2
2
mirror of https://github.com/octoleo/restic.git synced 2024-12-01 17:23:57 +00:00
restic/internal/fuse/tree_cache.go
Michael Eischer 6ec2b62ec5 fuse: cache fs.Node instances
A particular node should always be represented by a single instance.
This is necessary to allow the fuse library to assign a stable nodeId to
a node. macOS Sonoma trips over the previous, unstable behavior when
using fuse-t.
2024-09-14 18:11:44 +02:00

39 lines
593 B
Go

//go:build darwin || freebsd || linux
// +build darwin freebsd linux
package fuse
import (
"sync"
"github.com/anacrolix/fuse/fs"
)
type treeCache struct {
nodes map[string]fs.Node
m sync.Mutex
}
func newTreeCache() *treeCache {
return &treeCache{
nodes: map[string]fs.Node{},
}
}
func (t *treeCache) lookupOrCreate(name string, create func() (fs.Node, error)) (fs.Node, error) {
t.m.Lock()
defer t.m.Unlock()
if node, ok := t.nodes[name]; ok {
return node, nil
}
node, err := create()
if err != nil {
return nil, err
}
t.nodes[name] = node
return node, nil
}