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Reorganize mount/unmount code so it is easier to add Darwin-specific implementation

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After these changes, in order to add Darwin bind-mount implementation, one only needs:
* Adjust HasBindMounts definition in mount.go
* Provide implementation in mount_darwin.go

There was no consensus on adding dependency on bindfs, that seems to be the only working solution for bind-mounts on Darwin as of today, in https://github.com/containerd/containerd/pull/8789, that's why the actual implementation is not added in current PR.

As a bonus, Linux FUSE-related code was moved to a separate file and possibly could be reused on FreeBSD, though this needs testing.

Signed-off-by: Marat Radchenko <marat@slonopotamus.org>
This commit is contained in:
Marat Radchenko
2023-07-09 16:34:12 +03:00
parent dacde84372
commit bfc1465a2c
13 changed files with 200 additions and 221 deletions
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5
core/mount/mount_windows.go
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@@ -33,11 +33,6 @@ import (
const sourceStreamName = "containerd.io-source"
var (
// ErrNotImplementOnWindows is returned when an action is not implemented for windows
ErrNotImplementOnWindows = errors.New("not implemented under windows")
)
// Mount to the provided target.
func (m *Mount) mount(target string) (retErr error) {
if m.Type != "windows-layer" {