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| author | Chris Mason <chris.mason@oracle.com> | 2008-10-16 10:12:58 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-10-16 10:12:58 -0400 |
| commit | 26ce34a9c47334ff7984769e4661b2f1883594ff (patch) | |
| tree | fbc1da082a0b9f4adc7a2560811bbd6e6c47e420 /fs/btrfs/ioctl.h | |
| parent | 3fa8749e584b55f1180411ab1b51117190bac1e5 (diff) | |
| parent | 37d3cdddf5378606f6eab99982ca16819745d8f4 (diff) | |
Merge branch 'master' of ssh://mason@master.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
Diffstat (limited to 'fs/btrfs/ioctl.h')
| -rw-r--r-- | fs/btrfs/ioctl.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h new file mode 100644 index 000000000000..85ed35a775b1 --- /dev/null +++ b/fs/btrfs/ioctl.h @@ -0,0 +1,55 @@ +/* + * Copyright (C) 2007 Oracle. 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 v2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will 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 to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 021110-1307, USA. + */ + +#ifndef __IOCTL_ +#define __IOCTL_ +#include <linux/ioctl.h> + +#define BTRFS_IOCTL_MAGIC 0x94 +#define BTRFS_VOL_NAME_MAX 255 +#define BTRFS_PATH_NAME_MAX 4095 + +struct btrfs_ioctl_vol_args { + char name[BTRFS_PATH_NAME_MAX + 1]; +}; + +#define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ + struct btrfs_ioctl_vol_args) +#define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ + struct btrfs_ioctl_vol_args) +#define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ + struct btrfs_ioctl_vol_args) +#define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ + struct btrfs_ioctl_vol_args) +/* trans start and trans end are dangerous, and only for + * use by applications that know how to avoid the + * resulting deadlocks + */ +#define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) +#define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) +#define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) + +#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) +#define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ + struct btrfs_ioctl_vol_args) +#define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ + struct btrfs_ioctl_vol_args) +#define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ + struct btrfs_ioctl_vol_args) + +#endif |