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, 7 Jul 2010 08:57:01 -0400
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Neil Brown <neilb@...e.de>
Cc:	Dave Chinner <david@...morbit.com>,
	"Aneesh Kumar K. V" <aneesh.kumar@...ux.vnet.ibm.com>,
	hch@...radead.org, viro@...iv.linux.org.uk, adilger@....com,
	corbet@....net, serue@...ibm.com, hooanon05@...oo.co.jp,
	linux-fsdevel@...r.kernel.org, sfrench@...ibm.com,
	philippe.deniel@....FR, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -V14 0/11] Generic name to handle and open by handle
 syscalls

On Wed, Jul 07, 2010 at 12:57:26PM +1000, Neil Brown wrote:
> The trouble with /proc/mounts is that it is somewhat clumsy to parse
> (remember to handle \0ctal escapes) and doesn't include major/minor number
> which is the primary key for identifying filesystems in Linux
> (see /sys/class/bdi/MAJOR:MINOR which is e.g. the best place to configure
> read-ahead for a filesystem).
> 
> So /proc/mounts could work (and would probably be better than a new syscall)
> but I would really rather see something sane in /sys for
> inspecting/configuring filesystems (rather than each filesystem doing their
> own independent thing in /sys/fs).

If you use sys or proc, is it possible to get the uuid from a file
descriptor or pathname without races?

--b.
--
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/

Powered by blists - more mailing lists