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authorNicholas Bellinger <[email protected]>2013-06-06 01:35:18 -0700
committerNicholas Bellinger <[email protected]>2013-06-20 14:10:39 -0700
commit862e6389a78992d4ee44bf4f60051fe560470320 (patch)
tree0b0cceedf17564748ca12e5b25d37ff1f9ac050f /tools/perf/scripts/python/syscall-counts-by-pid.py
parent670caa9f762647802a1b19749f127ac28949ca5a (diff)
target: Add transport_cmd_check_stop write_pending bit
This patch adds a new transport_cmd_check_stop() parameter for signaling when TRANSPORT_WRITE_PENDING needs to be set. This allows transport_generic_new_cmd() to avoid the extra lock acquire/release of ->t_state_lock in the fast path for DMA_TO_DEVICE operations ahead of transport_cmd_check_stop() + se_tfo->write_pending(). Cc: Christoph Hellwig <[email protected]> Cc: Roland Dreier <[email protected]> Cc: Kent Overstreet <[email protected]> Cc: Or Gerlitz <[email protected]> Cc: Moussa Ba <[email protected]> Signed-off-by: Nicholas Bellinger <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
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