{"id":2234913,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2234913/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260508093428.5814-2-liubaolin12138@163.com/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.2/projects/8/?format=json","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":"<20260508093428.5814-2-liubaolin12138@163.com>","list_archive_url":null,"date":"2026-05-08T09:34:26","name":"[v4,v4,1/3] ext4: add blocks_allocated to mb_stats output","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"9e211f6695cf400a3b5b0eeb1a749d2521e72b3a","submitter":{"id":89479,"url":"http://patchwork.ozlabs.org/api/1.2/people/89479/?format=json","name":"liubaolin","email":"liubaolin12138@163.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260508093428.5814-2-liubaolin12138@163.com/mbox/","series":[{"id":503354,"url":"http://patchwork.ozlabs.org/api/1.2/series/503354/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=503354","date":"2026-05-08T09:34:26","name":"ext4: improve mballoc statistics reporting and control","version":4,"mbox":"http://patchwork.ozlabs.org/series/503354/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2234913/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2234913/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=163.com header.i=@163.com header.a=rsa-sha256\n header.s=s110527 header.b=F8rz2NEs;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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arc=none smtp.client-ip=117.135.210.2"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com;\n\ts=s110527; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=45\n\tc6wya7N0PUbeskGcHwwrqhFeuHXefamz6GyNQYArQ=; b=F8rz2NEsJ4GrLXqxx3\n\t06QVrnvyywfCS4xk0U7XYAh/80JxTseBEv6xbtaxh50Sd41KH2PAbv+snFkviFLg\n\t9dhjQ7PSJOW7KBhk82YOPJl+1EtHNqEwOHiJ48OLdWHj7pPUNT4sFCGIFP+FVujH\n\tRD5lBzTmVCZgbB4ziJXBBix6o=","From":"Baolin Liu ","To":"tytso@mit.edu,\n\tadilger.kernel@dilger.ca,\n\tlibaokun@linux.alibaba.com","Cc":"ojaswin@linux.ibm.com,\n\tritesh.list@gmail.com,\n\tyi.zhang@huawei.com,\n\tlinux-ext4@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\twangguanyu@vivo.com,\n\tadilger@dilger.ca,\n\tliubaolin12138@163.com,\n\tBaolin Liu ","Subject":"[PATCH v4 v4 1/3] ext4: add blocks_allocated to mb_stats output","Date":"Fri, 8 May 2026 17:34:26 +0800","Message-ID":"<20260508093428.5814-2-liubaolin12138@163.com>","X-Mailer":"git-send-email 2.51.0","In-Reply-To":"<20260508093428.5814-1-liubaolin12138@163.com>","References":"<20260508093428.5814-1-liubaolin12138@163.com>","Precedence":"bulk","X-Mailing-List":"linux-ext4@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"PSgvCgDXeCEprv1pUW9wDg--.60442S3","X-Coremail-Antispam":"1Uf129KBjvdXoWrtr1Utr4xurW8GFykAryxKrg_yoWkGrX_Ka\n\t40yr18ur45Jr4xuF18AFsa9rZ0k3W0vFn8W3sxJrZ3Wa4DW3y8ta98Ar4rXr1xGr42krW5\n\tA3Z3Wry8JryvvjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT\n\t9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sR_QzV7UUUUU==","X-CM-SenderInfo":"xolxutxrol0iasrtmqqrwthudrp/xtbCwR2UX2n9rj07fwAA3U","X-Spam-Status":"No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tFREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY\n\tautolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"From: Baolin Liu \n\nAdd blocks_allocated to /proc/fs/ext4//mb_stats so that the\nreported statistics match the mballoc summary printed at unmount time.\n\nReviewed-by: Ojaswin Mujoo \nReviewed-by: Andreas Dilger \nReviewed-by: Ritesh Harjani (IBM) \nReviewed-by: Zhang Yi \nSigned-off-by: Baolin Liu \n---\n fs/ext4/mballoc.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c\nindex 20e9fdaf4301..1e13ef62cb9d 100644\n--- a/fs/ext4/mballoc.c\n+++ b/fs/ext4/mballoc.c\n@@ -3211,6 +3211,8 @@ int ext4_seq_mb_stats_show(struct seq_file *seq, void *offset)\n \t\t\t\"\\tTo enable, please write \\\"1\\\" to sysfs file mb_stats.\\n\");\n \t\treturn 0;\n \t}\n+\tseq_printf(seq, \"\\tblocks_allocated: %u\\n\",\n+\t\t atomic_read(&sbi->s_bal_allocated));\n \tseq_printf(seq, \"\\treqs: %u\\n\", atomic_read(&sbi->s_bal_reqs));\n \tseq_printf(seq, \"\\tsuccess: %u\\n\", atomic_read(&sbi->s_bal_success));\n \n","prefixes":["v4","v4","1/3"]}