[Bug 1888369] [NEW] some options that change defaults unacceptable

[Delany]

Public bug reported:

Im not able to change NFS mount options rsize, wsize and timeo from the
default. My /etc/fstab has this entry

    192.168.10.10:/volume1/Containers /mnt/circe nfs defaults 0 0

This is fine

    mount -t nfs -vo remount,rsize=131072 /mnt/circe

This gives me "invalid argument"

    mount -t nfs -vo remount,rsize=32768 /mnt/circe

Kernel: 4.15.0-111-generic x86_64 bits: 64 Console: tty 2 Distro: Ubuntu
18.04.4 LTS mount.nfs: (linux nfs-utils 1.3.3)

** Affects: nfs-utils (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1888369

Title:
  some options that change defaults unacceptable

Status in nfs-utils package in Ubuntu:
  New

Bug description:
  Im not able to change NFS mount options rsize, wsize and timeo from
  the default. My /etc/fstab has this entry

      192.168.10.10:/volume1/Containers /mnt/circe nfs defaults 0 0

  This is fine

      mount -t nfs -vo remount,rsize=131072 /mnt/circe

  This gives me "invalid argument"

      mount -t nfs -vo remount,rsize=32768 /mnt/circe

  Kernel: 4.15.0-111-generic x86_64 bits: 64 Console: tty 2 Distro:
  Ubuntu 18.04.4 LTS mount.nfs: (linux nfs-utils 1.3.3)

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