Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 6 Dec 2000 08:50:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 6 Dec 2000 08:50:01 -0500 Received: from cs85214.pp.htv.fi ([212.90.85.214]:55291 "EHLO chip.nutshakers.dhs.org") by vger.kernel.org with ESMTP id ; Wed, 6 Dec 2000 08:49:47 -0500 Date: Wed, 6 Dec 2000 15:18:46 +0200 (EET) From: Panu Matilainen To: Linus Torvalds cc: Kernel Mailing List , Alexander Viro , Andrew Morton , "Stephen C. Tweedie" , Alan Cox , Christoph Rohland , Rik van Riel , MOLNAR Ingo , Subject: Re: test12-pre5 In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 4 Dec 2000, Linus Torvalds wrote: > > Ok, this contains one of the fixes for the dirty inode buffer list (the > other fix is pending, simply because I still want to understand why it > would be needed at all). Al? > > Also, it has the final installment of the PageDirty handling, and now > officially direct IO can work by just marking the physical page dirty and > be done with it. NFS along with all filesystems have been converted, the > one hold-out still being smbfs. > > Who works on smbfs these days? I see two ways of fixing smbfs now that > "writepage()" only gets an anonymous page and no "struct file" information > any more (this also fixes the double page unlock that Andrew saw). Urban Widmark is the smbfs maintainer nowadays. BTW Urban thanks again for the NetApp-fix, it has saved my behind quite a few times by now :) - Panu - > > - disable shared mmap over smbfs (very easily done by just setting > writepage to NULL) > > - fetch the dentry that writepage needs by just looking at the > inode->i_dentry list and/or just make the smbfs page cache host be the > dentry instead of the inode like other filesystems. The first approach > assumes that all paths are equal for writeout, the second one assumes > that there are no hard linking going on in smbfs. > > Somebody more knowledgeable than I will have to make the decision > (otherwise I'll just end up disabling shared mmap - I doubt anybody really > uses it anyway, but it would be more polite to just support it). > > NOTE! There's another change to "writepage()" semantics than just dropping > the "struct file": the new writepage() is supposed to mirror the logic of > readpage(), and unlock the page when it is done with it. This allows the > VM system more visibility into what IO is pending (which the VM doesn't > take advantage of yet, but now it can _truly_ use the same logic for both > swapout and for dirty file writeback). > > The other change is that I forward-ported the ymfpci driver from 2.2.18, > as it works better than the ALSA one on my now-to-be-main-laptop ;) > > [ Alan - I ahve your patches in my incoming queue still, I wanted to get > an interim version out to check with Al on the block list and the VM > stuff with Rik and people. ] > > Linus > > ---- > - pre5: > - Jaroslav Kysela: ymfpci driver > - me: get rid of bogus MS_INVALIDATE semantics > - me: final part of the PageDirty() saga > - Rusty Russell: 4-way SMP iptables fix > - Al Viro: oops - bad ext2 inode dirty block bug > > - pre4: > - Andries Brouwer: final isofs pieces. > - Kai Germaschewski: ISDN > - play CD audio correctly, don't stop after 12 minutes. > - Anton Altaparmakov: disable NTFS mmap for now, as it doesn't work. > - Stephen Tweedie: fix inode dirty block handling > - Bill Hartner: reschedule_idle - prefer right cpu > - Johannes Erdfelt: USB updates > - Alan Cox: synchronize > - Richard Henderson: alpha updates and optimizations > - Geert Uytterhoeven: fbdev could be fooled into crashing fix > - Trond Myklebust: NFS filehandles in inode rather than dentry > > - pre3: > - me: more PageDirty / swapcache handling > - Neil Brown: raid and md init fixes > - David Brownell: pci hotplug sanitization. > - Kanoj Sarcar: mips64 update > - Kai Germaschewski: ISDN sync > - Andreas Bombe: ieee1394 cleanups and fixes > - Johannes Erdfelt: USB update > - David Miller: Sparc and net update > - Trond Myklebust: RPC layer SMP fixes > - Thomas Sailer: mixed sound driver fixes > - Tigran Aivazian: use atomic_dec_and_lock() for free_uid() > > - pre2: > - Peter Anvin: more P4 configuration parsing > - Stephen Tweedie: O_SYNC patches. Make O_SYNC/fsync/fdatasync > do the right thing. > - Keith Owens: make mdule loading use the right struct module size > - Boszormenyi Zoltan: get MTRR's right for the >32-bit case > - Alan Cox: various random documentation etc > - Dario Ballabio: EATA and u14-34f update > - Ivan Kokshaysky: unbreak alpha ruffian > - Richard Henderson: PCI bridge initialization on alpha > - Zach Brown: correct locking in Maestro driver > - Geert Uytterhoeven: more m68k updates > - Andrey Savochkin: eepro100 update > - Dag Brattli: irda update > - Johannes Erdfelt: USB update > > - pre1: (for ISDN synchronization _ONLY_! Not complete!) > - Byron Stanoszek: correct decimal precision for CPU MHz in > /proc/cpuinfo > - Ollie Lho: SiS pirq routing. > - Andries Brouwer: isofs cleanups > - Matt Kraai: /proc read() on directories should return EISDIR, not EINVAL > - me: be stricter about what we accept as a PCI bridge setup. > - me: always set PCI interrupts to be level-triggered when we enable them. > - me: updated PageDirty and swap cache handling > - Peter Anvin: update A20 code to work without keyboard controller > - Kai Germaschewski: ISDN updates > - Russell King: ARM updates > - Geert Uytterhoeven: m68k updates > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/ > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/