We try to replace async_xor() and async_xor_val() with the new
introduced interface async_xor_offs() and async_xor_val_offs()
for raid456.
Signed-off-by: Yufen Yu <yuyufen@xxxxxxxxxx>
---
drivers/md/raid5.c | 43 ++++++++++++++++++++++++++++++++++---------
1 file changed, 34 insertions(+), 9 deletions(-)
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index e6bbba1e05f4..a37ff68db6af 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1451,7 +1451,7 @@ ops_run_compute5(struct stripe_head *sh, struct raid5_percpu *percpu)
tx = async_memcpy(xor_dest, xor_srcs[0], off_dest, off_srcs[0],
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
else
- tx = async_xor(xor_dest, xor_srcs, 0, count,
+ tx = async_xor_offs(xor_dest, off_dest, xor_srcs, off_srcs, count,
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
return tx;
@@ -1509,12 +1509,14 @@ ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)
{
int disks = sh->disks;
struct page **blocks = to_addr_page(percpu, 0);
+ unsigned int *offs = to_addr_offs(sh, percpu);
int target;
int qd_idx = sh->qd_idx;
struct dma_async_tx_descriptor *tx;
struct async_submit_ctl submit;
struct r5dev *tgt;
struct page *dest;
+ unsigned int dest_off;
int i;
int count;
@@ -1533,6 +1535,7 @@ ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)
tgt = &sh->dev[target];
BUG_ON(!test_bit(R5_Wantcompute, &tgt->flags));
dest = tgt->page;
+ dest_off = tgt->offset;
atomic_inc(&sh->count);
@@ -1551,13 +1554,14 @@ ops_run_compute6_1(struct stripe_head *sh, struct raid5_percpu *percpu)
for (i = disks; i-- ; ) {
if (i == target || i == qd_idx)
continue;
+ offs[count] = sh->dev[i].offset;
blocks[count++] = sh->dev[i].page;
}
init_async_submit(&submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_ZERO_DST,
NULL, ops_complete_compute, sh,
to_addr_conv(sh, percpu, 0));
- tx = async_xor(dest, blocks, 0, count,
+ tx = async_xor_offs(dest, dest_off, blocks, offs, count,
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
}
@@ -1577,6 +1581,7 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)
struct r5dev *tgt2 = &sh->dev[target2];
struct dma_async_tx_descriptor *tx;
struct page **blocks = to_addr_page(percpu, 0);
+ unsigned int *offs = to_addr_offs(sh, percpu);
struct async_submit_ctl submit;
BUG_ON(sh->batch_head);
@@ -1589,13 +1594,16 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)
/* we need to open-code set_syndrome_sources to handle the
* slot number conversion for 'faila' and 'failb'
*/
- for (i = 0; i < disks ; i++)
+ for (i = 0; i < disks ; i++) {
+ offs[i] = 0;
blocks[i] = NULL;
+ }
count = 0;
i = d0_idx;
do {
int slot = raid6_idx_to_slot(i, sh, &count, syndrome_disks);
+ offs[slot] = sh->dev[i].offset;
blocks[slot] = sh->dev[i].page;
if (i == target)
@@ -1625,6 +1633,7 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)
&submit);
} else {
struct page *dest;
+ unsigned int dest_off;
int data_target;
int qd_idx = sh->qd_idx;
@@ -1638,14 +1647,16 @@ ops_run_compute6_2(struct stripe_head *sh, struct raid5_percpu *percpu)
for (i = disks; i-- ; ) {
if (i == data_target || i == qd_idx)
continue;
+ offs[count] = sh->dev[i].offset;
blocks[count++] = sh->dev[i].page;
}
dest = sh->dev[data_target].page;
