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authorBart Van Assche <[email protected]>2017-05-23 16:48:38 -0700
committerNicholas Bellinger <[email protected]>2017-07-06 22:58:03 -0700
commitaf90e84d1f535827f4c593436a807b1efa9f6f2b (patch)
tree5bc3d6a0369e780bad7b6fe3d882b1b9148ef610 /tools/perf/scripts/python
parente3eac12442c2678d64b655e9768bda1be65e0b68 (diff)
xen/scsiback: Make TMF processing slightly faster
Target drivers must guarantee that struct se_cmd and struct se_tmr_req exist as long as target_tmr_work() is in progress. Since the last access by the LIO core is a call to .check_stop_free() and since the Xen scsiback .check_stop_free() drops a reference to the TMF, it is already guaranteed that the struct se_cmd that corresponds to the TMF exists as long as target_tmr_work() is in progress. Hence change the second argument of transport_generic_free_cmd() from 1 into 0. Signed-off-by: Bart Van Assche <[email protected]> Reviewed-by: Juergen Gross <[email protected]> Cc: Christoph Hellwig <[email protected]> Cc: Hannes Reinecke <[email protected]> Cc: David Disseldorp <[email protected]> Cc: [email protected] Signed-off-by: Nicholas Bellinger <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
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