• Chuck Lever's avatar
    NFS: support large reads and writes on the wire · 40859d7e
    Chuck Lever authored
     Most NFS server implementations allow up to 64KB reads and writes on the
     wire.  The Solaris NFS server allows up to a megabyte, for instance.
    
     Now the Linux NFS client supports transfer sizes up to 1MB, too.  This will
     help reduce protocol and context switch overhead on read/write intensive NFS
     workloads, and support larger atomic read and write operations on servers
     that support them.
    
     Test-plan:
     Connectathon and iozone on mount point with wsize=rsize>32768 over TCP.
     Tests with NFS over UDP to verify the maximum RPC payload size cap.
    Signed-off-by: default avatarChuck Lever <cel@netapp.com>
    Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
    40859d7e
read.c 15.2 KB