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authorGoogler <noreply@google.com>2018-04-27 10:37:02 -0700
committerAdin Scannell <ascannell@google.com>2018-04-28 01:44:26 -0400
commitd02b74a5dcfed4bfc8f2f8e545bca4d2afabb296 (patch)
tree54f95eef73aee6bacbfc736fffc631be2605ed53 /pkg/abi/linux/fs.go
parentf70210e742919f40aa2f0934a22f1c9ba6dada62 (diff)
Check in gVisor.
PiperOrigin-RevId: 194583126 Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
Diffstat (limited to 'pkg/abi/linux/fs.go')
-rw-r--r--pkg/abi/linux/fs.go69
1 files changed, 69 insertions, 0 deletions
diff --git a/pkg/abi/linux/fs.go b/pkg/abi/linux/fs.go
new file mode 100644
index 000000000..00b239351
--- /dev/null
+++ b/pkg/abi/linux/fs.go
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+// Copyright 2018 Google Inc.
+//
+// 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
+ OVERLAYFS_SUPER_MAGIC = 0x794c7630
+ PIPEFS_MAGIC = 0x50495045
+ RAMFS_MAGIC = 0x09041934
+ SOCKFS_MAGIC = 0x534F434B
+ TMPFS_MAGIC = 0x01021994
+ V9FS_MAGIC = 0x01021997
+)
+
+// 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
+}