On Fri, May 17, 2019 at 07:16:26PM -0400, Dennis Zhou wrote: > The btrfs zstd workspace manager uses a background timer to reclaim > not recently used workspaces. I dumbly call spin_lock() from this > context which I should have caught with lockdep but.. This deadlock was > reported in [1]. The fix is to switch the zstd wsm lock to use > spin_lock_bh(). > > [1] https://bugzilla.kernel.org/show_bug.cgi?id=203517 > > Signed-off-by: Dennis Zhou <[email protected]>
Reviewed-by: David Sterba <[email protected]> Added to 5.2-rc queue, thanks.
