2007-06-12 06:07:21 -07:00
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/*
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* Copyright (C) 2007 Oracle. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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2007-04-10 06:27:04 -07:00
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#ifndef __IOCTL_
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#define __IOCTL_
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#include <linux/ioctl.h>
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#define BTRFS_IOCTL_MAGIC 0x94
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#define BTRFS_VOL_NAME_MAX 255
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2009-01-16 09:59:08 -07:00
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#define BTRFS_PATH_NAME_MAX 4087
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2008-03-24 12:02:07 -07:00
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2009-01-16 09:59:08 -07:00
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/* this should be 4k */
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2007-04-10 06:27:04 -07:00
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struct btrfs_ioctl_vol_args {
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2008-11-17 19:02:50 -07:00
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__s64 fd;
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2008-03-24 12:02:07 -07:00
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char name[BTRFS_PATH_NAME_MAX + 1];
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2007-04-10 06:27:04 -07:00
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};
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2009-01-16 09:59:08 -07:00
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struct btrfs_ioctl_clone_range_args {
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__s64 src_fd;
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__u64 src_offset, src_length;
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__u64 dest_offset;
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};
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2007-04-10 06:27:04 -07:00
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#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
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struct btrfs_ioctl_vol_args)
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2007-08-07 13:15:09 -07:00
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#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
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2007-04-12 07:43:05 -07:00
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struct btrfs_ioctl_vol_args)
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2007-12-21 14:27:24 -07:00
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#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \
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struct btrfs_ioctl_vol_args)
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2008-03-24 12:02:07 -07:00
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#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \
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struct btrfs_ioctl_vol_args)
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2008-06-10 07:07:39 -07:00
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/* trans start and trans end are dangerous, and only for
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* use by applications that know how to avoid the
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* resulting deadlocks
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*/
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#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6)
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#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7)
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#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8)
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2008-05-02 11:43:14 -07:00
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#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
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2008-04-28 12:29:42 -07:00
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#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \
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struct btrfs_ioctl_vol_args)
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#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \
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struct btrfs_ioctl_vol_args)
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#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \
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struct btrfs_ioctl_vol_args)
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2008-11-12 12:32:25 -07:00
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#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
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struct btrfs_ioctl_clone_range_args)
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2008-11-17 19:02:50 -07:00
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#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
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struct btrfs_ioctl_vol_args)
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2009-09-21 13:00:26 -07:00
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#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
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struct btrfs_ioctl_vol_args)
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2007-04-10 06:27:04 -07:00
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#endif
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