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
| ||
|
Date: Sat, 8 Feb 2014 16:00:01 +0100 From: Thomas Glanzmann <thomas@...nzmann.de> To: Eric Dumazet <eric.dumazet@...il.com> Cc: John Ogness <john.ogness@...utronix.de>, Eric Dumazet <edumazet@...gle.com>, "David S. Miller" <davem@...emloft.net>, "Nicholas A. Bellinger" <nab@...ux-iscsi.org>, target-devel <target-devel@...r.kernel.org>, Linux Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: REGRESSION f54b311142a92ea2e42598e347b84e1655caf8e3 tcp auto corking slows down iSCSI file system creation by factor of 70 [WAS: 4 TB VMFS creation takes 15 minutes vs 26 seconds] Hello Eric, > Idea would be to set this flag when calling sendmsg() of the 48 bytes > of the header, and not set it on the sendmsg() of the 512 bytes of the > payload. I see. > iscsi_sw_tcp_xmit_segment() already adds MSG_MORE, but > it would be nice to add a new _initial_ flags parameter to > iscsi_sw_tcp_xmit_segment() This is for the iscsi initiator implementation. I'm interested in iSCSI target code, but I already found it and experiemented a little bit, but I need to dig deeper if I want to prepare a patch. Cheers, Thomas -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists