]> git.ipfire.org Git - thirdparty/xfsprogs-dev.git/commitdiff
xfs_spaceman: space management tool
authorDave Chinner <dchinner@redhat.com>
Wed, 21 Jun 2017 22:14:30 +0000 (17:14 -0500)
committerEric Sandeen <sandeen@redhat.com>
Wed, 21 Jun 2017 22:14:30 +0000 (17:14 -0500)
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 <dchinner@redhat.com>
[darrick: change xfsctl to ioctl]
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Makefile
spaceman/Makefile [new file with mode: 0644]
spaceman/file.c [new file with mode: 0644]
spaceman/init.c [new file with mode: 0644]
spaceman/init.h [new file with mode: 0644]
spaceman/space.h [new file with mode: 0644]

index ba87327d83b7ea88759199208fd2864e43b0c8f8..72d0044126947090647bf6441c7cab96de714333 100644 (file)
--- 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 (file)
index 0000000..df59edf
--- /dev/null
@@ -0,0 +1,33 @@
+#
+# 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 (file)
index 0000000..beca5ba
--- /dev/null
@@ -0,0 +1,122 @@
+/*
+ * 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 <sys/mman.h>
+#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\n"), braces? '[' : ' ', index,
+                       braces? ']' : ' ', file->name);
+}
+
+static int
+print_f(
+       int             argc,
+       char            **argv)
+{
+       int             i;
+
+       for (i = 0; i < filecount; i++)
+               print_fileio(&filetable[i], i, &filetable[i] == file);
+       return 0;
+}
+
+int
+openfile(
+       char            *path,
+       xfs_fsop_geom_t *geom)
+{
+       int             fd;
+
+       fd = open(path, 0);
+       if (fd < 0) {
+               perror(path);
+               return -1;
+       }
+
+       if (ioctl(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)
+{
+       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->name = filename;
+       file->geom = *geometry;
+       return 0;
+}
+
+void
+print_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 (file)
index 0000000..8cbfbda
--- /dev/null
@@ -0,0 +1,113 @@
+/*
+ * 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)
+{
+       print_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;
+       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 - 1)
+               usage();
+
+       if ((c = openfile(argv[optind], &geometry)) < 0)
+               exit(1);
+       if (!platform_test_xfs_fd(c))
+               printf(_("Not an XFS filesystem!\n"));
+       if (addfile(argv[optind], c, &geometry) < 0)
+               exit(1);
+
+       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 (file)
index 0000000..e9c25be
--- /dev/null
@@ -0,0 +1,24 @@
+/*
+ * 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
+ */
+#ifndef XFS_SPACEMAN_INIT_H_
+#define XFS_SPACEMAN_INIT_H_
+
+extern char    *progname;
+extern int     exitcode;
+
+#endif /* XFS_SPACEMAN_INIT_H_ */
diff --git a/spaceman/space.h b/spaceman/space.h
new file mode 100644 (file)
index 0000000..7bfe874
--- /dev/null
@@ -0,0 +1,38 @@
+/*
+ * 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
+ */
+#ifndef XFS_SPACEMAN_SPACE_H_
+#define XFS_SPACEMAN_SPACE_H_
+
+typedef struct fileio {
+       xfs_fsop_geom_t geom;           /* XFS filesystem geometry */
+       char            *name;          /* file name at time of open */
+       int             fd;             /* open file descriptor */
+} 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     openfile(char *, xfs_fsop_geom_t *);
+extern int     addfile(char *, int , xfs_fsop_geom_t *);
+
+extern void    print_init(void);
+extern void    help_init(void);
+extern void    quit_init(void);
+
+#endif /* XFS_SPACEMAN_SPACE_H_ */