[dolphin] [Bug 457959] New: Copying large number of folders (1000+) with many subfolders, when moving bar finish, its like continue some operation but feels like hanging.

[Ilias Tsolis]

https://bugs.kde.org/show_bug.cgi?id=457959

            Bug ID: 457959
           Summary: Copying large number of folders (1000+) with many
                    subfolders, when moving bar finish, its like continue
                    some operation but feels like hanging.
           Product: dolphin
           Version: 20.12.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: panels: folders
          Assignee: dolphin-bugs-null at kde.org
          Reporter: elias_0000_0000 at yahoo.com
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
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See
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***
Copying large number of folders (1000+) (to two different HDDs) with many
subfolders, when info bar finished of process of movingfolders, its like that
some operation occurs but dolphin looks like freezed - you cannot do any
operation - only after some minutes (2-3m in my system).

So what such operation is? Cleaning inodes? Tidy up folder information? 
Why info bar of moving folders dont report it? 

STEPS TO REPRODUCE
1. move from HDD sda to HDD sdb large number of folders with subfolders eg.
10000+
2. Wait to show the infobar of movement that process is finished
3. Try to eg. create a new folder... u cant, u must wait 2-3m (depend on the
machine power) until some "hidden" operation by dolphin is finished without
reporting it to user which may feels distressed. 

OBSERVED RESULT

dolphin is like freezed after info bar report finish move of folders

EXPECTED RESULT
to report hidden operation in order user to know what is happening 

SOFTWARE/OS VERSIONS
Linux/KDE Plasma:  KDE with bullseye 11
KDE Frameworks 5.80.0
Qt 5.15.2 (built against 5.15.2)
The xcb windowing system

ADDITIONAL INFORMATION

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