lightnvm: pblk: stop taking the free lock in in pblk_lines_free
pblk_line_meta_free might sleep (it can end up calling vfree, depending on how we allocate lba lists), and this can lead to a BUG() if we wake up on a different cpu and release the lock. As there is no point of grabbing the free lock when pblk has shut down, remove the lock. Signed-off-by: NHans Holmberg <hans.holmberg@cnexlabs.com> Signed-off-by: NMatias Bjørling <mb@lightnvm.io> Signed-off-by: NJens Axboe <axboe@kernel.dk>
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