From: Hugo Mills <hugo@carfax.org.uk>
To: Duncan <1i5t5.duncan@cox.net>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: illegal snapshot, cannot be deleted
Date: Fri, 13 Nov 2015 21:13:41 +0000 [thread overview]
Message-ID: <20151113211341.GH24333@carfax.org.uk> (raw)
In-Reply-To: <pan$38813$161f71be$a3fa4155$7377d9e9@cox.net>
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On Fri, Nov 13, 2015 at 09:11:46PM +0000, Duncan wrote:
> Hugo Mills posted on Fri, 13 Nov 2015 19:55:20 +0000 as excerpted:
>
> > receive is implemented almost exclusively in userspace, with only a
> > couple of ioctls for mucking around with the UUIDs at the end.
>
> I wasn't aware of that and had assumed kernel space. Apart from the
> topic of discussion here, that has implications for the old "how old is
> too old" versioning question regarding userspace, so thanks, Hugo. =:^)
Note that send is still heavily kernel-side. It's only receive
that's all in userspace.
Hugo.
--
Hugo Mills |
hugo@... carfax.org.uk | __(_'>
http://carfax.org.uk/ | Squeak!
PGP: E2AB1DE4 |
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next prev parent reply other threads:[~2015-11-13 21:13 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-11 22:11 illegal snapshot, cannot be deleted Vedran Vucic
2015-11-12 12:32 ` Austin S Hemmelgarn
2015-11-13 16:12 ` Vedran Vucic
2015-11-13 16:30 ` Austin S Hemmelgarn
2015-11-13 17:30 ` Vedran Vucic
2015-11-13 17:55 ` Henk Slager
2015-11-13 17:57 ` Vedran Vucic
2015-11-13 18:10 ` Austin S Hemmelgarn
2015-11-13 18:42 ` Hugo Mills
2015-11-13 19:40 ` Austin S Hemmelgarn
2015-11-13 19:55 ` Hugo Mills
2015-11-13 20:20 ` Austin S Hemmelgarn
2015-11-13 21:11 ` Duncan
2015-11-13 21:13 ` Hugo Mills [this message]
2015-11-13 23:53 ` Duncan
2015-11-13 20:15 ` Vedran Vucic
2015-11-13 20:18 ` Vedran Vucic
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