From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFBCCC2BCA1 for ; Fri, 7 Jun 2019 20:26:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C0E1520868 for ; Fri, 7 Jun 2019 20:26:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C0E1520868 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:52946 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZLR8-0003p1-Sz for qemu-devel@archiver.kernel.org; Fri, 07 Jun 2019 16:26:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38063) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hZKUC-0000qr-Vg for qemu-devel@nongnu.org; Fri, 07 Jun 2019 15:25:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hZKUC-0004iv-1F for qemu-devel@nongnu.org; Fri, 07 Jun 2019 15:25:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55206) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hZKU9-0003hb-Bn; Fri, 07 Jun 2019 15:25:09 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C1B2D30C31A0; Fri, 7 Jun 2019 19:24:39 +0000 (UTC) Received: from [10.10.120.179] (ovpn-120-179.rdu2.redhat.com [10.10.120.179]) by smtp.corp.redhat.com (Postfix) with ESMTP id A76798CBB9; Fri, 7 Jun 2019 19:24:37 +0000 (UTC) To: Eric Blake , qemu-block@nongnu.org, qemu-devel@nongnu.org References: <20190606184159.979-1-jsnow@redhat.com> <20190606184159.979-6-jsnow@redhat.com> <07a09d35-769e-ff48-2e93-26c05ce5c9da@redhat.com> From: John Snow Openpgp: preference=signencrypt Autocrypt: addr=jsnow@redhat.com; prefer-encrypt=mutual; keydata= mQINBFTKefwBEAChvwqYC6saTzawbih87LqBYq0d5A8jXYXaiFMV/EvMSDqqY4EY6whXliNO IYzhgrPEe7ZmPxbCSe4iMykjhwMh5byIHDoPGDU+FsQty2KXuoxto+ZdrP9gymAgmyqdk3aV vzzmCa3cOppcqKvA0Kqr10UeX/z4OMVV390V+DVWUvzXpda45/Sxup57pk+hyY52wxxjIqef rj8u5BN93s5uCVTus0oiVA6W+iXYzTvVDStMFVqnTxSxlpZoH5RGKvmoWV3uutByQyBPHW2U 1Y6n6iEZ9MlP3hcDqlo0S8jeP03HaD4gOqCuqLceWF5+2WyHzNfylpNMFVi+Hp0H/nSDtCvQ ua7j+6Pt7q5rvqgHvRipkDDVsjqwasuNc3wyoHexrBeLU/iJBuDld5iLy+dHXoYMB3HmjMxj 3K5/8XhGrDx6BDFeO3HIpi3u2z1jniB7RtyVEtdupED6lqsDj0oSz9NxaOFZrS3Jf6z/kHIf h42mM9Sx7+s4c07N2LieUxcfqhFTaa/voRibF4cmkBVUhOD1AKXNfhEsTvmcz9NbUchCkcvA