On Sat, Oct 29, 2011 at 02:27:53PM -0400, Benjamin Kaduk wrote:
> On Sat, 29 Oct 2011, Robert Millan wrote:
>
> >2011/10/29 Aurelien Jarno <aurel...@aurel32.net>:
> >>Which seems to be kfreebsd-9 related, not busybox related.
> >>
> >>This is very likely to be the same bug than the one fixed in kfreebsd-8
> >>by 107_mount_update.diff. This patch has been disabled in kfreebsd-9
> >>(probably because this part has been changed upstream), so this is where
> >>to look first.
> >
> >Uhm... ISTR it's me who removed that patch during the upgrade. In any
> >case, I re-checked, and it seems to me that the code that made iovec
> >arguments a requirement is no longer present.
>
> Err, I don't see any iovec arguments in the 107_mount_update.diff
> that google finds for me as [Glibc-bsd-commits] r3165.
>
> >
> >I don't have time to look deeper right now though :-(
> >
> >>Until we are sure it's not a kfreebsd-9 bug, it's better to keep the bug
> >>assigned to kfreebsd-9.
>
> Since stock freebsd is documented as requiring -u ("update") when
> changing the mount options of an already-mounted filesystem, it
> seems very likely to be a kfreebsd bug.
>
Requiring -u is a requirement from the userland mount utility. Here we
are talking about the kernel interface. In this case the MNT_UPDATE flag
passed to the nmount() function is ignored if the filesystem was mounted
ro and the update is to mount it rw.
--
Aurelien Jarno GPG: 1024D/F1BCDB73
aurel...@aurel32.net http://www.aurel32.net
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