Symbol: NFSMNT_READAHEAD
sys/fs/nfsclient/nfs_clvfsops.c
1078
args.flags |= NFSMNT_READAHEAD;
sys/fs/nfsclient/nfs_clvfsops.c
730
if ((argp->flags & NFSMNT_READAHEAD) && argp->readahead >= 0) {