On Tue, Apr 7, 2015 at 5:08 AM, arnaud gaboury <arnaud.gabo...@gmail.com> wrote:
> May you please tell why your recommendation is better
> than my settings, if I thereafter make root as the default sub-volume?

For what it's worth, the bootloader ignores the default subvolume and
so does the mount command anytime you use subvol= or subvol=id mount
options. I don't recommend relying on changing default subvolume to
something else on any volume used as root, it just gets confusing.

It makes sense for data drives, where you have a main subvolume that
you pretty much always want to mount by default, and then every so
often you can mount subvolid=5 to make a snapshot of that subvolume.
Yet a normal mount would always mount that main subvolume, not the top
level.

-- 
Chris Murphy
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