linux-ext4 - Re: [PATCH 1/2] e2image: truncate raw image file to correct size

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: <4F3E64CE.6060504@ubuntu.com>
Date:	Fri, 17 Feb 2012 09:31:42 -0500
From:	Phillip Susi <psusi@...ntu.com>
To:	Lukas Czerner <lczerner@...hat.com>
CC:	Ted Ts'o <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH 1/2] e2image: truncate raw image file to correct size

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 2/17/2012 5:04 AM, Lukas Czerner wrote:
> We can easily fix that by doing this instead:
> 
> if (sparse > 1024*1024) { write_block(fd, 0, 1024*1024, 0, 0); 
> sparse -= 1024*1024; }

That occurred to me last night while I slept.  I still would like to try
to truncate instead of write the last zero though.  Patch coming up.


-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.17 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iQEcBAEBAgAGBQJPPmTOAAoJEJrBOlT6nu75TekH/RAG5FgOHsUU0uMFG3v9Z1av
sw/KTmaLpnFGOkQDBYzgZ8+1StfhVdZOUpjNduNWots5cv5+9YoMwyBaLgw51YPN
1HIi5UucRiW5KT8j+FShbHbv4SBtU/PaMvqxangNETttT+MMbPj288QSldEYv1Zf
E/0ZPnYxmtd55vs0tee+q0XdSJNLBpMV64nOVIMDPXwOYbjZr+nhAv8LrRGvIk5a
2kduQ2zbN47CjPSod8PjlHIq3MQ+SqYgI9/7aHye9a/K3sGMVMAekacs7vCQquFe
lLx593a6F32p6f2ee+3uqleftzUzxRsDAE3Myollq0STLsfdm9+P+5fdfp8iLEs=
=BYbM
-----END PGP SIGNATURE-----
--
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