[Bugs] [Bug 1578721] New: Statedump prints memory usage statistics twice

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1578721

            Bug ID: 1578721
           Summary: Statedump prints memory usage statistics twice
           Product: GlusterFS
           Version: mainline
         Component: core
          Assignee: bugs at gluster.org
          Reporter: pkarampu at redhat.com
                CC: bugs at gluster.org



Description of problem:

Before the fix:
pk at localhost - /var/run/gluster 
14:55:45 :( ⚡ sudo grep ioc_t glusterdump.31395.dump.1526458170 
[performance/io-cache.r3-io-cache - usage-type gf_ioc_mt_ioc_table_t memusage]
[performance/io-cache.r3-io-cache - usage-type gf_ioc_mt_ioc_table_t memusage]

After the fix:
pk at localhost - /var/run/gluster 
14:55:47 :) ⚡ sudo grep ioc_t glusterdump.11980.dump.1526460969 
[performance/io-cache.r3-io-cache - usage-type gf_ioc_mt_ioc_table_t memusage]

Csaba found that statedump of fusemount has two instances of
each of the mem-accounting information. On debugging, I realized
that statedump is called for both ctx->master and ctx->active.
Since ctx->active is a sub-graph of ctx->master, there are duplicate
entries.

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


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