Re: [Xen-devel] [PATCH v3 2/5] libxl: add libxl__xs_path_cleanup

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Roger Pau Monne writes ("Re: [Xen-devel] [PATCH v3 2/5] libxl: add 
libxl__xs_path_cleanup"):
> Ian Jackson escribió:
> > With the C xenstored, the RM command will delete a whole directory
> > tree, regardless of its contents.  This is documented in
> > docs/misc/xenstore.txt.
> 
> This is a recursive delete, from top to bottom, let me put an example 
> which will make this clear, since probably the title is wrong. Imagine 
> you have the following xenstore entry:
> 
> /foo/bar/baz = 123
> 
> If you do a:
> 
> xenstore-rm /foo/bar/baz
> 
> the following will remain in xenstore:
> 
> /foo/bar
> 
> What this function does is clean empty folders that contained the 
> deleted entry, so using this function on /foo/bar/baz would have cleaned 
> the whole directory.

Oh!  This was quite unclear to me and I didn't read your code closely
enough to spot this.  I'll go back and read your patch again.

Ian.

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