[Bugs] [Bug 1522662] New: Store allocated objects in the mem_acct

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1522662

            Bug ID: 1522662
           Summary: Store allocated objects in the mem_acct
           Product: GlusterFS
           Version: mainline
         Component: core
          Assignee: bugs at gluster.org
          Reporter: nbalacha at redhat.com
                CC: bugs at gluster.org



Description of problem:
There is no way to get the address of objects of a particular type that are
allocated. The struct mem_acct and struct mem_acct_rec store the overall stats
but there is no easy way to track down the currently allocated objects of a
particular type. 



Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:


These changes add struct list heads to the struct mem_acct_rec and struct
mem_header. Allocated objects will be added to the mem_acct_rec list in
gf_mem_set_acct_info and removed in __gf_free. 

This allows developers to examine all the allocated objects of a particular
type in memory if required and could be helpful while debugging.

This change is not compiled in by default.

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