SUNRPC/NFS: make rpc pipe upcall generic

[mirror_ubuntu-jammy-kernel.git] / fs / nfs / blocklayout / blocklayoutdev.c

diff --git a/fs/nfs/blocklayout/blocklayoutdev.c b/fs/nfs/blocklayout/blocklayoutdev.c
index 0b1fb0e25b9383c31cd31398d744be7ba4c06cbc..d08ba9107fde2fa5c608a9b581cc4f7e12e5cb4f 100644 (file)
--- a/fs/nfs/blocklayout/blocklayoutdev.c
+++ b/fs/nfs/blocklayout/blocklayoutdev.c
@@ -79,28 +79,6 @@ int nfs4_blkdev_put(struct block_device *bdev)
        return blkdev_put(bdev, FMODE_READ);
 }
 
-/*
- * Shouldn't there be a rpc_generic_upcall() to do this for us?
- */
-ssize_t bl_pipe_upcall(struct file *filp, struct rpc_pipe_msg *msg,
-                      char __user *dst, size_t buflen)
-{
-       char *data = (char *)msg->data + msg->copied;
-       size_t mlen = min(msg->len - msg->copied, buflen);
-       unsigned long left;
-
-       left = copy_to_user(dst, data, mlen);
-       if (left == mlen) {
-               msg->errno = -EFAULT;
-               return -EFAULT;
-       }
-
-       mlen -= left;
-       msg->copied += mlen;
-       msg->errno = 0;
-       return mlen;
-}
-
 static struct bl_dev_msg bl_mount_reply;
 
 ssize_t bl_pipe_downcall(struct file *filp, const char __user *src,