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fix(pools): do not let data movement overwrite a newer copy

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Signed-off-by: Denis Babchuk <babchukdenis@icloud.com>
This commit is contained in:
Denis Babchuk
2026-10-17 22:11:45 +03:00
parent 7007c164a5
commit bca40a4ac9
7 changed files with 455 additions and 14 deletions
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cmd/erasure-server-pool.go
+25 -2
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@@ -1183,6 +1183,14 @@ func (z *erasureServerPools) PutObject(ctx context.Context, bucket string, objec
opts.CheckPrecondFn = nil
}
if opts.DataMovement {
resolve, err := z.checkDataMovementCopies(ctx, bucket, object, opts)
if err != nil {
return ObjectInfo{}, err
}
opts.replicaObjectInfo = resolve
}
idx, err := z.getWritePoolIdx(ctx, bucket, object, data.Size(), true)
if err != nil {
return ObjectInfo{}, err
@@ -1202,7 +1210,7 @@ func (z *erasureServerPools) PutObject(ctx context.Context, bucket string, objec
}
// Public overwrites need all pools for Object Lock. Unaddressed replica
// callbacks retain their set-local reads unless reconciliation is needed.
if opts.ReplicaLockReconcile || !opts.ReplicationRequest {
if opts.replicaObjectInfo == nil && (opts.ReplicaLockReconcile || !opts.ReplicationRequest) {
opts.replicaObjectInfo = z.replicaObjectInfo
}
oi, err := z.serverPools[idx].PutObject(ctx, bucket, object, data, opts)
@@ -1339,6 +1347,9 @@ func (z *erasureServerPools) DeleteObject(ctx context.Context, bucket string, ob
}
if opts.DataMovement {
if _, err := z.checkDataMovementCopies(ctx, bucket, object, gopts); err != nil {
return pinfo.ObjInfo, err
}
objInfo, err = z.serverPools[pinfo.Index].DeleteObject(ctx, bucket, object, opts)
objInfo.Name = decodeDirObject(object)
return objInfo, err
@@ -2248,6 +2259,13 @@ func (z *erasureServerPools) CompleteMultipartUpload(ctx context.Context, bucket
}
opts.CheckPrecondFn = nil
}
if opts.DataMovement {
resolve, err := z.checkDataMovementCopies(ctx, bucket, encodeDirObject(object), opts)
if err != nil {
return ObjectInfo{}, err
}
opts.replicaObjectInfo = resolve
}
}
// Hold write locks to verify uploaded parts, also disallows any
@@ -2267,7 +2285,7 @@ func (z *erasureServerPools) CompleteMultipartUpload(ctx context.Context, bucket
if opts.ReplicaLockReconcile || opts.DataMovement {
opts.ReplicaLockReconcile = true
}
if opts.ReplicaLockReconcile || !opts.ReplicationRequest {
if opts.replicaObjectInfo == nil && (opts.ReplicaLockReconcile || !opts.ReplicationRequest) {
opts.replicaObjectInfo = z.replicaObjectInfo
}
@@ -3258,6 +3276,11 @@ func (z *erasureServerPools) DecomTieredObject(ctx context.Context, bucket, obje
defer ns.Unlock(lkctx)
opts.NoLock = true
}
if opts.DataMovement {
if _, err := z.checkDataMovementCopies(ctx, bucket, object, opts); err != nil {
return err
}
}
idx, err := z.getPoolIdxNoLock(ctx, bucket, object, fi.Size)
if err != nil {
return err