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GET /api/patches/934/?format=api
{ "id": 934, "url": "http://patchwork.ozlabs.org/api/patches/934/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/200809222107.m8ML76xD029671@imap1.linux-foundation.org/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<200809222107.m8ML76xD029671@imap1.linux-foundation.org>", "list_archive_url": null, "date": "2008-09-22T21:07:06", "name": "[for,2.6.27?,1/1] ext4: create /proc/ext4/*/stats et al more carefully", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": true, "hash": "4d9bb9f7758d96c3ad852f90692f4168f9f2c0b8", "submitter": { "id": 107, "url": "http://patchwork.ozlabs.org/api/people/107/?format=api", "name": "Andrew Morton", "email": "akpm@linux-foundation.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/200809222107.m8ML76xD029671@imap1.linux-foundation.org/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/934/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/934/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-ext4-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.176.167])\n\tby ozlabs.org (Postfix) with ESMTP id 3742ADDEDD\n\tfor <patchwork-incoming@ozlabs.org>;\n\tTue, 23 Sep 2008 07:08:15 +1000 (EST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752342AbYIVVIK (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tMon, 22 Sep 2008 17:08:10 -0400", "(majordomo@vger.kernel.org) by vger.kernel.org id S1753013AbYIVVIK\n\t(ORCPT <rfc822;linux-ext4-outgoing>);\n\tMon, 22 Sep 2008 17:08:10 -0400", "from smtp1.linux-foundation.org ([140.211.169.13]:59448 \"EHLO\n\tsmtp1.linux-foundation.org\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1752342AbYIVVIJ (ORCPT\n\t<rfc822;linux-ext4@vger.kernel.org>);\n\tMon, 22 Sep 2008 17:08:09 -0400", "from imap1.linux-foundation.org (imap1.linux-foundation.org\n\t[140.211.169.55])\n\tby smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with\n\tESMTP id m8ML77QO014269\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);\n\tMon, 22 Sep 2008 14:07:08 -0700", "from localhost.localdomain (localhost [127.0.0.1])\n\tby imap1.linux-foundation.org\n\t(8.13.5.20060308/8.13.5/Debian-3ubuntu1.1) with ESMTP id\n\tm8ML76xD029671; Mon, 22 Sep 2008 14:07:06 -0700" ], "Message-Id": "<200809222107.m8ML76xD029671@imap1.linux-foundation.org>", "Subject": "[patch for 2.6.27? 1/1] ext4: create /proc/ext4/*/stats et al more\n\tcarefully", "To": "tytso@mit.edu", "Cc": "linux-ext4@vger.kernel.org, akpm@linux-foundation.org,\n\tadobriyan@gmail.com, adilger@sun.com, ralf.hildebrandt@charite.de", "From": "akpm@linux-foundation.org", "Date": "Mon, 22 Sep 2008 14:07:06 -0700", "X-Spam-Status": "No, hits=-3.358 required=5 tests=AWL, BAYES_00,\n\tOSDL_HEADER_SUBJECT_BRACKETED", "X-Spam-Checker-Version": "SpamAssassin 3.2.4-osdl_revision__1.47__", "X-MIMEDefang-Filter": "lf$Revision: 1.188 $", "X-Scanned-By": "MIMEDefang 2.63 on 140.211.169.13", "Sender": "linux-ext4-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<linux-ext4.vger.kernel.org>", "X-Mailing-List": "linux-ext4@vger.kernel.org" }, "content": "From: Alexey Dobriyan <adobriyan@gmail.com>\n\nAddresses http://bugzilla.kernel.org/show_bug.cgi?id=11321\n\next4 creates per-suberblock directory in /proc/ext4/ . Name used as basis\nis taken from bdevname, which, surprise, can contain slash.\n\nHowever, proc while allowing to use proc_create(\"a/b\", parent) form of\nPDE creation, assumes that parent/a was already created.\n\nbdevname in question is 'cciss/c0d0p9', directory is not created and all\nthis stuff goes directly into /proc (which is real bug).\n\nWarning comes when _second_ partition is mounted.\n\nSigned-off-by: Alexey Dobriyan <adobriyan@gmail.com>\nReported-by: Ralf Hildebrandt <ralf.hildebrandt@charite.de>\nTested-by: Ralf Hildebrandt <ralf.hildebrandt@charite.de>\nCc: Andreas Dilger <adilger@sun.com>\nCc: Theodore Ts'o <tytso@mit.edu>\nSigned-off-by: Andrew Morton <akpm@linux-foundation.org>\n---\n\n fs/ext4/mballoc.c | 9 +++++++++\n 1 file changed, 9 insertions(+)", "diff": "diff -puN fs/ext4/mballoc.c~ext4-fix-11321-create-proc-ext4-stats-et-al-more-carefully fs/ext4/mballoc.c\n--- a/fs/ext4/mballoc.c~ext4-fix-11321-create-proc-ext4-stats-et-al-more-carefully\n+++ a/fs/ext4/mballoc.c\n@@ -2792,6 +2792,15 @@ static int ext4_mb_init_per_dev_proc(str\n \t\treturn -EINVAL;\n \t}\n \tbdevname(sb->s_bdev, devname);\n+\t{\n+\t\tchar *p = devname;\n+\n+\t\twhile (*p != '\\0') {\n+\t\t\tif (*p == '/')\n+\t\t\t\t*p = '!';\n+\t\t\tp++;\n+\t\t}\n+\t}\n \tsbi->s_mb_proc = proc_mkdir(devname, proc_root_ext4);\n \n \tMB_PROC_HANDLER(EXT4_MB_STATS_NAME, stats);\n", "prefixes": [ "for", "2.6.27?", "1/1" ] }