T9119CrsxfVsE7bXiGvdXnzyGLXdsoosjzwacKdOrVaDmN3Uy+SHiQXo6TlkSdV0XH2PUxTM LsBFIO9qXO43Ai6J6iPAP/01l8fuZfpJE0/L/c25yyaND7xA3wARAQABtCpKb2huIFNub3cg KEpvaG4gSHVzdG9uKSA8anNub3dAcmVkaGF0LmNvbT6JAlQEEwECAD4CGwMCHgECF4AFCwkI BwMFFQoJCAsFFgIDAQAWIQT665cRoSz0dYEvGPKIqQZNGDVh6wUCXF392gUJC1Xq3gAKCRCI qQZNGDVh6558D/9pM4pu4njX5aT6uUW3vAmbWLF1jfPxiTQgSHAnm9EBMZED/fsvkzj97clo LN7JKmbYZNgJmR01A7flG45V4iOR/249qAfaVuD+ZzZi1R4jFzr13WS+IEdn0hYp9ITndb7R ezW+HGu6/rP2PnfmDnNowgJu6Dp6IUEabq8SXXwGHXZPuMIrsXJxUdKJdGnh1o2u7271yNO7 J9PEMuMDsgjsdnaGtv7aQ9CECtXvBleAc06pLW2HU10r5wQyBMZGITemJdBhhdzGmbHAL0M6 vKi/bafHRWqfMqOAdDkv3Jg4arl2NCG/uNateR1z5e529+UlB4XVAQT+f5T/YyI65DFTY940 il3aZhA8u788jZEPMXmt94u7uPZbEYp7V0jt68SrTaOgO7NaXsboXFjwEa42Ug5lB5d5/Qdp 1AITUv0NJ51kKwhHL1dEagGeloIsGVQILmpS0MLdtitBHqZLsnJkRvtMaxo47giyBlv2ewmq tIGTlVLxHx9xkc9aVepOuiGlZaZB72c9AvZs9rKaAjgU2UfJHlB/Hr4uSk/1EY0IgMv4vnsG 1sA5gvS7A4T4euu0PqHtn2sZEWDrk5RDbw0yIb53JYdXboLFmFXKzVASfKh2ZVeXRBlQQSJi 3PBR1GzzqORlfryby7mkY857xzCI2NkIkD2eq+HhzFTfFOTdGrkCDQRUynn8ARAAwbhP45BE d/zAMBPV2dk2WwIwKRSKULElP3kXpcuiDWYQob3UODUUqClO+3aXVRndaNmZX9WbzGYexVo3 5j+CVBCGr3DlU8AL9pp3KQ3SJihWcDed1LSmUf8tS+10d6mdGxDqgnd/OWU214isvhgWZtZG MM/Xj7cx5pERIiP+jqu7PT1cibcfcEKhPjYdyV1QnLtKNGrTg/UMKaL+qkWBUI/8uBoa0HLs NH63bXsRtNAG8w6qG7iiueYZUIXKc4IHINUguqYQJVdSe+u8b2N5XNhDSEUhdlqFYraJvX6d TjxMTW5lzVG2KjztfErRNSUmu2gezbw1/CV0ztniOKDA7mkQi6UIUDRh4LxRm5mflfKiCyDQ L6P/jxHBxFv+sIgjuLrfNhIC1p3z9rvCh+idAVJgtHtYl8p6GAVrF+4xQV2zZH45tgmHo2+S JsLPjXZtWVsWANpepXnesyabWtNAV4qQB7/SfC77zZwsVX0OOY2Qc+iohmXo8U7DgXVDgl/R /5Qgfnlv0/3rOdMt6ZPy5LJr8D9LJmcP0RvX98jyoBOf06Q9QtEwJsNLCOCo2LKNL71DNjZr nXEwjUH66CXiRXDbDKprt71BiSTitkFhGGU88XCtrp8R9yArXPf4MN+wNYBjfT7K29gWTzxt 9DYQIvEf69oZD5Z5qHYGp031E90AEQEAAYkCPAQYAQIAJgIbDBYhBPrrlxGhLPR1gS8Y8oip Bk0YNWHrBQJcXf3JBQkLVerNAAoJEIipBk0YNWHrU1AP/1FOK2SBGbyhHa5vDHuf47fgLipC e0/h1E0vdSonzlhPxuZoQ47FjzG9uOhqqQG6/PqtWs/FJIyz8aGG4aV+pSA/9Ko3/2ND8MSY ZflWs7Y8Peg08Ro01GTHFITjEUgHpTpHiT6TNcZB5aZNJ8jqCtW5UlqvXXbVeSTmO70ZiVtc vUJbpvSxYmzhFfZWaXIPcNcKWL1rnmnzs67lDhMLdkYVf91aml/XtyMUlfB8Iaejzud9Ht3r