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authorPaolo Bonzini <pbonzini@redhat.com>2012-09-28 17:22:50 +0200
committerKevin Wolf <kwolf@redhat.com>2012-09-28 19:14:32 +0200
commit8acc72a4d20910d522516dab31272fe66da8da28 (patch)
tree4d521649f4d3a32eb74cf021ea12cfc1fc763e8f /block
parent8d65883fff22e00d70f5880a26b7a1248c59a2d8 (diff)
block: add support for job pause/resume
Job pausing reuses the existing support for cancellable sleeps. A pause happens at the next sleeping point and lasts until the coroutine is re-entered explicitly. Cancellation was already doing a forced resume, so implement it explicitly in terms of resume. Paused jobs cannot be canceled without first resuming them. This ensures that I/O errors are never missed by management. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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