linux-kernel - Re: vfat32 Free Cluster Count Update

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, 20 Feb 2008 11:09:28 +0900
From:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:	Valdis.Kletnieks@...edu
Cc:	Gunter Ohrner <G.Ohrner@...t.rwth-aachen.de>,
	linux-kernel@...r.kernel.org
Subject: Re: vfat32 Free Cluster Count Update

Valdis.Kletnieks@...edu writes:

> (Or is 'df' simply a known way to force execution of a code path that ends up
> fixing the counts as a side-effect?)

Yes. df calls statfs(2), and FAT counts free clusters for ->f_ffree for
it. Then, the free clusters count is fixed as a side-effect.
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
--
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/