block: remove unused fields in BlockDriverState
sync_aiocb is unused since commitce1a14d
(Dynamically allocate AIO Completion Blocks., 2006-08-07). private is unused since commit56a1493
(drive cleanup fixes., 2009-09-25). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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@ -259,10 +259,6 @@ struct BlockDriverState {
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/* number of in-flight copy-on-read requests */
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unsigned int copy_on_read_in_flight;
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/* async read/write emulation */
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void *sync_aiocb;
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/* the time for latest disk I/O */
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int64_t slice_time;
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int64_t slice_start;
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@ -299,7 +295,6 @@ struct BlockDriverState {
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int64_t dirty_count;
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int in_use; /* users other than guest access, eg. block migration */
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QTAILQ_ENTRY(BlockDriverState) list;
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void *private;
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QLIST_HEAD(, BdrvTrackedRequest) tracked_requests;
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