Re: XFS dmapi: dm_path_to_handle fails if the path is a directory

[Vlad Apostolov <vapo@xxxxxxx>]

John Groves wrote:
> Vlad Apostolov wrote:
>
> > Hi John,
> >
> > I did try this on my dmapi filesystem:
> >
> > emu:/mnt/scratch1/dmapi_test # mkdir -p x/y/z
> > emu:/mnt/scratch1/dmapi_test # 
> > /home/vapo/isms/xfs-cmds/xfstests/dmapi/src/suite1/cmd/path_to_handle 
> > x/y
> > 5d1111a90e4800000e00000003000000d903400000000000
> > emu:/mnt/scratch1/dmapi_test # mv x/y x/w
> > emu:/mnt/scratch1/dmapi_test # 
> > /home/vapo/isms/xfs-cmds/xfstests/dmapi/src/suite1/cmd/path_to_handle 
> > x/w
> > 5d1111a90e4800000e00000003000000d903400000000000
> > emu:/mnt/scratch1/dmapi_test #
> >
> > I also tried path_to_handle with relative path to a directory it 
> > worked fine too. When you say
> > dm_path_to_handle fails, what is the error returned?
> >
> > Regards,
> > Vlad
> Vlad,
>
> This was my bad -- I need to go back to programming school ;-).
>
> The function in question was dealing in mount-point-relative paths, 
> not full paths, and I didn't notice the distinction.  Passing a full 
> path to dm_path_to_handle fixed it.  As for thinking it behaved 
> differently for a directory than for a file -- I've been smoking a 
> batch of bad crack ;-).  Calling dm_path_to_handle also failed with 
> relative paths to files -- I just didn't notice because it wasn't 
> fatal on that code path.
> Thanks for responding and looking into it, though.
>
> Regards,
> John
No problems John,

Just a note that dm_path_to_handle works fine with relative paths on my 
machine.
Regards,
Vlad