Date: Thu, 1 Mar 2012 09:33:56 -0500 From: John Baldwin <jhb@freebsd.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: Mikolaj Golub <trociny@freebsd.org>, svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, Konstantin Belousov <kib@freebsd.org> Subject: Re: svn commit: r232317 - in head: . sys/kern sys/sys Message-ID: <201203010933.56172.jhb@freebsd.org> In-Reply-To: <14D2BDEC-B9C7-4B2D-AF2C-60598CCE1EBF@lists.zabbadoz.net> References: <201202292138.q1TLcVFv046104@svn.freebsd.org> <14D2BDEC-B9C7-4B2D-AF2C-60598CCE1EBF@lists.zabbadoz.net>
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On Wednesday, February 29, 2012 6:44:47 pm Bjoern A. Zeeb wrote: > > On 29. Feb 2012, at 21:38 , Mikolaj Golub wrote: > > > Author: trociny > > Date: Wed Feb 29 21:38:31 2012 > > New Revision: 232317 > > URL: http://svn.freebsd.org/changeset/base/232317 > > > > Log: > > Introduce VOP_UNP_BIND(), VOP_UNP_CONNECT(), and VOP_UNP_DETACH() > > operations for setting and accessing vnode's v_socket field. > > > > The operations are necessary to implement proper unix socket handling > > on layered file systems like nullfs(5). > > > > This change fixes the long standing issue with nullfs(5) being in that > > unix sockets did not work between lower and upper layers: if we bound > > to a socket on the lower layer we could connect only to the lower > > path; if we bound to the upper layer we could connect only to the > > upper path. The new behavior is one can connect to both the lower and > > the upper paths regardless what layer path one binds to. > > At this point I wonder if jhb has added (enough) spares with an earlier MFC of another change or whether we'll break thing again? Well, we added 5. This will use up 3 of the 5 in 9. Presumably most new VOPs would be added one at a time, so having 2 available still gives us some room. -- John Baldwin
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