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fix(restore): preserve safe read context through nested lookups

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Carry restore context through POST status reads, metadata copy routing, null-version Object Lock checks and multipart completion. A failed read must preserve the target and must not enqueue its remote object for garbage collection. Cover initial/status POST failures and metadata loss during single and multipart rehydration on real disks.

Signed-off-by: Feng Ruohang <rh@vonng.com>
This commit is contained in:
Feng Ruohang
2026-11-03 22:46:03 +08:00
parent 7c9b6386c6
commit 496eab4b76
7 changed files with 218 additions and 12 deletions
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cmd/bucket-object-lock.go
+4 -2
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@@ -251,8 +251,9 @@ func enforceRetentionBypassForPut(ctx context.Context, r *http.Request, oi Objec
// checkObjectLockedForOverwrite re-checks under the object write lock whether an
// in-place write to the null version (such as a directory object) would
// overwrite a locked version in an Object Lock bucket.
func checkObjectLockedForOverwrite(ctx context.Context, bucket, object string, getObjectInfoFn GetObjectInfoFn) error {
// overwrite a locked version in an Object Lock bucket. Restore context keeps
// failed reads from deleting the version being rehydrated.
func checkObjectLockedForOverwrite(ctx context.Context, bucket, object string, getObjectInfoFn GetObjectInfoFn, transition TransitionOptions) error {
if isMinioMetaBucketName(bucket) {
return nil
}
@@ -265,6 +266,7 @@ func checkObjectLockedForOverwrite(ctx context.Context, bucket, object string, g
}
objInfo, err := getObjectInfoFn(ctx, bucket, object, ObjectOptions{
VersionID: nullVersionID,
Transition: transition,
NoLock: true,
NoAuditLog: true,
})