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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2011-05-20 17:34:43 +0400
committerMatthew Wilcox <matthew.r.wilcox@intel.com>2011-11-04 23:53:03 +0400
commiteac623ba7a91474a688eb5d0fcd0eaa6a56dc41c (patch)
tree59a355c616c3f8b717e73aac01af2f9e3ffdc60c /virt
parent6f0f54499f2edf7e25410cdd99e6f030f3485fd1 (diff)
downloadlinux-eac623ba7a91474a688eb5d0fcd0eaa6a56dc41c.tar.xz
NVMe: Add the nvme thread to the wait queue before waking it up
If the I/O was not completed by a single NVMe command, we add the bio to the congestion list and wake up the kthread to resubmit it. But the kthread calls remove_wait_queue() unconditionally, which will oops if it's not on the wait queue. So add the kthread to the wait queue before waking it up. Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
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