Messages in this thread Patch in this message | | | Date | Tue, 30 Apr 2013 15:01:58 -0500 | From | "Philip J. Kelleher" <> | Subject | [PATCH 9/9] rsxx: Disallows DMA transfer during format. |
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From: Philip J Kelleher <pjk1939@linux.vnet.ibm.com>
Verifies the card is not formatting before DMAs are transferred.
Signed-off-by: Philip J Kelleher <pjk1939@linux.vnet.ibm.com> -------------------------------------------------------------------------------
diff -uprN -X linux-block-vanilla/Documentation/dontdiff linux-block-vanilla/drivers/block/rsxx/dma.c linux-block/drivers/block/rsxx/dma.c --- linux-block-vanilla/drivers/block/rsxx/dma.c 2013-04-29 16:06:49.997249172 -0500 +++ linux-block/drivers/block/rsxx/dma.c 2013-04-29 16:10:46.960184429 -0500 @@ -721,7 +721,8 @@ int rsxx_dma_queue_bio(struct rsxx_cardi } } - if (unlikely(card->halt)) + if (unlikely(card->halt) || + unlikely(card->state == CARD_STATE_FORMATTING)) goto bvec_err; for (i = 0; i < card->n_targets; i++) {
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