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raid5: fix broken async operation chain
ops_run_reconstruct6() doesn't correctly chain asyn operations. The tx returned
by async_gen_syndrome should be added as the dependent tx of next stripe.
The issue is introduced by commit 59fc630b8b
RAID5: batch adjacent full stripe write
Reported-and-tested-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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parent
bb27051f9f
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487696957e
@ -1822,7 +1822,7 @@ again:
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} else
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init_async_submit(&submit, 0, tx, NULL, NULL,
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to_addr_conv(sh, percpu, j));
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async_gen_syndrome(blocks, 0, count+2, STRIPE_SIZE, &submit);
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tx = async_gen_syndrome(blocks, 0, count+2, STRIPE_SIZE, &submit);
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if (!last_stripe) {
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j++;
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sh = list_first_entry(&sh->batch_list, struct stripe_head,
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