Re: [PATCH] btrfs: copy fsid to super_block s_uuid

Anand Jain <anand.jain@xxxxxxxxxx> · Wed, 2 Aug 2017 14:02:11 +0800

Hi Darrick,

 Thanks for commenting..

+	memcpy(&sb->s_uuid, fs_info->fsid, BTRFS_FSID_SIZE);

uuid_copy()?

  It requires a larger migration to use uuid_t, IMO it can be done all
  together, in a separate patch ?

  Just for experiment, starting with struct btrfs_fs_info.fsid and
  to check its foot prints, I just renamed fsid to fs_id, and compiled.
  It reports 73 'has no member named ‘fsid'' errors.
  So looks like redefining u8 fsid[] to uuid_t fsid and further updating
  all its foot prints, has to be simplified. Any suggestions ?

Thanks, Anand

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