read_buf           54 fs/nfs/callback_xdr.c static __be32 *read_buf(struct xdr_stream *xdr, int nbytes)
read_buf          151 fs/nfsd/nfs4xdr.c static __be32 *read_buf(struct nfsd4_compoundargs *argp, u32 nbytes)
read_buf          620 lib/zlib_deflate/deflate.c static int read_buf(