[Bug 978032] Re: partitioning step doesn't have "discard" as a selectable mount option

[Colin Watson]

Kernel support seems to be:

fs/btrfs/super.c:       {Opt_discard, "discard"},
fs/ext4/super.c:        {Opt_discard, "discard"},
fs/fat/inode.c: {Opt_discard, "discard"},
fs/gfs2/super.c:        {Opt_discard, "discard"},
fs/nilfs2/super.c:      {Opt_discard, "discard"},

** Package changed: debian-installer (Ubuntu) => partman-ext3 (Ubuntu)

** Changed in: partman-ext3 (Ubuntu)
       Status: New => Triaged

** Changed in: partman-ext3 (Ubuntu)
   Importance: Low => Wishlist

** Also affects: partman-btrfs (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: partman-btrfs (Ubuntu)
       Status: New => Triaged

** Changed in: partman-btrfs (Ubuntu)
   Importance: Undecided => Wishlist

** Also affects: partman-basicfilesystems (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: partman-basicfilesystems (Ubuntu)
       Status: New => Triaged

** Changed in: partman-basicfilesystems (Ubuntu)
   Importance: Undecided => Wishlist

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https://bugs.launchpad.net/bugs/978032

Title:
  partitioning step doesn't have "discard" as a selectable mount option

Status in “partman-basicfilesystems” package in Ubuntu:
  Triaged
Status in “partman-btrfs” package in Ubuntu:
  Triaged
Status in “partman-ext3” package in Ubuntu:
  Triaged

Bug description:
  Doing a clean install of Ubuntu server on a machine with an SSD. I am
  led to believe that in my fstab I should add the mount option
  "discard" to enable trim support. During the partitioning step I
  manually configured my partitions and selected "mount options" but
  'discard' was not listed. I will now have to manually edit my fstab to
  add this in. Would it not be prudent to have this as a selectable
  option in d-i for server/alternate images?

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