]> bbs.cooldavid.org Git - net-next-2.6.git/blame - fs/btrfs/ioctl.h
Btrfs: Fixes for 2.6.18 enterprise kernels
[net-next-2.6.git] / fs / btrfs / ioctl.h
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1/*
2 * Copyright (C) 2007 Oracle. All rights reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public
6 * License v2 as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public
14 * License along with this program; if not, write to the
15 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 * Boston, MA 021110-1307, USA.
17 */
18
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19#ifndef __IOCTL_
20#define __IOCTL_
21#include <linux/ioctl.h>
22
23#define BTRFS_IOCTL_MAGIC 0x94
24#define BTRFS_VOL_NAME_MAX 255
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25#define BTRFS_PATH_NAME_MAX 4095
26
c5739bba 27struct btrfs_ioctl_vol_args {
8a4b83cc 28 char name[BTRFS_PATH_NAME_MAX + 1];
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29};
30
31#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
32 struct btrfs_ioctl_vol_args)
6702ed49 33#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
8352d8a4 34 struct btrfs_ioctl_vol_args)
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35#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
36 struct btrfs_ioctl_vol_args)
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37#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
38 struct btrfs_ioctl_vol_args)
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39#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
40 struct btrfs_ioctl_vol_args)
41#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
42 struct btrfs_ioctl_vol_args)
43#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
44 struct btrfs_ioctl_vol_args)
c5739bba 45#endif