From: Bartlomiej Zolnierkiewicz <[email protected]> Subject: [PATCH] raid5: panic() on dma_wait_for_async_tx() error
There is not much we can do on dma_wait_for_async_tx() error so just panic() for now. Cc: Neil Brown <[email protected]> Cc: Vinod Koul <[email protected]> Cc: Dan Williams <[email protected]> Cc: Tomasz Figa <[email protected]> Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]> Signed-off-by: Kyungmin Park <[email protected]> --- drivers/md/raid5.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: b/drivers/md/raid5.c =================================================================== --- a/drivers/md/raid5.c 2012-11-07 16:25:19.480876012 +0100 +++ b/drivers/md/raid5.c 2012-11-07 16:27:46.244875992 +0100 @@ -3223,7 +3223,9 @@ static void handle_stripe_expansion(stru /* done submitting copies, wait for them to complete */ if (tx) { async_tx_ack(tx); - dma_wait_for_async_tx(tx); + if (dma_wait_for_async_tx(tx) != DMA_SUCCESS) + panic("%s: DMA error waiting for transaction\n", + __func__); } } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