C0pA9MG57pLblX7okEshxAC0+tUdY2vANWFeX0mgqRt1GSuG9XM9H/cKP1czfUV/FgaWo/Ya fM4eMhUAlL/y+/AJxxumPhBXftM4yuiktp2JMezoIMJI9fmhjfWDw7+2jVrx9ze1joLakFD1 rVAoHxVJ7ORfQ4Ni/qWbQm3T6qQkSMt4N/scNsMczibdTPxU7qtwQwIeFOOc3wEwmJ9Qe3ox TODQ0agXiWVj0OXYCHJ6MxTDswtyTGQW+nUHpKBgHGwUaR6d1kr/LK9+5LpOfRlK9VRfEu7D PGNiRkr8Abp8jHsrBqQWfUS1bAf62bq6XUel0kUCtb7qCq024aOczXYWPFpJFX+nhp4d7NeH Edq+wlC13sBSiSHC7T5yssJ+7JPa2ATLlSKhEvBsLe2TsSTTtFlA0nBclqhfJXzimiuge9qU E40lvMWBuQINBFTKimUBEADDbJ+pQ5M4QBMWkaWImRj7c598xIZ37oKM6rGaSnuB1SVb7YCr Ci2MTwQcrQscA2jm80O8VFqWk+/XsEp62dty47GVwSfdGje/3zv3VTH2KhOCKOq3oPP5ZXWY rz2d2WnTvx++o6lU7HLHDEC3NGLYNLkL1lyVxLhnhvcMxkf1EGA1DboEcMgnJrNB1pGP27ww cSfvdyPGseV+qZZa8kuViDga1oxmnYDxFKMGLxrClqHrRt8geQL1Wj5KFM5hFtGTK4da5lPn wGNd6/CINMeCT2AWZY5ySz7/tSZe5F22vPvVZGoPgQicYWdNc3ap7+7IKP86JNjmec/9RJcz jvrYjJdiqBVldXou72CtDydKVLVSKv8c2wBDJghYZitfYIaL8cTvQfUHRYTfo0n5KKSec8Vo vjDuxmdbOUBA+SkRxqmneP5OxGoZ92VusrwWCjry8HRsNdR+2T+ClDCO6Wpihu4V3CPkQwTy eCuMHPAT0ka5paTwLrnZIxsdfnjUa96T10vzmQgAxpbbiaLvgKJ8+76OPdDnhddyxd2ldYfw RkF5PEGg3mqZnYKNNBtwjvX49SAvgETQvLzQ8IKVgZS0m4z9qHHvtc1BsQnFfe+LJOFjzZr7 CrDNJMqk1JTHYsSi2JcN3vY32WMezXSQ0TzeMK4kdnclSQyp/h23GWod5QARAQABiQRbBBgB AgAmAhsCFiEE+uuXEaEs9HWBLxjyiKkGTRg1YesFAlxd/coFCQtV2mQCKcFdIAQZAQIABgUC VMqKZQAKCRB974EGqvw5DiJoEACLmuiRq9ifvOh5DyBFwRS7gvA14DsGQngmC57EzV0EFcfM XVi1jX5OtwUyUe0Az5r6lHyyHDsDsIpLKBlWrYCeLpUhRR3oy181T7UNxvujGFeTkzvLAOo6 Hs3b8Wv9ARg+7acRYkQRNY7k0GIJ6YZz149tRyRKAy/vSjsaB9Lt0NOd1wf2EQMKwRVELwJD y0AazGn+0PRP7Bua2YbtxaBmhBBDb2tPpwn8U9xdckB4Vlft9lcWNsC/18Gi9bpjd9FSbdH/ sOUI+3ToWYENeoT4IP09wn6EkgWaJS3nAUN/MOycNej2i4Yhy2wDDSKyTAnVkSSSoXk+tK91 HfqtokbDanB8daP+K5LgoiWHzjfWzsxA2jKisI4YCGjrYQzTyGOT6P6u6SEeoEx10865B/zc 8/vN50kncdjYz2naacIDEKQNZlnGLsGkpCbfmfdi3Zg4vuWKNdWr0wGUzDUcpqW0y/lUXna+ 6uyQShX5e4JD2UPuf9WAQ9HtgSAkaDd4O1I2J41sleePzZOVB3DmYgy+ECRJJ5nw3ihdxpgc y/v3lfcJaqiyCv0PF+K/gSOvwhH7CbVqARmptT7yhhxqFdaYWo2Z2ksuKyoKSRMFCXQY5oac uTmyPIT4STFyUQFeqSCWDum/NFNoSKhmItw2Td+4VSJHShRVbg39KNFPZ7mXYAkQiKkGTRg1 YesWJA/+PV3qDUtPNEGwjVvjQqHSbrBy94tu6gJvPHgGPtRDYvxnCaJsmgiC0pGB2KFRsnfl 2zBNBEWF/XwsI081jQE5UO60GKmHTputChLXpVobyuc+lroG2YhknXRBAV969SLnZR4BS/1s