From patchwork Fri Nov 2 10:15:38 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goffredo Baroncelli X-Patchwork-Id: 1687811 Return-Path: X-Original-To: patchwork-linux-btrfs@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 5EA47DFE7E for ; Fri, 2 Nov 2012 10:15:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934624Ab2KBKPJ (ORCPT ); Fri, 2 Nov 2012 06:15:09 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:38078 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934501Ab2KBKPG (ORCPT ); Fri, 2 Nov 2012 06:15:06 -0400 Received: by mail-ee0-f46.google.com with SMTP id b15so1719924eek.19 for ; Fri, 02 Nov 2012 03:15:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=xcVF1i3hbFw8yCItq10cGVIIe9QlW56PIo3Qa+NGiZ4=; b=hXsictWMje6Y+oKpyxRaVx9GVedyR52Bpj2DHUbsX2IzAZ7J6Z2wXFuI0iGbsyciWS jTy5oDbjJF67TzFxweLoyUNzginx1+MQ1o+JyYrw4g33HPzUmtdXLIJElzf1O6xaCtYA wzelmWRHNPBBiNzM+4ADf9ZjAnt8PP6/KmDWrm5d6+B8uSsjIq+h34eLHHcbplJzqgnQ 6DDqExH36AoQ6YBkxSj5cczK0bRQAAnUMZkOFVII9T64lTrwDTxtSQv3ZKz+vqwiFz4o oeVKAX0A6ExAiEJl6qd0XcEKZxnja3a9NPcp9jvmGjM0ExEmNP6syfKyIv1t2j/DqcJz yWFg== Received: by 10.14.174.194 with SMTP id x42mr5042616eel.22.1351851306095; Fri, 02 Nov 2012 03:15:06 -0700 (PDT) Received: from venice..bhome (host103-133-static.242-95-b.business.telecomitalia.it. [95.242.133.103]) by mx.google.com with ESMTPS id z43sm21873483een.16.2012.11.02.03.15.04 (version=SSLv3 cipher=OTHER); Fri, 02 Nov 2012 03:15:05 -0700 (PDT) From: Goffredo Baroncelli To: linux-btrfs@vger.kernel.org Cc: Hugo Mills , Michael =?utf-8?q?Kj=C3=B6rling?= , Martin Steigerwald , cwillu , Chris Murphy , Goffredo Baroncelli Subject: [PATCH 7/8] Add btrfs device disk-usage command Date: Fri, 2 Nov 2012 11:15:38 +0100 Message-Id: <1351851339-19150-8-git-send-email-kreijack@inwind.it> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1351851339-19150-1-git-send-email-kreijack@inwind.it> References: <1351851339-19150-1-git-send-email-kreijack@inwind.it> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Goffredo Baroncelli Signed-off-by: Goffredo Baroncelli --- cmds-device.c | 3 ++ cmds-fi-disk_usage.c | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++ cmds-fi-disk_usage.h | 4 ++ 3 files changed, 147 insertions(+) diff --git a/cmds-device.c b/cmds-device.c index 4787aca..873c39c 100644 --- a/cmds-device.c +++ b/cmds-device.c @@ -27,6 +27,7 @@ #include "ctree.h" #include "ioctl.h" #include "utils.h" +#include "cmds-fi-disk_usage.h" #include "commands.h" @@ -255,6 +256,8 @@ const struct cmd_group device_cmd_group = { { "add", cmd_add_dev, cmd_add_dev_usage, NULL, 0 }, { "delete", cmd_rm_dev, cmd_rm_dev_usage, NULL, 0 }, { "scan", cmd_scan_dev, cmd_scan_dev_usage, NULL, 0 }, + { "disk-usage", cmd_device_disk_usage, + cmd_device_disk_usage_usage, NULL, 0 }, { 0, 0, 0, 0, 0 } } }; diff --git a/cmds-fi-disk_usage.c b/cmds-fi-disk_usage.c index 4bec167..0c8af9d 100644 --- a/cmds-fi-disk_usage.c +++ b/cmds-fi-disk_usage.c @@ -989,4 +989,144 @@ int cmd_filesystem_disk_usage(int argc, char **argv) return 0; } +static void