fix has changes false if deleted result size eq zero (#4909)

* fix has changes false if deleted result size eq zero
https://github.com/seaweedfs/seaweedfs/issues/4171

* fix change respos status 202 to 304 if the file has already been deleted
https://github.com/seaweedfs/seaweedfs/issues/4171

* fix delete if set apply changes
https://github.com/seaweedfs/seaweedfs/issues/4171

---------

Co-authored-by: Konstantin Lebedev <9497591+kmlebedev@users.noreply.github.co>

1 files changed, 2 insertions, 2 deletions

diff --git a/weed/shell/command_volume_check_disk.go b/weed/shell/command_volume_check_disk.go
index ae790a418..3e2512bdd 100644
--- a/weed/shell/command_volume_check_disk.go
+++ b/weed/shell/command_volume_check_disk.go
@@ -271,7 +271,7 @@ func doVolumeCheckDisk(minuend, subtrahend *needle_map.MemDb, source, target *Vo
 
 	}
 
-	if doSyncDeletions && len(partiallyDeletedNeedles) > 0 {
+	if doSyncDeletions && applyChanges && len(partiallyDeletedNeedles) > 0 {
 		var fidList []string
 		for _, needleValue := range partiallyDeletedNeedles {
 			fidList = append(fidList, needleValue.Key.FileId(source.info.Id))
@@ -286,7 +286,7 @@ func doVolumeCheckDisk(minuend, subtrahend *needle_map.MemDb, source, target *Vo
 			return hasChanges, deleteErr
 		}
 		for _, deleteResult := range deleteResults {
-			if deleteResult.Status == http.StatusAccepted {
+			if deleteResult.Status == http.StatusAccepted && deleteResult.Size > 0 {
 				hasChanges = true
 				return
 			}