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From: Duncan <1i5t5.duncan@cox.net>
To: linux-btrfs@vger.kernel.org
Subject: Fixed subject: updatedb does not index separately mounted btrfs subvolumes
Date: Sun, 5 Nov 2017 07:47:07 +0000 (UTC)	[thread overview]
Message-ID: <pan$94157$844c1b67$c8d5af52$b34db269@cox.net> (raw)
In-Reply-To: <CAJCQCtSf1mX0kWCRjfSTwZKwZC6mMN7Vdio0LJdCCY96ifte4g@mail.gmail.com>

Chris Murphy posted on Fri, 03 Nov 2017 18:15:53 -0600 as excerpted:

> Ancient bug, still seems to be a bug.
> https://bugzilla.redhat.com/show_bug.cgi?id=906591
> 
> The issue is that updatedb by default will not index bind mounts, but by
> default on Fedora and probably other distros, put /home on a subvolume
> and then mount that subvolume which is in effect a bind mount.

<gripe-mode: inaccurate subject lines>

So the issue isn't /home being btrfs (as you said in the subject), but 
rather, it's /home being an explicitly mounted subvolume, since btrfs 
uses bind-mounts internally for subvolume mounts.

Makes a difference for folks like me who have /home on a fully separate 
btrfs.  You had me wondering for a moment, tho as it happens I don't use 
updatedb either, but I was still wondering what weird bug and how it 
might otherwise affect me.  An accurate subject line would have helped...

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman


  parent reply	other threads:[~2017-11-05  7:47 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-04  0:15 updatedb does not index /home when /home is Btrfs Chris Murphy
2017-11-04  4:49 ` Adam Borowski
2017-11-04  6:26   ` Andrei Borzenkov
2017-11-04  7:05     ` Adam Borowski
2017-11-04 18:27       ` Andrei Borzenkov
2017-11-04 18:55         ` Chris Murphy
2017-11-04 19:37           ` Nicholas D Steeves
2017-11-05  8:01           ` Andrei Borzenkov
2017-11-06 13:51             ` Austin S. Hemmelgarn
2017-11-06 18:35               ` Chris Murphy
2017-11-06 19:44                 ` Austin S. Hemmelgarn
2017-11-05  7:47 ` Duncan [this message]
2017-11-05 14:02   ` Fixed subject: updatedb does not index separately mounted btrfs subvolumes Chris Murphy
2017-11-06  0:27   ` Peter Grandi

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