diff options
Diffstat (limited to 'crypto/async_tx/async_pq.c')
| -rw-r--r-- | crypto/async_tx/async_pq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index 108b21efb49..a25e290c39f 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -101,6 +101,7 @@ do_async_gen_syndrome(struct dma_chan *chan, struct page **blocks, */ if (src_cnt > pq_src_cnt) { submit->flags &= ~ASYNC_TX_ACK; + submit->flags |= ASYNC_TX_FENCE; dma_flags |= DMA_COMPL_SKIP_DEST_UNMAP; submit->cb_fn = NULL; submit->cb_param = NULL; @@ -111,6 +112,8 @@ do_async_gen_syndrome(struct dma_chan *chan, struct page **blocks, if (cb_fn_orig) dma_flags |= DMA_PREP_INTERRUPT; } + if (submit->flags & ASYNC_TX_FENCE) + dma_flags |= DMA_PREP_FENCE; /* Since we have clobbered the src_list we are committed * to doing this asynchronously. Drivers force forward @@ -282,6 +285,8 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks, dma_flags |= DMA_PREP_PQ_DISABLE_P; if (!Q(blocks, disks)) dma_flags |= DMA_PREP_PQ_DISABLE_Q; + if (submit->flags & ASYNC_TX_FENCE) + dma_flags |= DMA_PREP_FENCE; for (i = 0; i < disks; i++) if (likely(blocks[i])) { BUG_ON(is_raid6_zero_block(blocks[i])); |