* You can also override this by setting the
* "LIBGUESTFS_QEMU" environment variable.
*
- * The string "qemu" is stashed in the libguestfs handle,
- * so the caller must make sure it remains valid for the
- * lifetime of the handle.
- *
* Setting "qemu" to "NULL" restores the default qemu
* binary.
*
* The default is "$libdir/guestfs" unless overridden by
* setting "LIBGUESTFS_PATH" environment variable.
*
- * The string "path" is stashed in the libguestfs handle,
- * so the caller must make sure it remains valid for the
- * lifetime of the handle.
- *
* Setting "path" to "NULL" restores the default path.
*
* @throws LibGuestFSException
* The default is "NULL" unless overridden by setting
* "LIBGUESTFS_APPEND" environment variable.
*
- * The string "append" is stashed in the libguestfs handle,
- * so the caller must make sure it remains valid for the
- * lifetime of the handle.
- *
* Setting "append" to "NULL" means *no* additional options
* are passed (libguestfs always adds a few of its own).
*
* you would pass "lines" as a single element list, when
* the single element being the string "," (comma).
*
+ * See also: "g.sfdisk_l", "g.sfdisk_N"
+ *
* This command is dangerous. Without careful use you can
* easily destroy all your data.
*
private native String _hexdump (long g, String path)
throws LibGuestFSException;
+ /**
+ * zero unused inodes and disk blocks on ext2/3 filesystem
+ *
+ * This runs the *zerofree* program on "device". This
+ * program claims to zero unused inodes and disk blocks on
+ * an ext2/3 filesystem, thus making it possible to
+ * compress the filesystem more effectively.
+ *
+ * You should not run this program if the filesystem is
+ * mounted.
+ *
+ * It is possible that using this program can damage the
+ * filesystem or data on the filesystem.
+ *
+ * @throws LibGuestFSException
+ */
+ public void zerofree (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("zerofree: handle is closed");
+ _zerofree (g, device);
+ }
+ private native void _zerofree (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * resize an LVM physical volume
+ *
+ * This resizes (expands or shrinks) an existing LVM
+ * physical volume to match the new size of the underlying
+ * device.
+ *
+ * @throws LibGuestFSException
+ */
+ public void pvresize (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("pvresize: handle is closed");
+ _pvresize (g, device);
+ }
+ private native void _pvresize (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * modify a single partition on a block device
+ *
+ * This runs sfdisk(8) option to modify just the single
+ * partition "n" (note: "n" counts from 1).
+ *
+ * For other parameters, see "g.sfdisk". You should usually
+ * pass 0 for the cyls/heads/sectors parameters.
+ *
+ * This command is dangerous. Without careful use you can
+ * easily destroy all your data.
+ *
+ * @throws LibGuestFSException
+ */
+ public void sfdisk_N (String device, int n, int cyls, int heads, int sectors, String line)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("sfdisk_N: handle is closed");
+ _sfdisk_N (g, device, n, cyls, heads, sectors, line);
+ }
+ private native void _sfdisk_N (long g, String device, int n, int cyls, int heads, int sectors, String line)
+ throws LibGuestFSException;
+
+ /**
+ * display the partition table
+ *
+ * This displays the partition table on "device", in the
+ * human-readable output of the sfdisk(8) command. It is
+ * not intended to be parsed.
+ *
+ * @throws LibGuestFSException
+ */
+ public String sfdisk_l (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("sfdisk_l: handle is closed");
+ return _sfdisk_l (g, device);
+ }
+ private native String _sfdisk_l (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * display the kernel geometry
+ *
+ * This displays the kernel's idea of the geometry of
+ * "device".
+ *
+ * The result is in human-readable format, and not designed
+ * to be parsed.
+ *
+ * @throws LibGuestFSException
+ */
+ public String sfdisk_kernel_geometry (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("sfdisk_kernel_geometry: handle is closed");
+ return _sfdisk_kernel_geometry (g, device);
+ }
+ private native String _sfdisk_kernel_geometry (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * display the disk geometry from the partition table
+ *
+ * This displays the disk geometry of "device" read from
+ * the partition table. Especially in the case where the
+ * underlying block device has been resized, this can be
+ * different from the kernel's idea of the geometry (see
+ * "g.sfdisk_kernel_geometry").
+ *
+ * The result is in human-readable format, and not designed
+ * to be parsed.
