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MDEV-27900: aio handle partial reads/writes (uring)

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MDEV-27900 continued for uring.

Also spell synchronously correctly in sql_parse.cc.

Reviewed by Wlad.
This commit is contained in:
Daniel Black
2022-03-10 18:15:25 +11:00
parent bd1ba7801f
commit f4fb6cb3fe
2 changed files with 3 additions and 1 deletions
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2
sql/sql_parse.cc
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@ -1190,7 +1190,7 @@ static enum enum_server_command fetch_command(THD *thd, char *packet)
DISPATCH_COMMAND_CLOSE_CONNECTION request of THD shutdown
(s. dispatch_command() description)
@retval
DISPATCH_COMMAND_WOULDBLOCK - need to wait for asyncronous operations
DISPATCH_COMMAND_WOULDBLOCK - need to wait for asynchronous operations
to finish. Only returned if parameter
'blocking' is false.
*/

2
tpool/aio_liburing.cc
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@ -161,6 +161,8 @@ private:
}
io_uring_cqe_seen(&aio->uring_, cqe);
if (iocb->m_ret_len != iocb->m_len && !iocb->m_err)
finish_synchronous(iocb);
// If we need to resubmit the IO operation, but the ring is full,
// we will follow the same path as for any other error codes.