nfs: fix congestion control: use atomic_longs

[firefly-linux-kernel-4.4.55.git] / fs / nfs / write.c

diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 522cd413906ebbfc6cc36254392ee32b12618844..de92b9509d948f7bbcaf07a802a5d85b69cf6104 100644 (file)
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -224,7 +224,7 @@ static int nfs_set_page_writeback(struct page *page)
                struct inode *inode = page->mapping->host;
                struct nfs_server *nfss = NFS_SERVER(inode);
 
-               if (atomic_inc_return(&nfss->writeback) >
+               if (atomic_long_inc_return(&nfss->writeback) >
                                NFS_CONGESTION_ON_THRESH)
                        set_bdi_congested(&nfss->backing_dev_info, WRITE);
        }
@@ -237,7 +237,7 @@ static void nfs_end_page_writeback(struct page *page)
        struct nfs_server *nfss = NFS_SERVER(inode);
 
        end_page_writeback(page);
-       if (atomic_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) {
+       if (atomic_long_dec_return(&nfss->writeback) < NFS_CONGESTION_OFF_THRESH) {
                clear_bdi_congested(&nfss->backing_dev_info, WRITE);
                congestion_end(WRITE);
        }