blob: 549e0fb930171870acaafb6255f6ebf7fde6c32a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linux
// Filesystem types used in statfs(2).
//
// See linux/magic.h.
const (
ANON_INODE_FS_MAGIC = 0x09041934
DEVPTS_SUPER_MAGIC = 0x00001cd1
EXT_SUPER_MAGIC = 0xef53
OVERLAYFS_SUPER_MAGIC = 0x794c7630
PIPEFS_MAGIC = 0x50495045
PROC_SUPER_MAGIC = 0x9fa0
RAMFS_MAGIC = 0x09041934
SOCKFS_MAGIC = 0x534F434B
SYSFS_MAGIC = 0x62656572
TMPFS_MAGIC = 0x01021994
V9FS_MAGIC = 0x01021997
)
// Filesystem path limits, from uapi/linux/limits.h.
const (
NAME_MAX = 255
PATH_MAX = 4096
)
// Statfs is struct statfs, from uapi/asm-generic/statfs.h.
type Statfs struct {
// Type is one of the filesystem magic values, defined above.
Type uint64
// BlockSize is the data block size.
BlockSize int64
// Blocks is the number of data blocks in use.
Blocks uint64
// BlocksFree is the number of free blocks.
BlocksFree uint64
// BlocksAvailable is the number of blocks free for use by
// unprivileged users.
BlocksAvailable uint64
// Files is the number of used file nodes on the filesystem.
Files uint64
// FileFress is the number of free file nodes on the filesystem.
FilesFree uint64
// FSID is the filesystem ID.
FSID [2]int32
// NameLength is the maximum file name length.
NameLength uint64
// FragmentSize is equivalent to BlockSize.
FragmentSize int64
// Flags is the set of filesystem mount flags.
Flags uint64
// Spare is unused.
Spare [4]uint64
}
// Sync_file_range flags, from include/uapi/linux/fs.h
const (
SYNC_FILE_RANGE_WAIT_BEFORE = 1
SYNC_FILE_RANGE_WRITE = 2
SYNC_FILE_RANGE_WAIT_AFTER = 4
)
|
