btrfs: fix min csum item size warnings in 32bit

[linux-block.git] / fs / btrfs / compression.c

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index 86eff48dab786d525d3395d31dcf3f45a11dafc1..43d1c5a3a030888544d8dd8f7b36239386552d08 100644 (file)
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -818,6 +818,7 @@ static void free_workspace(int type, struct list_head *workspace)
        btrfs_compress_op[idx]->free_workspace(workspace);
        atomic_dec(alloc_workspace);
 wake:
+       smp_mb();
        if (waitqueue_active(workspace_wait))
                wake_up(workspace_wait);
 }