tree 2da9621db484711a4d29fdbf2df729c0545d0dcc
parent bd9533e36ea3d6c964f65b8e407bad00dab59e5d
author Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> 1322655822 +0000
committer Kevin Wolf <kwolf@redhat.com> 1323093154 +0100

block: wait_for_overlapping_requests() deadlock detection

Debugging a reentrant request deadlock was fun but in the future we need
a quick and obvious way of detecting such bugs.  Add an assert that
checks we are not about to deadlock when waiting for another request.

Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>