linux-kernel - Re: data corruption: revalidating a (removable) hdd/flash on re-insert

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 5 Nov 2008 01:29:54 +0100
From:	"Kay Sievers" <kay.sievers@...y.org>
To:	"Michael Tokarev" <mjt@....msk.ru>
Cc:	"Pavel Machek" <pavel@...e.cz>,
	"Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: data corruption: revalidating a (removable) hdd/flash on re-insert

On Tue, Nov 4, 2008 at 22:22, Michael Tokarev <mjt@....msk.ru> wrote:

> So for me, it's easy to deal with (not perfect but it works; it'd be
> even better if i will be able to wait for umount using inotify, to
> only wake when really needed),

If I understand it right, what you are looking for, you could sleep in
poll() of /proc/mounts, and will be woken up with POLLERR if anything
in your mount tree changes. Then you check the state of your usb
device and possibly invalidate it.

Kay
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/