diff options
| author | Dean Deng <deandeng@google.com> | 2020-06-19 11:48:24 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-06-19 11:50:09 -0700 |
| commit | 7db196c4dbb33562dbfaa28a9476c590f356b2b5 (patch) | |
| tree | 43f701b5d5bceecfc8499e7a82c8c210b27a82d1 /pkg/abi/linux | |
| parent | d962f9f3842c5c352bc61411cf27e38ba2219317 (diff) | |
Port fadvise64 to vfs2.
Like vfs1, we have a trivial implementation that ignores all valid advice.
Updates #2923.
PiperOrigin-RevId: 317349505
Diffstat (limited to 'pkg/abi/linux')
| -rw-r--r-- | pkg/abi/linux/BUILD | 1 | ||||
| -rw-r--r-- | pkg/abi/linux/fadvise.go | 24 |
2 files changed, 25 insertions, 0 deletions
diff --git a/pkg/abi/linux/BUILD b/pkg/abi/linux/BUILD index 114b516e2..2b789c4ec 100644 --- a/pkg/abi/linux/BUILD +++ b/pkg/abi/linux/BUILD @@ -23,6 +23,7 @@ go_library( "errors.go", "eventfd.go", "exec.go", + "fadvise.go", "fcntl.go", "file.go", "file_amd64.go", diff --git a/pkg/abi/linux/fadvise.go b/pkg/abi/linux/fadvise.go new file mode 100644 index 000000000..b06ff9964 --- /dev/null +++ b/pkg/abi/linux/fadvise.go @@ -0,0 +1,24 @@ +// Copyright 2020 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 + +const ( + POSIX_FADV_NORMAL = 0 + POSIX_FADV_RANDOM = 1 + POSIX_FADV_SEQUENTIAL = 2 + POSIX_FADV_WILLNEED = 3 + POSIX_FADV_DONTNEED = 4 + POSIX_FADV_NOREUSE = 5 +) |