Date: Sat, 29 Dec 2012 16:56:23 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: "Robert N. M. Watson" <rwatson@freebsd.org> Cc: Adrian Chadd <adrian@freebsd.org>, src-committers@freebsd.org, Peter Wemm <peter@wemm.org>, svn-src-stable@freebsd.org, svn-src-all@freebsd.org, Alfred Perlstein <bright@mu.org>, svn-src-stable-9@freebsd.org Subject: Re: svn commit: r244663 - stable/9 Message-ID: <20121229145623.GB82219@kib.kiev.ua> In-Reply-To: <C256AEF0-E68E-4C15-9A00-3465C89DD51D@freebsd.org> References: <201212241422.qBOEMrcF021632@svn.freebsd.org> <CAJ-VmokV-JL_xZ9otRXubKZ8KQKe7GgLuLU3UMij0HUD_KhCNw@mail.gmail.com> <50D8B533.8080507@mu.org> <20121225104422.GB53644@kib.kiev.ua> <alpine.BSF.2.00.1212251911360.56707@fledge.watson.org> <CAGE5yCp1oVe74_8wot8rJe5BU9uOHyfLipUN0cFtCC77CLo8hA@mail.gmail.com> <50DE74F1.70105@mu.org> <C256AEF0-E68E-4C15-9A00-3465C89DD51D@freebsd.org>
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[-- Attachment #1 --] On Sat, Dec 29, 2012 at 10:49:59AM +0000, Robert N. M. Watson wrote: > > On 29 Dec 2012, at 04:43, Alfred Perlstein wrote: > > > Yes. Kib and I chatted offline, it seems that the SOP is really "there is no guarantee about KPI when talking about VFS" so the headache that it would be to write the shim layer and maintain it (particularly considering the 9.x release cycle slowness) was not worth it. > > > > In a few days I'm going to blow up the extra entries in VFSOPS and VOPS by some 10 entries to hopefully keep us KPI friendly for the next release. I may also introduce a VFS_KPI version number. Let me know if you have any thoughts on that, my thoughts are basically to make it like FreeBSD_version, and eventually someone can add macros for VFS klds to refuse to load depending on VFS_KPI. > > I don't think stub entries hurt. > > But I think a VFS_KPI version number is premature. We have the version number for eons, but it is unusable because there is no defined VFS KPI. See VFS_VERSION in the sys/sys/mount.h and its use for the module loading and filesystem registrations. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iQIcBAEBAgAGBQJQ3wSWAAoJEJDCuSvBvK1BRrYP/jQ6Sd+MGwOisM8YotsuIzBR S1keOAc3eKutEYUnSg7d/85AfcvkXe+J60LIIljbTw8S6mL9sDCWM+gQ9R57Gt9N 4alUH59M+YjBNKmbi/kza6vknwHN+Nh5xt42AITuNq856swnwZC7ozxmWaOXPf4i KPnIGgD2xjI+a24jHGnT4TBrDHtYYjQ7hH3L0gJNVUYhjjLkoE9EpPZfQNoOltYH oAaX9eEaCQM5kmOKRXNtOWsAM1JxaWFW6AUvoRSbfWpWK0hSnB5ZBvsuEu634bJS zG+xHC9BV3y+HWmgwuN7wVrFQg8h+TS/f9a9tQ1bjno653hqMr6O7bG5iUpdkaai ffgtZdXHzMetku+/CLph3fAkvA56UIDGWu5OqKfo/oQiTaVqDpShFigVi6DMxZyg LYXwvZZ0exrrIkIWffOvN4bUp2qUz8mppuBiiWhRrf5X5UWIOZQ0LPLbpKcE5kpy AjtjVgnFYAKrlQ8ntsAA0jzDivi/eJCpDusFSAC4TcAsO8pGv1APf0dXdSbZL1o/ V7h1lGPnIbKEf5CQYivzXZaNyiKddkpfVnS3TfcWODwQl5u/QKSG6UEEGiQDI83j osDrCfq3ofMQNaCh/s+2SHrP0RLEKbgaSi9mvifIKtYywEI6CkTBpMFQjkc1Xtv8 wddck44otHEL4YU0f4zv =qk75 -----END PGP SIGNATURE-----
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