cciss: Use one scan thread per controller and fix hang during rmmod

Replace the use of one scan kthread per controller with one per driver.
Use a queue to hold a list of controllers that need to be rescanned with
routines to add and remove controllers from the queue.

Fix locking and completion handling to prevent a hang during rmmod.

Signed-off-by: Andrew Patterson <[email protected]>
Signed-off-by: Stephen M. Cameron <[email protected]>
Acked-by: Mike Miller <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

0 files changed, 0 insertions, 0 deletions