Date: Thu, 08 Sep 2005 10:35:11 -0600 From: Scott Long <scottl@samsco.org> To: Nate Lawson <nate@root.org> Cc: Perforce Change Reviews <perforce@FreeBSD.org>, Scott Long <scottl@FreeBSD.org> Subject: Re: PERFORCE change 83251 for review Message-ID: <4320683F.1060001@samsco.org> In-Reply-To: <43206729.9020001@root.org> References: <200509080737.j887bmMo009640@repoman.freebsd.org> <43206729.9020001@root.org>
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Nate Lawson wrote: > Scott Long wrote: > >> http://perforce.freebsd.org/chv.cgi?CH=83251 >> >> Change 83251 by scottl@scottl-junior on 2005/09/08 07:37:47 >> >> Import Danny Braniss' iSCSI initiator stack. >> >> Affected files ... >> >> .. //depot/projects/iscsi/blurb#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/isc_cam.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/isc_sm.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/isc_soc.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/isc_subr.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/iscsi.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/iscsi.h#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/iscsi_subr.c#1 add >> .. //depot/projects/iscsi/src/sys/dev/iscsi/iscsivar.h#1 add >> .. //depot/projects/iscsi/src/sys/modules/iscsi_initiator/Makefile#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/Makefile#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/auth.c#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/config.c#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/config.sample#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/fsm.c#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/iscontrol.c#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/iscontrol.h#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/pdu.c#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/pdu.h#1 add >> .. //depot/projects/iscsi/src/usr.sbin/iscontrol/textkey.h#1 add >> .. //depot/projects/scottl-camlock/src/sys/cam/cam_xpt.c#17 edit >> >> Differences ... >> >> ==== //depot/projects/scottl-camlock/src/sys/cam/cam_xpt.c#17 >> (text+ko) ==== >> >> @@ -1527,7 +1527,7 @@ >> s = splsoftcam(); >> camq_resize(&device->drvq, device->drvq.array_size - 1); >> >> - device->generation++; >> + atomic_add_int(&device->generation, 1); >> >> SLIST_REMOVE(periph_head, periph, cam_periph, periph_links); >> > > > And a locking change. :) > > Nice about iSCSI. Will having iscontrol in usr.sbin prevent mounting > /usr as an iSCSI partition? How hard is it to do iSCSI root mounts? > The current incarnation of this code requires iscontrol to do discovery and initial connection. Without it, you don't even get a /dev device. So it's really only suitable for secondary storge. At some point we'll probably look at putting discovery into the kernel. Scott
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