From 759de0d317766b7abd2c7b19541d7f484a6b70a4 Mon Sep 17 00:00:00 2001 From: Yufen Yu Date: Thu, 20 Aug 2020 09:22:10 -0400 Subject: md/raid6: let syndrome computor support different page offset For now, syndrome compute functions require common offset in the pages array. However, we expect them to support different offset when try to use shared page in the following. Simplily covert them by adding page offset where each page address are referred. Since the only caller of async_gen_syndrome() and async_syndrome_val() are in raid6, we don't want to reserve the old interface but modify the interface directly. After that, replacing old interfaces with new ones for raid6 and raid6test. Signed-off-by: Yufen Yu Signed-off-by: Song Liu --- crypto/async_tx/raid6test.c | 24 ++++++++++++++++-------- 1 file changed, 16 insertions(+), 8 deletions(-) (limited to 'crypto/async_tx/raid6test.c') diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c index 14e73dcd..ef4e6e68 100644 --- a/crypto/async_tx/raid6test.c +++ b/crypto/async_tx/raid6test.c @@ -18,6 +18,7 @@ #define NDISKS 64 /* Including P and Q */ static struct page *dataptrs[NDISKS]; +unsigned int dataoffs[NDISKS]; static addr_conv_t addr_conv[NDISKS]; static struct page *data[NDISKS+3]; static struct page *spare; @@ -38,6 +39,7 @@ static void makedata(int disks) for (i = 0; i < disks; i++) { prandom_bytes(page_address(data[i]), PAGE_SIZE); dataptrs[i] = data[i]; + dataoffs[i] = 0; } } @@ -52,7 +54,8 @@ static char disk_type(int d, int disks) } /* Recover two failed blocks. */ -static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, struct page **ptrs) +static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, + struct page **ptrs, unsigned int *offs) { struct async_submit_ctl submit; struct completion cmp; @@ -66,7 +69,8 @@ static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, stru if (faila == disks-2) { /* P+Q failure. Just rebuild the syndrome. */ init_async_submit(&submit, 0, NULL, NULL, NULL, addr_conv); - tx = async_gen_syndrome(ptrs, 0, disks, bytes, &submit); + tx = async_gen_syndrome(ptrs, offs, + disks, bytes, &submit); } else { struct page *blocks[NDISKS]; struct page *dest; @@ -89,22 +93,26 @@ static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, stru tx = async_xor(dest, blocks, 0, count, bytes, &submit); init_async_submit(&submit, 0, tx, NULL, NULL, addr_conv); - tx = async_gen_syndrome(ptrs, 0, disks, bytes, &submit); + tx = async_gen_syndrome(ptrs, offs, + disks, bytes, &submit); } } else { if (failb == disks-2) { /* data+P failure. */ init_async_submit(&submit, 0, NULL, NULL, NULL, addr_conv); - tx = async_raid6_datap_recov(disks, bytes, faila, ptrs, &submit); + tx = async_raid6_datap_recov(disks, bytes, + faila, ptrs, &submit); } else { /* data+data failure. */ init_async_submit(&submit, 0, NULL, NULL, NULL, addr_conv); - tx = async_raid6_2data_recov(disks, bytes, faila, failb, ptrs, &submit); + tx = async_raid6_2data_recov(disks, bytes, + faila, failb, ptrs, &submit); } } init_completion(&cmp); init_async_submit(&submit, ASYNC_TX_ACK, tx, callback, &cmp, addr_conv); - tx = async_syndrome_val(ptrs, 0, disks, bytes, &result, spare, &submit); + tx = async_syndrome_val(ptrs, offs, + disks, bytes, &result, spare, 0, &submit); async_tx_issue_pending(tx); if (wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)) == 0) @@ -126,7 +134,7 @@ static int test_disks(int i, int j, int