linux-ext4 - Re: [PATCH 3/4] ext2fs: add multi-mount protection (INCOMPAT

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]

Message-ID: <20110924184954.GF2779@thunk.org>
Date:	Sat, 24 Sep 2011 14:49:54 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Andreas Dilger <adilger@...mcloud.com>
Cc:	linux-ext4@...r.kernel.org, Johann Lombardi <johann@...mcloud.com>
Subject: Re: [PATCH 3/4] ext2fs: add multi-mount protection (INCOMPAT_MMP)

On Fri, Sep 23, 2011 at 05:38:43PM -0600, Andreas Dilger wrote:
> Multi-mount protection is feature that allows mke2fs, e2fsck, and
> others to detect if the filesystem is mounted on a remote node (on
> SAN disks) and avoid corrupting the filesystem.  For e2fsprogs this
> means that it checks the MMP block to see if the filesystem is in use,
> and marks the filesystem busy while e2fsck is running on the system.

Applied, thanks.

						- Ted
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html