btrfs: remove the second argument of k[un]map_atomic()

Signed-off-by: Cong Wang <amwang@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c
index a178f5ebea78..743b86fa4fcb 100644
--- a/fs/btrfs/lzo.c
+++ b/fs/btrfs/lzo.c
@@ -411,9 +411,9 @@ static int lzo_decompress(struct list_head *ws, unsigned char *data_in,
 
         bytes = min_t(unsigned long, destlen, out_len - start_byte);
 
-        kaddr = kmap_atomic(dest_page, KM_USER0);
+        kaddr = kmap_atomic(dest_page);
         memcpy(kaddr, workspace->buf + start_byte, bytes);
-        kunmap_atomic(kaddr, KM_USER0);
+        kunmap_atomic(kaddr);
 out:
         return ret;
 }