bugThe GNU Hurd - Bugs: bug #48438, Cannot replace /hurd/fifo with...

 
 

bug #48438: Cannot replace /hurd/fifo with different passive translator

Submitter:  Kalle Olavi Niemitalo <kon>
Submitted:  Thu 07 Jul 2016 12:38:01 PM UTC
   
 
Category:  Hurd Servers Severity:  3 - Normal
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Reproducibility:  Every Time
Size (loc):  None Planned Release:  None
Effort:  0.00
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Fri 28 Apr 2017 06:31:43 PM UTC, comment #2: 

That is not what the OP meant.  You are seeing this because you accessed the node 'hop' and started the translator.  Therefore, you have to use some flag to tell settrans how to deal with the active translator.

The OP correctly reported that the short-circuiting logic in libfshelp is wrong, or at least somewhat naive.

 Justus Winter <teythoon>
Group Member
Thu 27 Apr 2017 06:06:10 PM UTC, comment #1: 

I am also unable to replace /hurd/fifo with /hurd/hello, BUT
when I run

$ settrans hop /hurd/hello
   settrans: hop: Device or resource busy

$ showtrans hop          
  /hurd/fifo

Joshua Branson <joshuabranson>
Thu 07 Jul 2016 12:38:01 PM UTC, original submission:  

Using hurd 1:0.8.git20160522-4 from Debian:


$ ls -ld hop
ls: cannot access 'hop': No such file or directory
$ touch hop
$ settrans hop /hurd/fifo
$ settrans hop /hurd/hello
$ showtrans hop
/hurd/fifo


The output from showtrans should have been "/hurd/hello".
This happens with ext2fs and tmpfs.

Kalle Olavi Niemitalo <kon>

 

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