Hi,
I have the following options for my rootfs in /etc/fstab:
rw,relatime,compress=lzo,ssd,discard,space_cache,autodefrag,subvolid=257,subvol=/@
grub2 already placed rootflags=subvol=@ in its cmdline, but not the other
options. I suppose that some of them will automatically be set during
remount, but I'm not sure if all of them will.
Do you know which ones should I manually add to GRUB_CMDLINE_LINUX in
/etc/default/grub?
Is there any way to check to if they are already enabled?
mount shows /dev/mapper/cryptroot on / type btrfs
(rw,relatime,compress=lzo,ssd,discard,space_cache,autodefrag,subvolid=257,subvol=/@)
but I'm not sure if I can trust it: I read that space_cache should trigger
"enabling free space tree" in dmesg but I can't see it and I don't know
about the others.
Thanks,
Niccolò
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