+ dest_off = sh->dev[data_target].offset;
init_async_submit(&submit,
ASYNC_TX_FENCE|ASYNC_TX_XOR_ZERO_DST,
NULL, NULL, NULL,
to_addr_conv(sh, percpu, 0));
- tx = async_xor(dest, blocks, 0, count,
+ tx = async_xor_offs(dest, dest_off, blocks, offs, count,
RAID5_STRIPE_SIZE(sh->raid_conf),
&submit);
@@ -1698,10 +1709,12 @@ ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,
{
int disks = sh->disks;
struct page **xor_srcs = to_addr_page(percpu, 0);
+ unsigned int *off_srcs = to_addr_offs(sh, percpu);
int count = 0, pd_idx = sh->pd_idx, i;
struct async_submit_ctl submit;
/* existing parity data subtracted */
+ unsigned int off_dest = off_srcs[count] = sh->dev[pd_idx].offset;
struct page *xor_dest = xor_srcs[count++] = sh->dev[pd_idx].page;
BUG_ON(sh->batch_head);
@@ -1711,15 +1724,22 @@ ops_run_prexor5(struct stripe_head *sh, struct raid5_percpu *percpu,
for (i = disks; i--; ) {
struct r5dev *dev = &sh->dev[i];
/* Only process blocks that are known to be uptodate */
- if (test_bit(R5_InJournal, &dev->flags))
+ if (test_bit(R5_InJournal, &dev->flags)) {
+ /*
+ * For this case, PAGE_SIZE must be equal to 4KB and
+ * page offset is zero.
+ */
+ off_srcs[count] = dev->offset;
xor_srcs[count++] = dev->orig_page;
- else if (test_bit(R5_Wantdrain, &dev->flags))
+ } else if (test_bit(R5_Wantdrain, &dev->flags)) {
+ off_srcs[count] = dev->offset;
xor_srcs[count++] = dev->page;
+ }
}
init_async_submit(&submit, ASYNC_TX_FENCE|ASYNC_TX_XOR_DROP_DST, tx,
ops_complete_prexor, sh, to_addr_conv(sh, percpu, 0));
- tx = async_xor(xor_dest, xor_srcs, 0, count,
+ tx = async_xor_offs(xor_dest, off_dest, xor_srcs, off_srcs, count,
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
return tx;
@@ -1953,7 +1973,7 @@ ops_run_reconstruct5(struct stripe_head *sh, struct raid5_percpu *percpu,
tx = async_memcpy(xor_dest, xor_srcs[0], off_dest, off_srcs[0],
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
else
- tx = async_xor(xor_dest, xor_srcs, 0, count,
+ tx = async_xor_offs(xor_dest, off_dest, xor_srcs, off_srcs, count,
RAID5_STRIPE_SIZE(sh->raid_conf), &submit);
if (!last_stripe) {
j++;
@@ -2042,7 +2062,9 @@ static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)
int pd_idx = sh->pd_idx;
int qd_idx = sh->qd_idx;
struct page *xor_dest;
+ unsigned int off_dest;
struct page **xor_srcs = to_addr_page(percpu, 0);
+ unsigned int *off_srcs = to_addr_offs(sh, percpu);
struct dma_async_tx_descriptor *tx;
struct async_submit_ctl submit;
int count;
@@ -2054,16 +2076,19 @@ static void ops_run_check_p(struct stripe_head *sh, struct raid5_percpu *percpu)
BUG_ON(sh->batch_head);
count = 0;
xor_dest = sh->dev[pd_idx].page;
+ off_dest = sh->dev[pd_idx].offset;
+ off_srcs[count] = off_dest;
xor_srcs[count++] = xor_dest;
for (i = disks; i--; ) {
if (i == pd_idx || i == qd_idx)
continue;
+ off_srcs[count] = sh->dev[i].offset;
xor_srcs[count++] = sh->dev[i].page;
}
init_async_submit(&submit, 0, NULL, NULL, NULL,
to_addr_conv(sh, percpu, 0));
- tx = async_xor_val(xor_dest, xor_srcs, 0, count,
+ tx = async_xor_val_offs(xor_dest, off_dest, xor_srcs, off_srcs, count,
RAID5_STRIPE_SIZE(sh->raid_conf),
&sh->ops.zero_sum_result, &submit);
--
2.25.4
