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Handle all io_uring events using lambdas

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This commit is contained in:
Vitaliy Filippov
2019-11-13 22:46:42 +03:00
parent 7739f628cb
commit 1c6b9778a4
14 changed files with 43 additions and 76 deletions
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blockstore_flush.cpp
+17 -4
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@@ -88,7 +88,10 @@ void journal_flusher_co::loop()
v.insert(it, (copy_buffer_t){ .offset = offset, .len = submit_len, .buf = memalign(512, submit_len) });
data = ((ring_data_t*)sqe->user_data);
data->iov = (struct iovec){ v.end()->buf, (size_t)submit_len };
data->op = this;
data->callback = [this](ring_data_t* data)
{
wait_count--;
};
io_uring_prep_readv(
sqe, bs->journal.fd, &data->iov, 1, bs->journal.offset + dirty_it->second.location + offset
);
@@ -156,7 +159,11 @@ void journal_flusher_co::loop()
}
data = ((ring_data_t*)sqe->user_data);
data->iov = (struct iovec){ meta_it->second.buf, 512 };
data->op = this;
data->callback = [this](ring_data_t* data)
{
wait_count--;
};
io_uring_prep_writev(
sqe, bs->meta_fd, &data->iov, 1, bs->meta_offset + meta_sector
);
@@ -181,7 +188,10 @@ void journal_flusher_co::loop()
}
data = ((ring_data_t*)sqe->user_data);
data->iov = (struct iovec){ it->buf, (size_t)it->len };
data->op = this;
data->callback = [this](ring_data_t* data)
{
wait_count--;
};
io_uring_prep_writev(
sqe, bs->data_fd, &data->iov, 1, bs->data_offset + clean_loc + it->offset
);
@@ -210,7 +220,10 @@ void journal_flusher_co::loop()
}
data = ((ring_data_t*)sqe->user_data);
data->iov = (struct iovec){ meta_it->second.buf, 512 };
data->op = this;
data->callback = [this](ring_data_t* data)
{
wait_count--;
};
io_uring_prep_writev(
sqe, bs->meta_fd, &data->iov, 1, bs->meta_offset + meta_sector
);