nfsd: remove nfsd_vfs_read

Simpler done in the only caller.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>

fs/nfsd/vfs.c

@@ -920,16 +920,6 @@ __be32 nfsd_readv(struct file *file, loff_t offset, struct kvec *vec, int vlen,
 	return nfsd_finish_read(file, count, host_err);
 }
 
-static __be32
-nfsd_vfs_read(struct svc_rqst *rqstp, struct file *file,
-	      loff_t offset, struct kvec *vec, int vlen, unsigned long *count)
-{
-	if (file->f_op->splice_read && test_bit(RQ_SPLICE_OK, &rqstp->rq_flags))
-		return nfsd_splice_read(rqstp, file, offset, count);
-	else
-		return nfsd_readv(file, offset, vec, vlen, count);
-}
-
 /*
  * Gathered writes: If another process is currently writing to the file,
  * there's a high chance this is another nfsd (triggered by a bulk write
@@ -1041,7 +1031,12 @@ __be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	ra = nfsd_init_raparms(file);
 
 	trace_read_opened(rqstp, fhp, offset, vlen);
-	err = nfsd_vfs_read(rqstp, file, offset, vec, vlen, count);
+
+	if (file->f_op->splice_read && test_bit(RQ_SPLICE_OK, &rqstp->rq_flags))
+		err = nfsd_splice_read(rqstp, file, offset, count);
+	else
+		err = nfsd_readv(file, offset, vec, vlen, count);
+
 	trace_read_io_done(rqstp, fhp, offset, vlen);
 
 	if (ra)