Date: Mon, 26 Apr 1999 12:15:21 -0700 (PDT) From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: jbryant@unix.tfs.net Cc: freebsd-current@freebsd.org Subject: Re: file disappeared? Message-ID: <199904261915.MAA82637@troutmask.apl.washington.edu> In-Reply-To: <199904261858.NAA21791@argus.tfs.net> from Jim Bryant at "Apr 26, 1999 01:58:44 pm"
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Jim Bryant wrote:
> In reply:
> > Can VFS_STATFS return a value that indicates whether a file system
> > is mounted? If so, it would seem logical to have fsck check the status.
> >
> > status = VFS_STATFS(mp, sbp, p);
> > if (status & MOUNTED)
> > perror("file system mounted");
>
> I am saying this without having looked at the code first, but I
> believe that it is already impossible to umount a filesystem with any
> OPEN files on it: "filesystem in use". Assuming that all of the
> buffers are flushed upon close, the only thing you really should get
> is a clean flag problem, as would happen in a crash on a filesystem
> with no open files.
>
I wasn't clear in my response. Running "fsck -p" on a mounted
file system can supposedly lead to Bad Things. It seems that fsck
should determine if the file systm is mounted before it can to some
damage.
--
Steve
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