-off-by: Greg Kroah-Hartman --- drivers/md/dm-exception-store.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -131,7 +131,7 @@ struct pstore { static unsigned sectors_to_pages(unsigned sectors) { - return sectors / (PAGE_SIZE >> 9); + return DIV_ROUND_UP(sectors, PAGE_SIZE >> 9); } static int alloc_area(struct pstore *ps) -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/