From: Evgeny Stambulchik <Evgeny.Stambulchik@weizmann.ac.il>
To: Rob Landley <rob@landley.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Weirdness of "mount -o remount,rw" with write-protected floppy
Date: Fri, 28 Oct 2005 13:55:28 +0200 [thread overview]
Message-ID: <436211B0.1050509@weizmann.ac.il> (raw)
In-Reply-To: <200510271609.47309.rob@landley.net>
Rob Landley wrote:
> But no, this one's clearly a kernel error. If the kernel is giving write
> errors against the device afterwards, than the kernel's internal state
> toggled successfully, which is all the mount syscall was trying to do. Mount
> is just reporting whether or not the syscall succeeded, not whether or not it
> should have. :)
OK, so there are actually two separate bugs, it seems: one that
remounting a RO media in the RW mode succeeds (this "works" for any RO
media, as far as I can tell) and the second (this one is specific to the
floppy driver only) that a further write to such a falsely rw-remounted
media doesn't return (in the user space) an error.
Regards,
Evgeny
next prev parent reply other threads:[~2005-10-28 11:55 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 11:57 Weirdness of "mount -o remount,rw" with write-protected floppy Evgeny Stambulchik
2005-10-27 15:05 ` Jon Masters
2005-10-29 11:58 ` Jon Masters
2005-10-29 13:10 ` Jon Masters
2005-10-27 21:09 ` Rob Landley
2005-10-28 11:55 ` Evgeny Stambulchik [this message]
2005-10-28 12:26 ` Rob Landley
2005-10-28 13:15 ` Evgeny Stambulchik
2005-10-28 13:50 ` Rob Landley
2005-10-28 14:52 ` Evgeny Stambulchik
2005-10-29 1:29 ` Rob Landley
2005-10-29 11:06 ` Evgeny Stambulchik
2005-10-29 16:02 ` Jon Masters
2005-10-29 17:05 ` Jon Masters
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