1
/* -*- mode: c; c-basic-offset: 8; -*-
2
* vim: noexpandtab sw=8 ts=8 sts=0:
6
* Defines OCFS2 ioctls.
8
* Copyright (C) 2010 Oracle. All rights reserved.
10
* This program is free software; you can redistribute it and/or
11
* modify it under the terms of the GNU General Public
12
* License, version 2, as published by the Free Software Foundation.
14
* This program is distributed in the hope that it will be useful,
15
* but WITHOUT ANY WARRANTY; without even the implied warranty of
16
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17
* General Public License for more details.
26
#define OCFS2_IOC_GETFLAGS _IOR('f', 1, long)
27
#define OCFS2_IOC_SETFLAGS _IOW('f', 2, long)
28
#define OCFS2_IOC32_GETFLAGS _IOR('f', 1, int)
29
#define OCFS2_IOC32_SETFLAGS _IOW('f', 2, int)
32
* Space reservation / allocation / free ioctls and argument structure
33
* are designed to be compatible with XFS.
35
* ALLOCSP* and FREESP* are not and will never be supported, but are
36
* included here for completeness.
38
struct ocfs2_space_resv {
42
__s64 l_len; /* len == 0 means until end of file */
45
__s32 l_pad[4]; /* reserve area */
48
#define OCFS2_IOC_ALLOCSP _IOW ('X', 10, struct ocfs2_space_resv)
49
#define OCFS2_IOC_FREESP _IOW ('X', 11, struct ocfs2_space_resv)
50
#define OCFS2_IOC_RESVSP _IOW ('X', 40, struct ocfs2_space_resv)
51
#define OCFS2_IOC_UNRESVSP _IOW ('X', 41, struct ocfs2_space_resv)
52
#define OCFS2_IOC_ALLOCSP64 _IOW ('X', 36, struct ocfs2_space_resv)
53
#define OCFS2_IOC_FREESP64 _IOW ('X', 37, struct ocfs2_space_resv)
54
#define OCFS2_IOC_RESVSP64 _IOW ('X', 42, struct ocfs2_space_resv)
55
#define OCFS2_IOC_UNRESVSP64 _IOW ('X', 43, struct ocfs2_space_resv)
57
/* Used to pass group descriptor data when online resize is done */
58
struct ocfs2_new_group_input {
59
__u64 group; /* Group descriptor's blkno. */
60
__u32 clusters; /* Total number of clusters in this group */
61
__u32 frees; /* Total free clusters in this group */
62
__u16 chain; /* Chain for this group */
67
#define OCFS2_IOC_GROUP_EXTEND _IOW('o', 1, int)
68
#define OCFS2_IOC_GROUP_ADD _IOW('o', 2,struct ocfs2_new_group_input)
69
#define OCFS2_IOC_GROUP_ADD64 _IOW('o', 3,struct ocfs2_new_group_input)
71
/* Used to pass 2 file names to reflink. */
72
struct reflink_arguments {
77
#define OCFS2_IOC_REFLINK _IOW('o', 4, struct reflink_arguments)
79
#endif /* OCFS2_IOCTL_H */