diff options
Diffstat (limited to 'fs/btrfs/ioctl.h')
-rw-r--r-- | fs/btrfs/ioctl.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h new file mode 100644 index 000000000000..78049ea208db --- /dev/null +++ b/fs/btrfs/ioctl.h | |||
@@ -0,0 +1,67 @@ | |||
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 | |||
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 | ||
25 | #define BTRFS_PATH_NAME_MAX 3072 | ||
26 | |||
27 | struct btrfs_ioctl_vol_args { | ||
28 | __s64 fd; | ||
29 | char name[BTRFS_PATH_NAME_MAX + 1]; | ||
30 | }; | ||
31 | |||
32 | #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ | ||
33 | struct btrfs_ioctl_vol_args) | ||
34 | #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \ | ||
35 | struct btrfs_ioctl_vol_args) | ||
36 | #define BTRFS_IOC_RESIZE _IOW(BTRFS_IOCTL_MAGIC, 3, \ | ||
37 | struct btrfs_ioctl_vol_args) | ||
38 | #define BTRFS_IOC_SCAN_DEV _IOW(BTRFS_IOCTL_MAGIC, 4, \ | ||
39 | struct btrfs_ioctl_vol_args) | ||
40 | /* trans start and trans end are dangerous, and only for | ||
41 | * use by applications that know how to avoid the | ||
42 | * resulting deadlocks | ||
43 | */ | ||
44 | #define BTRFS_IOC_TRANS_START _IO(BTRFS_IOCTL_MAGIC, 6) | ||
45 | #define BTRFS_IOC_TRANS_END _IO(BTRFS_IOCTL_MAGIC, 7) | ||
46 | #define BTRFS_IOC_SYNC _IO(BTRFS_IOCTL_MAGIC, 8) | ||
47 | |||
48 | #define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int) | ||
49 | #define BTRFS_IOC_ADD_DEV _IOW(BTRFS_IOCTL_MAGIC, 10, \ | ||
50 | struct btrfs_ioctl_vol_args) | ||
51 | #define BTRFS_IOC_RM_DEV _IOW(BTRFS_IOCTL_MAGIC, 11, \ | ||
52 | struct btrfs_ioctl_vol_args) | ||
53 | #define BTRFS_IOC_BALANCE _IOW(BTRFS_IOCTL_MAGIC, 12, \ | ||
54 | struct btrfs_ioctl_vol_args) | ||
55 | struct btrfs_ioctl_clone_range_args { | ||
56 | __s64 src_fd; | ||
57 | __u64 src_offset, src_length; | ||
58 | __u64 dest_offset; | ||
59 | }; | ||
60 | |||
61 | #define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \ | ||
62 | struct btrfs_ioctl_clone_range_args) | ||
63 | |||
64 | #define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \ | ||
65 | struct btrfs_ioctl_vol_args) | ||
66 | |||
67 | #endif | ||