[stgt] lld and backstore modularization

[ronnie sahlberg]

Or maybe better is just have it try to dlopen every file it finds in
/usr/lib/tgtd/backing-store/ automatically on startup.

Since the bs_*.c files use a lot of other symbols from usr/*.c we
probably need to turn most of tgtd into a shared library so that the
bs_*.so modules can be dlopened and link to the symbol,s they need.
One way of doing this is to change the build so that tgtd.c is the
main program and everything else becomes a /usr/lib/tgt/libtgt.so



On Tue, Aug 6, 2013 at 10:45 AM, Andy Grover <agrover at redhat.com> wrote:
> On 08/05/2013 02:19 PM, ronnie sahlberg wrote:
>>
>> I think this would be very useful and good thing to have.
>>
>> I am willing to help work on doing this for the backing-stores (5 in
>> Alexanders initial mail)
>>
>> Only thing I think should be added to Alexanders proposal for (5)
>> would be something like this :
>> * BS modules are stored in /usr/lib/tgtd/backing-store/
>> * BS modules to load can also be specified on the tgtd command-line :
>>   tgtd ... --bs-modules=bs_rdwr.so
>
>
> Could this be implicit? If the --bstype is not already loaded, go try and
> load bs_foo.so?
>
> Regards -- Andy
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