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authorPhilipp Reisner <[email protected]>2010-09-01 15:47:15 +0200
committerPhilipp Reisner <[email protected]>2010-10-14 18:38:29 +0200
commit63106d3c6c769b6219bd04edde513b12abae3f61 (patch)
tree5131a90796858c44bfb4cceda6c2a4760d7e007d /tools/perf/scripts/python/futex-contention.py
parentef50a3e34f93a067ada541346be3175e924331a2 (diff)
drbd: Removed a race that could cause unexpected execution of w_make_resync_request()
The actual race happened int the drbd_start_resync() function. Where drbd_resync_finished() -> __drbd_set_state() set STOP_SYNC_TIMER and armed the timer. If the timer fired before execution reaches the mod_timer statement at the end of drbd_start_resync() the latter would cause an unexpected call to w_make_resync_request(). Removed the STOP_SYNC_TIMER bit, and base it on the connection state. The STOP_SYNC_TIMER bit probably originates probably the time before the state engine. Signed-off-by: Philipp Reisner <[email protected]> Signed-off-by: Lars Ellenberg <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
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