Date: Wed, 26 Aug 2020 18:45:57 -0400 From: J David <j.david.lists@gmail.com> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: Brandon Bergren <bdragon@freebsd.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: pidfile_open() usage in "mount" Message-ID: <CABXB=RTceeJWrcFA-jTyfQnBgTc9rrpesq2BU1dizF3VyJ__KQ@mail.gmail.com> In-Reply-To: <QB1PR01MB3364C5F4640D161DEE96E579DD540@QB1PR01MB3364.CANPRD01.PROD.OUTLOOK.COM> References: <CABXB=RRM7YusQL1gGVGD4s9xi9AB4F5AR5-Jqbp4G1WTZWWA%2BQ@mail.gmail.com> <20200826144013.GV2551@kib.kiev.ua> <dcf65725-af6f-4a89-bcac-b1ca46d49cae@www.fastmail.com> <CABXB=RQe8Epvr=7oZv9C3D4NXyd9TRvRctxM0yy_c5oB_%2B7P4A@mail.gmail.com> <QB1PR01MB3364C5F4640D161DEE96E579DD540@QB1PR01MB3364.CANPRD01.PROD.OUTLOOK.COM>
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On Wed, Aug 26, 2020 at 5:15 PM Rick Macklem <rmacklem@uoguelph.ca> wrote: > The reason is that, if the local file system being mounted happens to be in > /etc/exports, then /etc/exports has to be re-loaded for the update. That makes sense. > Ideally, all local file systems would be mounted and then one HUP would > be sent to mountd, but that isn't the way it has worked for a long time > and changing it would be a POLA violation, imho. Currently, it happens once per invocation of /sbin/mount, at the very end, so if you do something that causes multiple mounts (i.e. the -a flag), it only happens once. That's a good compromise, and I agree that decoupling it to happen somewhere else would not be a good idea, both for the reason you identify, and also because it just doesn't seem like local filesystems follow the fixed, from-boot-to-shutdown model that they used to. Thanks!
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