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authorDave Kleikamp <shaggy@linux.vnet.ibm.com>2007-05-05 14:24:05 -0500
committerDave Kleikamp <shaggy@linux.vnet.ibm.com>2007-05-05 14:24:05 -0500
commit05ec9e26be1f668ccba4ca54d9a4966c6208c611 (patch)
treef05d3437dd0f0623b139e109fe8a53e5ea336696 /Documentation
parent3cbb1c8e1a4787d3dc2951b7615d7bb3788c49a0 (diff)
JFS: Fix race waking up jfsIO kernel thread
It's possible for a journal I/O request to be added to the log_redrive queue and the jfsIO thread to be awakened after the thread releases log_redrive_lock but before it sets its state to TASK_INTERRUPTIBLE. The jfsIO thread should set the state before giving up the spinlock, so the waking thread will really wake it. Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
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