disks) dataptrs[i] = recovi; dataptrs[j] = recovj; - raid6_dual_recov(disks, PAGE_SIZE, i, j, dataptrs); + raid6_dual_recov(disks, PAGE_SIZE, i, j, dataptrs, dataoffs); erra = memcmp(page_address(data[i]), page_address(recovi), PAGE_SIZE); errb = memcmp(page_address(data[j]), page_address(recovj), PAGE_SIZE); @@ -162,7 +170,7 @@ static int test(int disks, int *tests) /* Generate assumed good syndrome */ init_completion(&cmp); init_async_submit(&submit, ASYNC_TX_ACK, NULL, callback, &cmp, addr_conv); - tx = async_gen_syndrome(dataptrs, 0, disks, PAGE_SIZE, &submit); + tx = async_gen_syndrome(dataptrs, dataoffs, disks, PAGE_SIZE, &submit); async_tx_issue_pending(tx); if (wait_for_completion_timeout(&cmp, msecs_to_jiffies(3000)) == 0) { -- cgit v1.2.3 From d08decee66004b7eebf66d992427fe408e000f33 Mon Sep 17 00:00:00 2001 From: Yufen Yu Date: Thu, 20 Aug 2020 09:22:11 -0400 Subject: md/raid6: let async recovery function support different page offset For now, asynchronous raid6 recovery calculate functions are require common offset for pages. But, we expect them to support different page offset after introducing stripe shared page. Do that by simplily adding page offset where each page address are referred. Then, replace the old interface with the new ones in raid6 and raid6test. Signed-off-by: Yufen Yu Signed-off-by: Song Liu --- crypto/async_tx/async_raid6_recov.c | 163 ++++++++++++++++++++++++++---------- crypto/async_tx/raid6test.c | 4 +- 2 files changed, 122 insertions(+), 45 deletions(-) (limited to 'crypto/async_tx/raid6test.c') diff --git a/crypto/async_tx/async_raid6_recov.c b/crypto/async_tx/async_raid6_recov.c index f249142c..354b8cd5 100644 --- a/crypto/async_tx/async_raid6_recov.c +++ b/crypto/async_tx/async_raid6_recov.c @@ -15,8 +15,9 @@ #include static struct dma_async_tx_descriptor * -async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef, - size_t len, struct async_submit_ctl *submit) +async_sum_product(struct page *dest, unsigned int d_off, + struct page **srcs, unsigned int *src_offs, unsigned char *coef, + size_t len, struct async_submit_ctl *submit) { struct dma_chan *chan = async_tx_find_channel(submit, DMA_PQ, &dest, 1, srcs, 2, len); @@ -37,11 +38,14 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef, if (submit->flags & ASYNC_TX_FENCE) dma_flags |= DMA_PREP_FENCE; - unmap->addr[0] = dma_map_page(dev, srcs[0], 0, len, DMA_TO_DEVICE); - unmap->addr[1] = dma_map_page(dev, srcs[1], 0, len, DMA_TO_DEVICE); + unmap->addr[0] = dma_map_page(dev, srcs[0], src_offs[0], + len, DMA_TO_DEVICE); + unmap->addr[1] = dma_map_page(dev, srcs[1], src_offs[1], + len, DMA_TO_DEVICE); unmap->to_cnt = 2; - unmap->addr[2] = dma_map_page(dev, dest, 0, len, DMA_BIDIRECTIONAL); + unmap->addr[2] = dma_map_page(dev, dest, d_off, + len, DMA_BIDIRECTIONAL); unmap->bidi_cnt = 1; /* engine only looks at Q, but expects it to follow P */ pq[1] = unmap->addr[2]; @@ -66,9 +70,9 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef, async_tx_quiesce(&submit->depend_tx); amul = raid6_gfmul[coef[0]]; bmul = raid6_gfmul[coef[1]]; - a = page_address(srcs[0]); - b = page_address(srcs[1]); - c = page_address(dest); + a = page_address(srcs[0]) + src_offs[0]; + b = page_address(srcs[1]) + src_offs[1]; + c = page_address(dest) + d_off; while (len--) { ax = amul[*a++]; @@ -80,8 +84,9 @@ async_sum_product(struct page *dest, struct page **srcs, unsigned char *coef, } static struct dma_async_tx_descriptor * -async_mult(struct page *dest, struct page *src, u8 coef, size_t len, - struct