From patchwork Sat Jan 21 08:08:17 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Chinner X-Patchwork-Id: 9530037 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B4343600CA for ; Sat, 21 Jan 2017 08:08:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A280D2842E for ; Sat, 21 Jan 2017 08:08:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9759828620; Sat, 21 Jan 2017 08:08:25 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D08EA2842E for ; Sat, 21 Jan 2017 08:08:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751042AbdAUIIY (ORCPT ); Sat, 21 Jan 2017 03:08:24 -0500 Received: from userp1040.oracle.com ([156.151.31.81]:25911 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751039AbdAUIIX (ORCPT ); Sat, 21 Jan 2017 03:08:23 -0500 Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id v0L88JkI024053 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 21 Jan 2017 08:08:19 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id v0L88Jbp021085 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 21 Jan 2017 08:08:19 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id v0L88J2a008381; Sat, 21 Jan 2017 08:08:19 GMT Received: from localhost (/24.21.211.40) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 21 Jan 2017 00:08:18 -0800 Subject: [PATCH 02/17] xfsprogs: Space management tool From: Dave Chinner To: sandeen@redhat.com, darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org Date: Sat, 21 Jan 2017 00:08:17 -0800 Message-ID: <148498609772.16675.551393252011136759.stgit@birch.djwong.org> In-Reply-To: <148498608472.16675.14848042961636871812.stgit@birch.djwong.org> References: <148498608472.16675.14848042961636871812.stgit@birch.djwong.org> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Source-IP: userv0021.oracle.com [156.151.31.71] Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP xfs_spaceman is intended as a diagnostic and control tool for space management operations within XFS. Operations like examining free space, managing allocation policies, issuing block discards on free space, etc. The tool is modelled on the xfs_io interface, allowing both interactive and command line control of the tool, enabling it to be used in scripts and automated management tools. Signed-off-by: Dave Chinner --- Makefile | 3 + spaceman/Makefile | 34 ++++++++++++ spaceman/file.c | 149 +++++++++++++++++++++++++++++++++++++++++++++++++++++ spaceman/init.c | 119 ++++++++++++++++++++++++++++++++++++++++++ spaceman/init.h | 23 ++++++++ spaceman/space.h | 36 +++++++++++++ 6 files changed, 363 insertions(+), 1 deletion(-) create mode 100644 spaceman/Makefile create mode 100644 spaceman/file.c create mode 100644 spaceman/init.c create mode 100644 spaceman/init.h create mode 100644 spaceman/space.h -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/Makefile b/Makefile index 6e45733..3a4872a 100644 --- a/Makefile +++ b/Makefile @@ -47,7 +47,7 @@ HDR_SUBDIRS = include libxfs DLIB_SUBDIRS = libxlog libxcmd libhandle LIB_SUBDIRS = libxfs $(DLIB_SUBDIRS) TOOL_SUBDIRS = copy db estimate fsck growfs io logprint mkfs quota \ - mdrestore repair rtcp m4 man doc debian + mdrestore repair rtcp m4 man doc debian spaceman ifneq ("$(PKG_PLATFORM)","darwin") TOOL_SUBDIRS += fsr @@ -88,6 +88,7 @@ quota: libxcmd repair: libxlog libxcmd copy: libxlog mkfs: libxcmd +spaceman: libxcmd ifeq ($(HAVE_BUILDDEFS), yes) include $(BUILDRULES) diff --git a/spaceman/Makefile b/spaceman/Makefile new file mode 100644 index 0000000..ff8d23e --- /dev/null +++ b/spaceman/Makefile @@ -0,0 +1,34 @@ +# +# Copyright (c) 2012 Red Hat, Inc. All Rights Reserved. +# + +TOPDIR = .. +include $(TOPDIR)/include/builddefs + +LTCOMMAND = xfs_spaceman +HFILES = init.h space.h +CFILES = init.c \ + file.c + +LLDLIBS = $(LIBXCMD) +LTDEPENDENCIES = $(LIBXCMD) +LLDFLAGS = -static + +ifeq ($(ENABLE_READLINE),yes) +LLDLIBS += $(LIBREADLINE) $(LIBTERMCAP) +endif + +ifeq ($(ENABLE_EDITLINE),yes) +LLDLIBS += $(LIBEDITLINE) $(LIBTERMCAP) +endif + +default: depend $(LTCOMMAND) + +include $(BUILDRULES) + +install: default + $(INSTALL) -m 755 -d $(PKG_SBIN_DIR) + $(LTINSTALL) -m 755 $(LTCOMMAND) $(PKG_SBIN_DIR) +install-dev: + +-include .dep diff --git a/spaceman/file.c b/spaceman/file.c new file mode 100644 index 0000000..d7ab05b --- /dev/null +++ b/spaceman/file.c @@ -0,0 +1,149 @@ +/* + * Copyright (c) 2004-2005 Silicon Graphics, Inc. + * Copyright (c) 2012 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libxfs.h" +#include +#include "command.h" +#include "input.h" +#include "init.h" +#include "space.h" + +static cmdinfo_t print_cmd; + +fileio_t *filetable; +int filecount; +fileio_t *file; + +static void +print_fileio( + fileio_t *file, + int index, + int braces) +{ + printf(_("%c%03d%c %-14s (%s,%s,%s%s%s)\n"), + braces? '[' : ' ', index, braces? ']' : ' ', file->name, + file->flags & O_SYNC ? _("sync") : _("non-sync"), + file->flags & O_DIRECT ? _("direct") : _("non-direct"), + file->flags & O_RDONLY ? _("read-only") : _("read-write"), + file->flags & O_APPEND ? _(",append-only") : "", + file->flags & O_NONBLOCK ? _(",non-block") : ""); +} + +int +filelist_f(void) +{ + int i; + + for (i = 0; i < filecount; i++) + print_fileio(&filetable[i], i, &filetable[i] == file); + return 0; +} + +static int +print_f( + int argc, + char **argv) +{ + filelist_f(); + return 0; +} + +int +openfile( + char *path, + xfs_fsop_geom_t *geom, + int flags, + mode_t mode) +{ + int fd; + + fd = open(path, flags, mode); + if (fd < 0) { + if ((errno == EISDIR) && (flags & O_RDWR)) { + /* make it as if we asked for O_RDONLY & try again */ + flags &= ~O_RDWR; + flags |= O_RDONLY; + fd = open(path, flags, mode); + if (fd < 0) { + perror(path); + return -1; + } + } else { + perror(path); + return -1; + } + } + + if (xfsctl(path, fd, XFS_IOC_FSGEOMETRY, geom) < 0) { + perror("XFS_IOC_FSGEOMETRY"); + close(fd); + return -1; + } + return fd; +} + +int +addfile( + char *name, + int fd, + xfs_fsop_geom_t *geometry, + int flags) +{ + char *filename; + + filename = strdup(name); + if (!filename) { + perror("strdup"); + close(fd); + return -1; + } + + /* Extend the table of currently open files */ + filetable = (fileio_t *)realloc(filetable, /* growing */ + ++filecount * sizeof(fileio_t)); + if (!filetable) { + perror("realloc"); + filecount = 0; + free(filename); + close(fd); + return -1; + } + + /* Finally, make this the new active open file */ + file = &filetable[filecount - 1]; + file->fd = fd; + file->flags = flags; + file->name = filename; + file->geom = *geometry; + return 0; +} + +void +file_init(void) +{ + print_cmd.name = "print"; + print_cmd.altname = "p"; + print_cmd.cfunc = print_f; + print_cmd.argmin = 0; + print_cmd.argmax = 0; + print_cmd.flags = CMD_FLAG_ONESHOT; + print_cmd.oneline = _("list current open files"); + + add_command(&print_cmd); +} diff --git a/spaceman/init.c b/spaceman/init.c new file mode 100644 index 0000000..ebe3b5a --- /dev/null +++ b/spaceman/init.c @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2012 Red Hat, Inc + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libxfs.h" +#include "command.h" +#include "input.h" +#include "init.h" +#include "space.h" + +char *progname; +int exitcode; + +void +usage(void) +{ + fprintf(stderr, + _("Usage: %s [-c cmd] file\n"), + progname); + exit(1); +} + +static void +init_commands(void) +{ + file_init(); + help_init(); + quit_init(); +} + +static int +init_args_command( + int index) +{ + if (index >= filecount) + return 0; + file = &filetable[index++]; + return index; +} + +static int +init_check_command( + const cmdinfo_t *ct) +{ + if (!(ct->flags & CMD_FLAG_ONESHOT)) + return 0; + return 1; +} + +void +init( + int argc, + char **argv) +{ + int c, flags = 0; + mode_t mode = 0600; + xfs_fsop_geom_t geometry = { 0 }; + + progname = basename(argv[0]); + setlocale(LC_ALL, ""); + bindtextdomain(PACKAGE, LOCALEDIR); + textdomain(PACKAGE); + + while ((c = getopt(argc, argv, "c:V")) != EOF) { + switch (c) { + case 'c': + add_user_command(optarg); + break; + case 'V': + printf(_("%s version %s\n"), progname, VERSION); + exit(0); + default: + usage(); + } + } + + if (optind == argc) + usage(); + + while (optind < argc) { + if ((c = openfile(argv[optind], &geometry, flags, mode)) < 0) + exit(1); + if (!platform_test_xfs_fd(c)) { + printf(_("Not an XFS filesystem!\n")); + exit(1); + } + if (addfile(argv[optind], c, &geometry, flags) < 0) + exit(1); + optind++; + } + + init_commands(); + add_command_iterator(init_args_command); + add_check_command(init_check_command); +} + +int +main( + int argc, + char **argv) +{ + init(argc, argv); + command_loop(); + return exitcode; +} diff --git a/spaceman/init.h b/spaceman/init.h new file mode 100644 index 0000000..165e4f5 --- /dev/null +++ b/spaceman/init.h @@ -0,0 +1,23 @@ +/* + * Copyright (c) 2012 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +extern char *progname; +extern int exitcode; + +#define min(a,b) (((a)<(b))?(a):(b)) +#define max(a,b) (((a)>(b))?(a):(b)) diff --git a/spaceman/space.h b/spaceman/space.h new file mode 100644 index 0000000..6e1bc52 --- /dev/null +++ b/spaceman/space.h @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2012 Red Hat, Inc. + * All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +typedef struct fileio { + int fd; /* open file descriptor */ + int flags; /* flags describing file state */ + char *name; /* file name at time of open */ + xfs_fsop_geom_t geom; /* XFS filesystem geometry */ +} fileio_t; + +extern fileio_t *filetable; /* open file table */ +extern int filecount; /* number of open files */ +extern fileio_t *file; /* active file in file table */ +extern int filelist_f(void); + +extern int openfile(char *, xfs_fsop_geom_t *, int, mode_t); +extern int addfile(char *, int , xfs_fsop_geom_t *, int); + +extern void file_init(void); +extern void help_init(void); +extern void quit_init(void);