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Fix QEMU driver bugs (QEMU and qemu-img now work! hooray!)

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This commit is contained in:
Vitaliy Filippov
2020-06-26 18:25:43 +03:00
parent 5e1e39633d
commit 592bcd3699
11 changed files with 106 additions and 39 deletions
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blockstore_flush.cpp
+2 -2
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@@ -553,13 +553,13 @@ bool journal_flusher_co::scan_dirty(int wait_base)
if (bs->journal.inmemory)
{
// Take it from memory
memcpy(v.back().buf, bs->journal.buffer + submit_offset, submit_len);
memcpy(it->buf, bs->journal.buffer + submit_offset, submit_len);
}
else
{
// Read it from disk
await_sqe(0);
data->iov = (struct iovec){ v.back().buf, (size_t)submit_len };
data->iov = (struct iovec){ it->buf, (size_t)submit_len };
data->callback = simple_callback_r;
my_uring_prep_readv(
sqe, bs->journal.fd, &data->iov, 1, bs->journal.offset + submit_offset