async_submit_ctl *submit) +async_mult(struct page *dest, unsigned int d_off, struct page *src, + unsigned int s_off, u8 coef, size_t len, + struct async_submit_ctl *submit) { struct dma_chan *chan = async_tx_find_channel(submit, DMA_PQ, &dest, 1, &src, 1, len); @@ -101,9 +106,11 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len, if (submit->flags & ASYNC_TX_FENCE) dma_flags |= DMA_PREP_FENCE; - unmap->addr[0] = dma_map_page(dev, src, 0, len, DMA_TO_DEVICE); + unmap->addr[0] = dma_map_page(dev, src, s_off, + len, DMA_TO_DEVICE); unmap->to_cnt++; - unmap->addr[1] = dma_map_page(dev, dest, 0, len, DMA_BIDIRECTIONAL); + unmap->addr[1] = dma_map_page(dev, dest, d_off, + len, DMA_BIDIRECTIONAL); dma_dest[1] = unmap->addr[1]; unmap->bidi_cnt++; unmap->len = len; @@ -133,8 +140,8 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len, */ async_tx_quiesce(&submit->depend_tx); qmul = raid6_gfmul[coef]; - d = page_address(dest); - s = page_address(src); + d = page_address(dest) + d_off; + s = page_address(src) + s_off; while (len--) *d++ = qmul[*s++]; @@ -144,11 +151,14 @@ async_mult(struct page *dest, struct page *src, u8 coef, size_t len, static struct dma_async_tx_descriptor * __2data_recov_4(int disks, size_t bytes, int faila, int failb, - struct page **blocks, struct async_submit_ctl *submit) + struct page **blocks, unsigned int *offs, + struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *a, *b; + unsigned int p_off, q_off, a_off, b_off; struct page *srcs[2]; + unsigned int src_offs[2]; unsigned char coef[2]; enum async_tx_flags flags = submit->flags; dma_async_tx_callback cb_fn = submit->cb_fn; @@ -156,26 +166,34 @@ __2data_recov_4(int disks, size_t bytes, int faila, int failb, void *scribble = submit->scribble; p = blocks[disks-2]; + p_off = offs[disks-2]; q = blocks[disks-1]; + q_off = offs[disks-1]; a = blocks[faila]; + a_off = offs[faila]; b = blocks[failb]; + b_off = offs[failb]; /* in the 4 disk case P + Pxy == P and Q + Qxy == Q */ /* Dx = A*(P+Pxy) + B*(Q+Qxy) */ srcs[0] = p; + src_offs[0] = p_off; srcs[1] = q; + src_offs[1] = q_off; coef[0] = raid6_gfexi[failb-faila]; coef[1] = raid6_gfinv[raid6_gfexp[faila]^raid6_gfexp[failb]]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_sum_product(b, srcs, coef, bytes, submit); + tx = async_sum_product(b, b_off, srcs, src_offs, coef, bytes, submit); /* Dy = P+Pxy+Dx */ srcs[0] = p; + src_offs[0] = p_off; srcs[1] = b; + src_offs[1] = b_off; init_async_submit(submit, flags | ASYNC_TX_XOR_ZERO_DST, tx, cb_fn, cb_param, scribble); - tx = async_xor(a, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(a, a_off, srcs, src_offs, 2, bytes, submit); return tx; @@ -183,11 +201,14 @@ __2data_recov_4(int disks, size_t bytes, int faila, int failb, static struct dma_async_tx_descriptor * __2data_recov_5(int disks, size_t bytes, int faila, int failb, - struct page **blocks, struct async_submit_ctl *submit) + struct page **blocks, unsigned int *offs, + struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *g, *dp, *dq; + unsigned int p_off, q_off, g_off, dp_off, dq_off; struct page *srcs[2]; + unsigned int src_offs[2]; unsigned char coef[2]; enum async_tx_flags flags = submit->flags; dma_async_tx_callback cb_fn = submit->cb_fn; @@ -208,60 +229,77 @@ __2data_recov_5(int disks, size_t bytes, int faila, int failb, BUG_ON(good_srcs > 1); p = blocks[disks-2]; + p_off = offs[disks-2]; q = blocks[disks-1]; + q_off = offs[disks-1]; g = blocks[good]; + g_off = offs[good]; /* Compute