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fuse: forget fs.Node instances on request by the kernel

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Forget fs.Node instances once the kernel frees the corresponding nodeId.
This ensures that restic does not run out of memory on large snapshots.
This commit is contained in:
Michael Eischer
2024-09-09 22:37:51 +02:00
parent e9940f39dc
commit 51173c5003
8 changed files with 86 additions and 39 deletions
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6
internal/fuse/fuse_test.go
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@@ -119,7 +119,7 @@ func TestFuseFile(t *testing.T) {
root := &Root{repo: repo, blobCache: bloblru.New(blobCacheSize)}
inode := inodeFromNode(1, node)
f, err := newFile(root, inode, node)
f, err := newFile(root, func() {}, inode, node)
rtest.OK(t, err)
of, err := f.Open(context.TODO(), nil, nil)
rtest.OK(t, err)
@@ -162,7 +162,7 @@ func TestFuseDir(t *testing.T) {
}
parentInode := inodeFromName(0, "parent")
inode := inodeFromName(1, "foo")
d, err := newDir(root, inode, parentInode, node)
d, err := newDir(root, func() {}, inode, parentInode, node)
rtest.OK(t, err)
// don't open the directory as that would require setting up a proper tree blob
@@ -276,7 +276,7 @@ func TestLink(t *testing.T) {
{Name: "foo", Value: []byte("bar")},
}}
lnk, err := newLink(&Root{}, 42, node)
lnk, err := newLink(&Root{}, func() {}, 42, node)
rtest.OK(t, err)
target, err := lnk.Readlink(context.TODO(), nil)
rtest.OK(t, err)