Gi046gOXfaKYatve8BiZr5it5Foq3FMPDNgZMit1H9Dk8rkKFfDMRf8EGS/Z+TmyEsIf99H7 TH3n7lco8qO81fSFwkh4pvo2kWRFYTC5vsIVQ+GqVUp+W1DZJHxX8LwWuF1AzUt4MUTtNAvy TXl5EgsmoY9mpNNL7ZnW65oG63nEP5KNiybvuQJzXVxR8eqzOh2Mod4nHg3PE7UCd3DvLNsn GXFRo44WyT/G2lArBtjpkut7bDm0i1nENABy2UgS+1QvdmgNu6aEZxdNthwRjUhuuvCCDMA4 rCDQYyakH2tJNQgkXkeLodBKF4bHiBbuwj0E39S9wmGgg+q4OTnAO/yhQGknle7a7G5xHBwE i0HjnLoJP5jDcoMTabZTIazXmJz3pKM11HYJ5/ZsTIf3ZRJJKIvXJpbmcAPVwTZII6XxiJdh RSSX4Mvd5pL/+5WI6NTdW6DMfigTtdd85fe6PwBNVJL2ZvBfsBJZ5rxg1TOH3KLsYBqBTgW2 glQofxhkJhDEcvjLhe3Y2BlbCWKOmvM8XS9TRt0OwUs= Message-ID: <4b4a8653-7d2a-4a3c-b3e7-53daf5031037@redhat.com> Date: Fri, 7 Jun 2019 15:24:35 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <07a09d35-769e-ff48-2e93-26c05ce5c9da@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Fri, 07 Jun 2019 19:24:43 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [PATCH 5/5] block/qcow2-bitmap: Count queued bitmaps towards directory_size X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Fam Zheng , Kevin Wolf , vsementsov@virtuozzo.com, Markus Armbruster , Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/6/19 10:30 PM, Eric Blake wrote: > On 6/6/19 1:41 PM, John Snow wrote: >> Similarly to the previous commit, we need to also keep a ledger of the >> additional directory size burden that we've not yet committed so we can >> reject new additions sooner instead of later. >> >> Signed-off-by: John Snow >> --- >> block/qcow2.h | 1 + >> block/qcow2-bitmap.c | 13 ++++++++++++- >> 2 files changed, 13 insertions(+), 1 deletion(-) >> >> diff --git a/block/qcow2.h b/block/qcow2.h >> index ebf60ac236..5aff97eb9c 100644 >> --- a/block/qcow2.h >> +++ b/block/qcow2.h >> @@ -318,6 +318,7 @@ typedef struct BDRVQcow2State { >> >> uint32_t nb_bitmaps; >> uint32_t nb_queued_bitmaps; >> + uint32_t queued_directory_size; >> uint64_t bitmap_directory_size; > > Why can we get away with uint32_t for the queue size, but uint64_t for > the stored size? Something feels fishy. > That would be me using the wrong type. --js