Re: reading /proc files larger than one buffer

[Jeff Garzik <jgarzik@pobox.com>]

Don Cohen wrote:
> If you follow the directions in Documentation/DocBook/procfs-guide.tmpl
> then your file read will not work correctly unless the whole file is
> read in one call.
> 
> After examining (and experimenting with) fs/proc/generic.c I now see
> what you have to do: in addition to writing bytes in the page
> parameter, setting eof as appropriate and returning the number of
> bytes written, you also need to do:
>  *start = page;
> At minimum the documentation should be corrected.


There is a new seq_xxx API that covers this quite well... the 
documentation should be updated to include that, especially.  seq_xxx 
should take care of a large number of complex or potentially-large 
procfs output.

Any change you would be interested in updating the docs?  ;-)