Complements v2.6.31 commit 55782138e47d ("tracing/events: convert block
trace points to TRACE_EVENT()") to be equivalent to traditional blktrace
output. Also this allows event filtering to not always get all (un)plug
events.
NB: The NULL pointer check for q->kobj.parent is certainly racy and
I
Complements v2.6.31 commit 55782138e47d ("tracing/events: convert block
trace points to TRACE_EVENT()") to be equivalent to traditional blktrace
output. Also this allows event filtering to not always get all (un)plug
events.
NB: The NULL pointer check for q->kobj.parent is certainly racy and
I
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