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Bug#646957: "mount -o remount,rw" has no effect with kFreeBSD 9.0

On Sat, 29 Oct 2011, Robert Millan wrote:

2011/10/29 Aurelien Jarno <aurelien@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.

-Ben Kaduk

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