Symbol: a_nfs4_readahead
usr/src/uts/common/fs/nfs/nfs4_client.c
1294
args->a_nfs4_readahead = readahead;
usr/src/uts/common/fs/nfs/nfs4_client.c
1492
(*args->a_nfs4_readahead)(args->a_vp,