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authorDan Williams <dan.j.williams@intel.com>2009-04-08 14:28:37 -0700
committerDan Williams <dan.j.williams@intel.com>2009-04-08 14:28:37 -0700
commit099f53cb50e45ef617a9f1d63ceec799e489418b (patch)
treefd57f259f58bcf615fe2b17734ed0cbec612782d /drivers
parentfd74ea65883c7e6903e9b652795f72b723a2be69 (diff)
async_tx: rename zero_sum to val
'zero_sum' does not properly describe the operation of generating parity and checking that it validates against an existing buffer. Change the name of the operation to 'val' (for 'validate'). This is in anticipation of the p+q case where it is a requirement to identify the target parity buffers separately from the source buffers, because the target parity buffers will not have corresponding pq coefficients. Reviewed-by: Andre Noll <maan@systemlinux.org> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/dma/dmaengine.c4
-rw-r--r--drivers/dma/iop-adma.c38
-rw-r--r--drivers/md/raid5.c2
3 files changed, 22 insertions, 22 deletions
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 92438e9dacc..6781e8f3c06 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -644,8 +644,8 @@ int dma_async_device_register(struct dma_device *device)
!device->device_prep_dma_memcpy);
BUG_ON(dma_has_cap(DMA_XOR, device->cap_mask) &&
!device->device_prep_dma_xor);
- BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) &&
- !device->device_prep_dma_zero_sum);
+ BUG_ON(dma_has_cap(DMA_XOR_VAL, device->cap_mask) &&
+ !device->device_prep_dma_xor_val);
BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
!device->device_prep_dma_memset);
BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 2f052265122..6ff79a67269 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -660,9 +660,9 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
}
static struct dma_async_tx_descriptor *
-iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
- unsigned int src_cnt, size_t len, u32 *result,
- unsigned long flags)
+iop_adma_prep_dma_xor_val(struct dma_chan *chan, dma_addr_t *dma_src,
+ unsigned int src_cnt, size_t len, u32 *result,
+ unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
@@ -906,7 +906,7 @@ out:
#define IOP_ADMA_NUM_SRC_TEST 4 /* must be <= 15 */
static int __devinit
-iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
+iop_adma_xor_val_self_test(struct iop_adma_device *device)
{
int i, src_idx;
struct page *dest;
@@ -1002,7 +1002,7 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
PAGE_SIZE, DMA_TO_DEVICE);
/* skip zero sum if the capability is not present */
- if (!dma_has_cap(DMA_ZERO_SUM, dma_chan->device->cap_mask))
+ if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask))
goto free_resources;
/* zero sum the sources with the destintation page */
@@ -1016,10 +1016,10 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
dma_srcs[i] = dma_map_page(dma_chan->device->dev,
zero_sum_srcs[i], 0, PAGE_SIZE,
DMA_TO_DEVICE);
- tx = iop_adma_prep_dma_zero_sum(dma_chan, dma_srcs,
- IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
- &zero_sum_result,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ tx = iop_adma_prep_dma_xor_val(dma_chan, dma_srcs,
+ IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
+ &zero_sum_result,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
@@ -1072,10 +1072,10 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
dma_srcs[i] = dma_map_page(dma_chan->device->dev,
zero_sum_srcs[i], 0, PAGE_SIZE,
DMA_TO_DEVICE);
- tx = iop_adma_prep_dma_zero_sum(dma_chan, dma_srcs,
- IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
- &zero_sum_result,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ tx = iop_adma_prep_dma_xor_val(dma_chan, dma_srcs,
+ IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
+ &zero_sum_result,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
@@ -1192,9 +1192,9 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
dma_dev->max_xor = iop_adma_get_max_xor();
dma_dev->device_prep_dma_xor = iop_adma_prep_dma_xor;
}
- if (dma_has_cap(DMA_ZERO_SUM, dma_dev->cap_mask))
- dma_dev->device_prep_dma_zero_sum =
- iop_adma_prep_dma_zero_sum;
+ if (dma_has_cap(DMA_XOR_VAL, dma_dev->cap_mask))
+ dma_dev->device_prep_dma_xor_val =
+ iop_adma_prep_dma_xor_val;
if (dma_has_cap(DMA_INTERRUPT, dma_dev->cap_mask))
dma_dev->device_prep_dma_interrupt =
iop_adma_prep_dma_interrupt;
@@ -1249,7 +1249,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
if (dma_has_cap(DMA_XOR, dma_dev->cap_mask) ||
dma_has_cap(DMA_MEMSET, dma_dev->cap_mask)) {
- ret = iop_adma_xor_zero_sum_self_test(adev);
+ ret = iop_adma_xor_val_self_test(adev);
dev_dbg(&pdev->dev, "xor self test returned %d\n", ret);
if (ret)
goto err_free_iop_chan;
@@ -1259,10 +1259,10 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
"( %s%s%s%s%s%s%s%s%s%s)\n",
dma_has_cap(DMA_PQ_XOR, dma_dev->cap_mask) ? "pq_xor " : "",
dma_has_cap(DMA_PQ_UPDATE, dma_dev->cap_mask) ? "pq_update " : "",
- dma_has_cap(DMA_PQ_ZERO_SUM, dma_dev->cap_mask) ? "pq_zero_sum " : "",
+ dma_has_cap(DMA_PQ_VAL, dma_dev->cap_mask) ? "pq_val " : "",
dma_has_cap(DMA_XOR, dma_dev->cap_mask) ? "xor " : "",
dma_has_cap(DMA_DUAL_XOR, dma_dev->cap_mask) ? "dual_xor " : "",
- dma_has_cap(DMA_ZERO_SUM, dma_dev->cap_mask) ? "xor_zero_sum " : "",
+ dma_has_cap(DMA_XOR_VAL, dma_dev->cap_mask) ? "xor_val " : "",
dma_has_cap(DMA_MEMSET, dma_dev->cap_mask) ? "fill " : "",
dma_has_cap(DMA_MEMCPY_CRC32C, dma_dev->cap_mask) ? "cpy+crc " : "",
dma_has_cap(DMA_MEMCPY, dma_dev->cap_mask) ? "cpy " : "",
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 3bbc6d64704..f8d2d35ed29 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -854,7 +854,7 @@ static void ops_run_check(struct stripe_head *sh)
xor_srcs[count++] = dev->page;
}
- tx = async_xor_zero_sum(xor_dest, xor_srcs, 0, count, STRIPE_SIZE,
+ tx = async_xor_val(xor_dest, xor_srcs, 0, count, STRIPE_SIZE,
&sh->ops.zero_sum_result, 0, NULL, NULL, NULL);
atomic_inc(&sh->count);