+ *
+ * @throws LibGuestFSException
+ */
+ public String sfdisk_disk_geometry (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("sfdisk_disk_geometry: handle is closed");
+ return _sfdisk_disk_geometry (g, device);
+ }
+ private native String _sfdisk_disk_geometry (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * activate or deactivate all volume groups
+ *
+ * This command activates or (if "activate" is false)
+ * deactivates all logical volumes in all volume groups. If
+ * activated, then they are made known to the kernel, ie.
+ * they appear as "/dev/mapper" devices. If deactivated,
+ * then those devices disappear.
+ *
+ * This command is the same as running "vgchange -a y|n"
+ *
+ * @throws LibGuestFSException
+ */
+ public void vg_activate_all (boolean activate)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("vg_activate_all: handle is closed");
+ _vg_activate_all (g, activate);
+ }
+ private native void _vg_activate_all (long g, boolean activate)
+ throws LibGuestFSException;
+
+ /**
+ * activate or deactivate some volume groups
+ *
+ * This command activates or (if "activate" is false)
+ * deactivates all logical volumes in the listed volume
+ * groups "volgroups". If activated, then they are made
+ * known to the kernel, ie. they appear as "/dev/mapper"
+ * devices. If deactivated, then those devices disappear.
+ *
+ * This command is the same as running "vgchange -a y|n
+ * volgroups..."
+ *
+ * Note that if "volgroups" is an empty list then all
+ * volume groups are activated or deactivated.
+ *
+ * @throws LibGuestFSException
+ */
+ public void vg_activate (boolean activate, String[] volgroups)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("vg_activate: handle is closed");
+ _vg_activate (g, activate, volgroups);
+ }
+ private native void _vg_activate (long g, boolean activate, String[] volgroups)
+ throws LibGuestFSException;
+
+ /**
+ * resize an LVM logical volume
+ *
+ * This resizes (expands or shrinks) an existing LVM
+ * logical volume to "mbytes". When reducing, data in the
+ * reduced part is lost.
+ *
+ * @throws LibGuestFSException
+ */
+ public void lvresize (String device, int mbytes)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("lvresize: handle is closed");
+ _lvresize (g, device, mbytes);
+ }
+ private native void _lvresize (long g, String device, int mbytes)
+ throws LibGuestFSException;
+
+ /**
+ * resize an ext2/ext3 filesystem
+ *
+ * This resizes an ext2 or ext3 filesystem to match the
+ * size of the underlying device.
+ *
+ * *Note:* It is sometimes required that you run
+ * "g.e2fsck_f" on the "device" before calling this
+ * command. For unknown reasons "resize2fs" sometimes gives
+ * an error about this and sometimes not. In any case, it
+ * is always safe to call "g.e2fsck_f" before calling this
+ * function.
+ *
+ * @throws LibGuestFSException
+ */
+ public void resize2fs (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("resize2fs: handle is closed");
+ _resize2fs (g, device);
+ }
+ private native void _resize2fs (long g, String device)
+ throws LibGuestFSException;
+
+ /**
+ * find all files and directories
+ *
+ * This command lists out all files and directories,
+ * recursively, starting at "directory". It is essentially
+ * equivalent to running the shell command "find directory
+ * -print" but some post-processing happens on the output,
+ * described below.
+ *
+ * This returns a list of strings *without any prefix*.
+ * Thus if the directory structure was:
+ *
+ * /tmp/a
+ * /tmp/b
+ * /tmp/c/d
+ *
+ * then the returned list from "g.find" "/tmp" would be 4
+ * elements:
+ *
+ * a
+ * b
+ * c
+ * c/d
+ *
+ * If "directory" is not a directory, then this command
+ * returns an error.
+ *
+ * The returned list is sorted.
+ *
+ * @throws LibGuestFSException
+ */
+ public String[] find (String directory)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("find: handle is closed");
+ return _find (g, directory);
+ }
+ private native String[] _find (long g, String directory)
+ throws LibGuestFSException;
+
+ /**
+ * check an ext2/ext3 filesystem
+ *
+ * This runs "e2fsck -p -f device", ie. runs the ext2/ext3
+ * filesystem checker on "device", noninteractively ("-p"),
+ * even if the filesystem appears to be clean ("-f").
+ *
+ * This command is only needed because of "g.resize2fs"
+ * (q.v.). Normally you should use "g.fsck".
+ *
+ * @throws LibGuestFSException
+ */
+ public void e2fsck_f (String device)
+ throws LibGuestFSException
+ {
+ if (g == 0)
+ throw new LibGuestFSException ("e2fsck_f: handle is closed");
+ _e2fsck_f (g, device);
+ }
+ private native void _e2fsck_f (long g, String device)
+ throws LibGuestFSException;
+
}
git.annexia.org / libguestfs.git / blobdiff