Push BKL down into ->remount_fs()

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

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index d2d67781c579f34d3990dbe17706e9f98994bfea..26127b69a2755c66e3713a119259051f018745bc 100644 (file)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1813,6 +1813,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
        if (data == NULL)
                return -ENOMEM;
 
+       lock_kernel();
        /* fill out struct with values from existing mount */
        data->flags = nfss->flags;
        data->rsize = nfss->rsize;
@@ -1837,6 +1838,7 @@ nfs_remount(struct super_block *sb, int *flags, char *raw_data)
        error = nfs_compare_remount_data(nfss, data);
 out:
        kfree(data);
+       unlock_kernel();
        return error;
 }