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From: Chris Murphy <lists@colorremedies.com>
To: "Austin S. Hemmelgarn" <ahferroin7@gmail.com>
Cc: Chris Murphy <lists@colorremedies.com>,
	waxhead <waxhead@dirtcellar.net>, Stefan K <shadow_7@gmx.net>,
	Btrfs BTRFS <linux-btrfs@vger.kernel.org>
Subject: Re: btrfs as / filesystem in RAID1
Date: Mon, 11 Feb 2019 14:15:35 -0700	[thread overview]
Message-ID: <CAJCQCtT27ONP4W30Q220OEHyXmypMM0oqng6sbRwzm9JJ3k8EA@mail.gmail.com> (raw)
In-Reply-To: <a8e00ae7-9e18-ba74-5521-a2db7b525e51@gmail.com>

On Mon, Feb 11, 2019 at 5:17 AM Austin S. Hemmelgarn
<ahferroin7@gmail.com> wrote:
>
> Last I knew, it was systemd itself doing the pause, because we provide
> no real device for udev to wait on appearing.

Well there's more than one thing responsible for the net behavior. The
most central thing waiting is the kernel. And that's because 'btrfs
device ready' simply waits until all devices are found (by kernel
code). That's the command that /usr/lib/udev/rules.d/64-btrfs.rules
calls. So it is also udev that doesn't return from that, indefinitely
as far as I know. And therefore systemd won't issue a mount command
for sysroot.


-- 
Chris Murphy

  reply	other threads:[~2019-02-11 21:15 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-01 10:28 btrfs as / filesystem in RAID1 Stefan K
2019-02-01 19:13 ` Hans van Kranenburg
2019-02-07 11:04   ` Stefan K
2019-02-07 12:18     ` Austin S. Hemmelgarn
2019-02-07 18:53       ` waxhead
2019-02-07 19:39         ` Austin S. Hemmelgarn
2019-02-07 21:21           ` Remi Gauvin
2019-02-08  4:51           ` Andrei Borzenkov
2019-02-08 12:54             ` Austin S. Hemmelgarn
2019-02-08  7:15           ` Stefan K
2019-02-08 12:58             ` Austin S. Hemmelgarn
2019-02-08 16:56             ` Chris Murphy
2019-02-08 18:10           ` waxhead
2019-02-08 19:17             ` Austin S. Hemmelgarn
2019-02-09 12:13               ` waxhead
2019-02-10 18:34                 ` Chris Murphy
2019-02-11 12:17                   ` Austin S. Hemmelgarn
2019-02-11 21:15                     ` Chris Murphy [this message]
2019-02-08 20:17             ` Chris Murphy
2019-02-07 17:15     ` Chris Murphy
2019-02-07 17:37       ` Martin Steigerwald
2019-02-07 22:19         ` Chris Murphy
2019-02-07 23:02           ` Remi Gauvin
2019-02-08  7:33           ` Stefan K
2019-02-08 17:26             ` Chris Murphy
2019-02-11  9:30     ` Anand Jain
2019-02-02 23:35 ` Chris Murphy
2019-02-04 17:47   ` Patrik Lundquist
2019-02-04 17:55     ` Austin S. Hemmelgarn
2019-02-04 22:19       ` Patrik Lundquist
2019-02-05  6:46         ` Chris Murphy
2019-02-05  7:37           ` Chris Murphy

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