Date: Tue, 16 Jun 2009 10:10:41 -0400 From: Ben Kelly <ben@wanderview.com> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-hackers@freebsd.org, freebsd-current@freebsd.org Subject: Re: tmpfs experimental? Message-ID: <4A37A7E1.6060905@wanderview.com> In-Reply-To: <h17pm9$4du$1@ger.gmane.org> References: <h162mo$jj2$1@ger.gmane.org> <4A370DB2.8070403@wanderview.com> <h17pm9$4du$1@ger.gmane.org>
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Ivan Voras wrote: > Ben Kelly wrote: >> I get some slightly unexpected behavior when mount <mountpoint> is run >> multiple times: >> >> ianto# mount | grep ' /tmp' >> tmpfs on /tmp (tmpfs, local) >> ianto# mount /tmp >> ianto# mount | grep ' /tmp' >> tmpfs on /tmp (tmpfs, local) >> tmpfs on /tmp (tmpfs, local) >> ianto# umount /tmp >> ianto# mount | grep ' /tmp' >> tmpfs on /tmp (tmpfs, local) > > Sorry, maybe I'm missing the point, but what is wrong with the above > behaviour? AFAIK you are allowed to mount multiple file systems on the > same directory, though it isn't very useful. I guess I just found it confusing because it effectively made files disappear from my file system. This was a surprise to me since I was interpreting fstab as saying "mount a single tmpfs file system here". The only other file system I really had to compare it to was a writable UFS partition which does not exhibit this behavior. Anyway, I have no problem if this is expected behavior. Just mentioning what I thought was an oddity. Overall its been very stable for me. - Ben
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