print_disk_chunks(int fd, + u64 devid, + u64 total_size, + struct chunk_info *chunks_info_ptr, + int chunks_info_count, + int mode) +{ + int i; + u64 allocated = 0; + char *s; + + for (i = 0 ; i < chunks_info_count ; i++) { + char *description = ""; + char *r_mode; + u64 flags; + + if (chunks_info_ptr[i].devid != devid) + continue; + + flags = chunks_info_ptr[i].type; + + btrfs_flags2description(flags, &description); + btrfs_flags2profile(flags, &r_mode); + + s = df_pretty_sizes(chunks_info_ptr[i].size, mode); + printf(" %s,%s:%*s%10s\n", + description, + r_mode, + (int)(20 - strlen(description) - strlen(r_mode)), "", + s); + + allocated += chunks_info_ptr[i].size; + + } + s = df_pretty_sizes(total_size - allocated, mode); + printf(" Unallocated: %*s%10s\n", + (int)(20 - strlen("Unallocated")), "", + s); + +} + +static int _cmd_device_disk_usage(int fd, char *path, int mode) +{ + int i; + int ret = 0; + int info_count = 0; + struct chunk_info *info_ptr = 0; + struct disk_info *disks_info_ptr = 0; + int disks_info_count = 0; + + if (load_chunk_info(fd, &info_ptr, &info_count) || + load_disks_info(fd, &disks_info_ptr, &disks_info_count)) { + ret = -1; + goto exit; + } + + for (i = 0 ; i < disks_info_count ; i++) { + char *s; + + s = df_pretty_sizes(disks_info_ptr[i].size, mode); + printf("%s\t%10s\n", disks_info_ptr[i].path, s); + + print_disk_chunks(fd, disks_info_ptr[i].devid, + disks_info_ptr[i].size, + info_ptr, info_count, + mode); + printf("\n"); + + } + + +exit: + + free_strings_to_free(); + if (disks_info_ptr) + free(disks_info_ptr); + if (info_ptr) + free(info_ptr); + + return ret; +} + +const char * const cmd_device_disk_usage_usage[] = { + "btrfs device disk-usage [-b] [..]", + "Show which chunks are in a device.", + "", + "-b\tSet byte as unit", + NULL +}; + +int cmd_device_disk_usage(int argc, char **argv) +{ + + int flags = DF_HUMAN_UNIT; + int i, more_than_one = 0; + + optind = 1; + while (1) { + char c = getopt(argc, argv, "b"); + + if (c < 0) + break; + + switch (c) { + case 'b': + flags &= ~DF_HUMAN_UNIT; + break; + default: + usage(cmd_device_disk_usage_usage); + } + } + + if (check_argc_min(argc - optind, 1)) { + usage(cmd_device_disk_usage_usage); + return 21; + } + + for (i = optind; i < argc ; i++) { + int r, fd; + if (more_than_one) + printf("\n"); + + fd = open_file_or_dir(argv[i]); + if (fd < 0) { + fprintf(stderr, "ERROR: can't access to '%s'\n", + argv[1]); + return 12; + } + r = _cmd_device_disk_usage(fd, argv[i], flags); + close(fd); + + if (r) + return r; + more_than_one = 1; + + } + + return 0; +} + diff --git a/cmds-fi-disk_usage.h b/cmds-fi-disk_usage.h index ae11570..c315004 100644 --- a/cmds-fi-disk_usage.h +++ b/cmds-fi-disk_usage.h @@ -21,7 +21,11 @@ extern const char * const cmd_filesystem_df_usage[]; int cmd_filesystem_df(int argc, char **argv); + extern const char * const cmd_filesystem_disk_usage_usage[]; int cmd_filesystem_disk_usage(int argc, char **argv); +extern const char * const cmd_device_disk_usage_usage[]; +int cmd_device_disk_usage(int argc, char **argv); + #endif