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Add cimfs differ and snapshotter

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Details about CimFs project are discussed in #8346

Signed-off-by: Amit Barve <ambarve@microsoft.com>
This commit is contained in:
Amit Barve
2023-09-14 16:18:13 -07:00
parent 643fa70a7d
commit daa1ea522b
104 changed files with 3848 additions and 2996 deletions
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6
vendor/github.com/Microsoft/hcsshim/internal/memory/pool.go generated vendored
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@@ -126,7 +126,7 @@ func (pa *PoolAllocator) Allocate(size uint64) (MappedRegion, error) {
// this means that there are no more regions for the current class, try expanding
if nextCls != memCls {
if err := pa.split(memCls); err != nil {
if err == ErrInvalidMemoryClass {
if errors.Is(err, ErrInvalidMemoryClass) {
return nil, ErrNotEnoughSpace
}
return nil, err
@@ -147,7 +147,7 @@ func (pa *PoolAllocator) Allocate(size uint64) (MappedRegion, error) {
}
// Release marks a memory region of class `memCls` and offset `offset` as free and tries to merge smaller regions into
// a bigger one
// a bigger one.
func (pa *PoolAllocator) Release(reg MappedRegion) error {
mp := pa.pools[reg.Type()]
if mp == nil {
@@ -164,7 +164,7 @@ func (pa *PoolAllocator) Release(reg MappedRegion) error {
return ErrNotAllocated
}
if err := pa.merge(n.parent); err != nil {
if err != ErrEarlyMerge {
if !errors.Is(err, ErrEarlyMerge) {
return err
}
}