Chris Mason 6e74057c46 Btrfs: Fix async thread shutdown race ...

It was possible for an async worker thread to be selected to
receive a new work item, but exit before the work item was
actually placed into that thread's work list.

This commit fixes the race by incrementing the num_pending
counter earlier, and making sure to check the number of pending
work items before a thread exits.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

2009-09-15 20:20:17 -04:00

16 KiB

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