syndrome with zero for the missing data pages * Use the dead data pages as temporary storage for delta p and * delta q */ dp = blocks[faila]; + dp_off = offs[faila]; dq = blocks[failb]; + dq_off = offs[failb]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_memcpy(dp, g, 0, 0, bytes, submit); + tx = async_memcpy(dp, g, dp_off, g_off, bytes, submit); init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_mult(dq, g, raid6_gfexp[good], bytes, submit); + tx = async_mult(dq, dq_off, g, g_off, + raid6_gfexp[good], bytes, submit); /* compute P + Pxy */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = p; + src_offs[1] = p_off; init_async_submit(submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx, NULL, NULL, scribble); - tx = async_xor(dp, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dp, dp_off, srcs, src_offs, 2, bytes, submit); /* compute Q + Qxy */ srcs[0] = dq; + src_offs[0] = dq_off; srcs[1] = q; + src_offs[1] = q_off; init_async_submit(submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx, NULL, NULL, scribble); - tx = async_xor(dq, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dq, dq_off, srcs, src_offs, 2, bytes, submit); /* Dx = A*(P+Pxy) + B*(Q+Qxy) */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = dq; + src_offs[1] = dq_off; coef[0] = raid6_gfexi[failb-faila]; coef[1] = raid6_gfinv[raid6_gfexp[faila]^raid6_gfexp[failb]]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_sum_product(dq, srcs, coef, bytes, submit); + tx = async_sum_product(dq, dq_off, srcs, src_offs, coef, bytes, submit); /* Dy = P+Pxy+Dx */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = dq; + src_offs[1] = dq_off; init_async_submit(submit, flags | ASYNC_TX_XOR_DROP_DST, tx, cb_fn, cb_param, scribble); - tx = async_xor(dp, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dp, dp_off, srcs, src_offs, 2, bytes, submit); return tx; } static struct dma_async_tx_descriptor * __2data_recov_n(int disks, size_t bytes, int faila, int failb, - struct page **blocks, struct async_submit_ctl *submit) + struct page **blocks, unsigned int *offs, + struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *dp, *dq; + unsigned int p_off, q_off, dp_off, dq_off; struct page *srcs[2]; + unsigned int src_offs[2]; unsigned char coef[2]; enum async_tx_flags flags = submit->flags; dma_async_tx_callback cb_fn = submit->cb_fn; @@ -269,56 +307,74 @@ __2data_recov_n(int disks, size_t bytes, int faila, int failb, void *scribble = submit->scribble; p = blocks[disks-2]; + p_off = offs[disks-2]; q = blocks[disks-1]; + q_off = offs[disks-1]; /* Compute syndrome with zero for the missing data pages * Use the dead data pages as temporary storage for * delta p and delta q */ dp = blocks[faila]; + dp_off = offs[faila]; blocks[faila] = NULL; blocks[disks-2] = dp; + offs[disks-2] = dp_off; dq = blocks[failb]; + dq_off = offs[failb]; blocks[failb] = NULL; blocks[disks-1] = dq; + offs[disks-1] = dq_off; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_gen_syndrome(blocks, 0, disks, bytes, submit); + tx = async_gen_syndrome(blocks, offs, disks, bytes, submit); /* Restore pointer table */ blocks[faila] = dp; + offs[faila] = dp_off; blocks[failb] = dq; + offs[failb] = dq_off; blocks[disks-2] = p; + offs[disks-2] = p_off; blocks[disks-1] = q; + offs[disks-1] = q_off; /* compute P + Pxy */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = p; + src_offs[1] = p_off; init_async_submit(submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx, NULL, NULL, scribble); - tx = async_xor(dp, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dp, dp_off, srcs, src_offs, 2, bytes, submit); /* compute Q + Qxy */ srcs[0] = dq; + src_offs[0] = dq_off; srcs[1] = q; + src_offs[1] = q_off; init_async_submit(submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx, NULL, NULL, scribble); - tx = async_xor(dq, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dq, dq_off, srcs, src_offs, 2, bytes, submit); /* Dx = A*(P+Pxy) + B*(Q+Qxy) */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = dq; + src_offs[1] = dq_off; coef[0] = raid6_gfexi[failb-faila]; coef[1] = raid6_gfinv[raid6_gfexp[faila]^raid6_gfexp[failb]]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_sum_product(dq, srcs, coef, bytes, submit); + tx = async_sum_product(dq, dq_off, srcs, src_offs, coef, bytes, submit); /* Dy = P+Pxy+Dx */ srcs[0] = dp; + src_offs[0] = dp_off; srcs[1] = dq; + src_offs[1] = dq_off; init_async_submit(submit, flags | ASYNC_TX_XOR_DROP_DST, tx, cb_fn, cb_param, scribble); - tx = async_xor(dp, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dp, dp_off, srcs, src_offs, 2, bytes, submit); return tx; } @@ -330,11 +386,13 @@ __2data_recov_n(int disks, size_t bytes, int faila, int failb, * @faila: first failed drive index * @failb: second failed drive index * @blocks: array of source pointers where the last two entries are p and q + * @offs: array of offset for pages in blocks * @submit: submission/completion modifiers */ struct dma_async_tx_descriptor * async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, - struct page **blocks, struct async_submit_ctl *submit) + struct page **blocks, unsigned int *offs, + struct async_submit_ctl *submit) { void *scribble = submit->scribble; int non_zero_srcs, i; @@ -358,7 +416,7 @@ async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, if (blocks[i] == NULL) ptrs[i] = (void *) raid6_empty_zero_page; else - ptrs[i] = page_address(blocks[i]); + ptrs[i] = page_address(blocks[i]) + offs[i]; raid6_2data_recov(disks, bytes, faila, failb, ptrs); @@ -383,16 +441,19 @@ async_raid6_2data_recov(int disks, size_t bytes, int faila, int failb, * explicitly handle the special case of a 4 disk array with * both data disks missing. */ - return __2data_recov_4(disks, bytes, faila, failb, blocks, submit); + return __2data_recov_4(disks, bytes, faila, failb, + blocks, offs, submit); case 3: /* dma devices do not uniformly understand a single * source pq operation (in contrast to the synchronous * case), so explicitly handle the special case of a 5 disk * array with 2 of 3 data disks missing. */ - return __2data_recov_5(disks, bytes, faila, failb, blocks, submit); + return __2data_recov_5(disks, bytes, faila, failb, + blocks, offs, submit); default: - return __2data_recov_n(disks, bytes, faila, failb, blocks, submit); + return __2data_recov_n(disks, bytes, faila, failb, + blocks, offs, submit); } } EXPORT_SYMBOL_GPL(async_raid6_2data_recov); @@ -403,14 +464,17 @@ EXPORT_SYMBOL_GPL(async_raid6_2data_recov); * @bytes: block size * @faila: failed drive index * @blocks: array of source pointers where the last two entries are p and q + * @offs: array of offset for pages in blocks * @submit: submission/completion modifiers */ struct dma_async_tx_descriptor * async_raid6_datap_recov(int disks, size_t bytes, int faila, - struct page **blocks, struct async_submit_ctl *submit) + struct page **blocks, unsigned int *offs, + struct async_submit_ctl *submit) { struct dma_async_tx_descriptor *tx = NULL; struct page *p, *q, *dq; + unsigned int p_off, q_off, dq_off; u8 coef; enum async_tx_flags flags = submit->flags; dma_async_tx_callback cb_fn = submit->cb_fn; @@ -418,6 +482,7 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, void *scribble = submit->scribble; int good_srcs, good, i; struct page *srcs[2]; + unsigned int src_offs[2]; pr_debug("%s: disks: %d len: %zu\n", __func__, disks, bytes); @@ -434,7 +499,7 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, if (blocks[i] == NULL) ptrs[i] = (void*)raid6_empty_zero_page; else - ptrs[i] = page_address(blocks[i]); + ptrs[i] = page_address(blocks[i]) + offs[i]; raid6_datap_recov(disks, bytes, faila, ptrs); @@ -458,55 +523,67 @@ async_raid6_datap_recov(int disks, size_t bytes, int faila, BUG_ON(good_srcs == 0); p = blocks[disks-2]; + p_off = offs[disks-2]; q = blocks[disks-1]; + q_off = offs[disks-1]; /* Compute syndrome with zero for the missing data page * Use the dead data page as temporary storage for delta q */ dq = blocks[faila]; + dq_off = offs[faila]; blocks[faila] = NULL; blocks[disks-1] = dq; + offs[disks-1] = dq_off; /* in the 4-disk case we only need to perform a single source * multiplication with the one good data block. */ if (good_srcs == 1) { struct page *g = blocks[good]; + unsigned int g_off = offs[good]; init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_memcpy(p, g, 0, 0, bytes, submit); + tx = async_memcpy(p, g, p_off, g_off, bytes, submit); init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_mult(dq, g, raid6_gfexp[good], bytes, submit); + tx = async_mult(dq, dq_off, g, g_off, + raid6_gfexp[good], bytes, submit); } else { init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_gen_syndrome(blocks, 0, disks, bytes, submit); + tx = async_gen_syndrome(blocks, offs, disks, bytes, submit); } /* Restore pointer table */ blocks[faila] = dq; + offs[faila] = dq_off; blocks[disks-1] = q; + offs[disks-1] = q_off; /* calculate g^{-faila} */ coef = raid6_gfinv[raid6_gfexp[faila]]; srcs[0] = dq; + src_offs[0] = dq_off; srcs[1] = q; + src_offs[1] = q_off; init_async_submit(submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx, NULL, NULL, scribble); - tx = async_xor(dq, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(dq, dq_off, srcs, src_offs, 2, bytes, submit); init_async_submit(submit, ASYNC_TX_FENCE, tx, NULL, NULL, scribble); - tx = async_mult(dq, dq, coef, bytes, submit); + tx = async_mult(dq, dq_off, dq, dq_off, coef, bytes, submit); srcs[0] = p; + src_offs[0] = p_off; srcs[1] = dq; + src_offs[1] = dq_off; init_async_submit(submit, flags | ASYNC_TX_XOR_DROP_DST, tx, cb_fn, cb_param, scribble); - tx = async_xor(p, srcs, 0, 2, bytes, submit); + tx = async_xor_offs(p, p_off, srcs, src_offs, 2, bytes, submit); return tx; } diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c index ef4e6e68..66db82e5 100644 --- a/crypto/async_tx/raid6test.c +++ b/crypto/async_tx/raid6test.c @@ -101,12 +101,12 @@ static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, /* data+P failure. */ init_async_submit(&submit, 0, NULL, NULL, NULL, addr_conv); tx = async_raid6_datap_recov(disks, bytes, - faila, ptrs, &submit); + faila, ptrs, offs, &submit); } else { /* data+data failure. */ init_async_submit(&submit, 0, NULL, NULL, NULL, addr_conv); tx = async_raid6_2data_recov(disks, bytes, - faila, failb, ptrs, &submit); + faila, failb, ptrs, offs, &submit); } } init_completion(&cmp); -- cgit v1.2.3