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fs: fix race conditions in --max-delete and --max-delete-size

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This commit is contained in:
Nick Craig-Wood
2023-03-08 18:40:37 +00:00
parent a35ee30d9f
commit e2984227bb
4 changed files with 38 additions and 22 deletions
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13
fs/operations/operations.go
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@@ -632,20 +632,13 @@ func SuffixName(ctx context.Context, remote string) string {
// If backupDir is set then it moves the file to there instead of
// deleting
func DeleteFileWithBackupDir(ctx context.Context, dst fs.Object, backupDir fs.Fs) (err error) {
ci := fs.GetConfig(ctx)
tr := accounting.Stats(ctx).NewCheckingTransfer(dst, "deleting")
defer func() {
tr.Done(ctx, err)
}()
deletesSize := accounting.Stats(ctx).DeletesSize(0) // file not yet deleted, we should not add at this time
size := dst.Size()
if int64(ci.MaxDeleteSize) != -1 && (deletesSize+size) > int64(ci.MaxDeleteSize) {
return fserrors.FatalError(errors.New("--max-delete-size threshold reached"))
}
_ = accounting.Stats(ctx).DeletesSize(size) // here we count
numDeletes := accounting.Stats(ctx).Deletes(1)
if ci.MaxDelete != -1 && numDeletes > ci.MaxDelete {
return fserrors.FatalError(errors.New("--max-delete threshold reached"))
err = accounting.Stats(ctx).DeleteFile(ctx, dst.Size())
if err != nil {
return err
}
action, actioned := "delete", "Deleted"
if backupDir != nil {