Bug 765403 (GLUSTER-3671)

some definitely lost reports from valgrind  on branch 3.2

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=19339== 25,387 (25,187 direct, 200 indirect) bytes in 1,556 blocks are definitely lost in loss record 17 of 18
==19339==    at 0x4A05414: calloc (vg_replace_malloc.c:397)
==19339==    by 0x4C59246: __gf_default_calloc (mem-pool.h:83)
==19339==    by 0x4C596F2: __gf_calloc (mem-pool.c:135)
==19339==    by 0x710128E: pl_new_fdctx (posix.c:63)
==19339==    by 0x7101451: pl_check_n_create_fdctx (posix.c:87)
==19339==    by 0x710377D: pl_open_cbk (posix.c:464)
==19339==    by 0x6EF037E: posix_acl_open_cbk (posix-acl.c:860)
==19339==    by 0x6CDBE7B: posix_open (posix.c:2553)
==19339==    by 0x6EF0626: posix_acl_open (posix-acl.c:891)
==19339==    by 0x7103AEA: pl_open (posix.c:483)
==19339==    by 0x731C03C: iot_open_wrapper (io-threads.c:713)
==19339==    by 0x4C4D700: call_resume_wind (call-stub.c:2105)

==26620== 25,169 (25,137 direct, 32 indirect) bytes in 1,557 blocks are definitely lost in loss record 16 of 17
==26620==    at 0x4A05414: calloc (vg_replace_malloc.c:397)
==26620==    by 0x4C59246: __gf_default_calloc (mem-pool.h:83)
==26620==    by 0x4C596F2: __gf_calloc (mem-pool.c:135)
==26620==    by 0x710128E: pl_new_fdctx (posix.c:63)
==26620==    by 0x7101451: pl_check_n_create_fdctx (posix.c:87)
==26620==    by 0x710377D: pl_open_cbk (posix.c:464)
==26620==    by 0x6EF037E: posix_acl_open_cbk (posix-acl.c:860)
==26620==    by 0x6CDBE7B: posix_open (posix.c:2553)
==26620==    by 0x6EF0626: posix_acl_open (posix-acl.c:891)
==26620==    by 0x7103AEA: pl_open (posix.c:483)
==26620==    by 0x731C03C: iot_open_wrapper (io-threads.c:713)
==26620==    by 0x4C4D700: call_resume_wind (call-stub.c:2105)
==26620== 


==22481== 587 (555 direct, 32 indirect) bytes in 21 blocks are definitely lost in loss record 9 of 17
==22481==    at 0x4A05414: calloc (vg_replace_malloc.c:397)
==22481==    by 0x4C59246: __gf_default_calloc (mem-pool.h:83)
==22481==    by 0x4C596F2: __gf_calloc (mem-pool.c:135)
==22481==    by 0x40381F: gf_strdup (mem-pool.h:129)
==22481==    by 0x404BE3: parse_opts (glusterfsd.c:590)
==22481==    by 0x3D920EC038: argp_parse (in /lib64/libc-2.10.2.so)
==22481==    by 0x405E60: parse_cmdline (glusterfsd.c:1060)
==22481==    by 0x406EEC: main (glusterfsd.c:1482)

--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
fuse-log 
==19350== 368 (216 direct, 152 indirect) bytes in 1 blocks are definitely lost in loss record 7 of 17
==19350==    at 0x4A05414: calloc (vg_replace_malloc.c:397)
==19350==    by 0x4C59246: __gf_default_calloc (mem-pool.h:83)
==19350==    by 0x4C596F2: __gf_calloc (mem-pool.c:135)
==19350==    by 0x4C41567: __inode_create (inode.c:544)
==19350==    by 0x4C429EE: __inode_table_init_root (inode.c:1153)
==19350==    by 0x4C42D9F: inode_table_new (inode.c:1242)
==19350==    by 0x62E4DF2: fuse_graph_setup (fuse-bridge.c:3320)
==19350==    by 0x62E503E: notify (fuse-bridge.c:3366)
==19350==    by 0x4C2A2A1: xlator_notify (xlator.c:1603)
==19350==    by 0x4C3B976: default_notify (defaults.c:1228)
==19350==    by 0x7E2468E: notify (io-stats.c:2620)
==19350==    by 0x4C2A2A1: xlator_notify (xlator.c:1603)
==19350== 
-----------
stripe logs-

==26626== 4,645,496 (4,645,344 direct, 152 indirect) bytes in 107,547 blocks are definitely lost in loss record 16 of 17
==26626==    at 0x4A05414: calloc (vg_replace_malloc.c:397)
==26626==    by 0x4C59246: __gf_default_calloc (mem-pool.h:83)
==26626==    by 0x4C596F2: __gf_calloc (mem-pool.c:135)
==26626==    by 0x4C42657: inode_path (inode.c:1056)
==26626==    by 0x7145239: stripe_readdirp_cbk (stripe.c:3851)
==26626==    by 0x6F0AB53: client3_1_readdirp_cbk (client3_1-fops.c:1939)
==26626==    by 0x4E93FE9: rpc_clnt_handle_reply (rpc-clnt.c:741)
==26626==    by 0x4E94348: rpc_clnt_notify (rpc-clnt.c:854)
==26626==    by 0x4E90701: rpc_transport_notify (rpc-transport.c:919)
==26626==    by 0x83E1B0A: socket_event_poll_in (socket.c:1647)
==26626==    by 0x83E208E: socket_event_handler (socket.c:1762)
==26626==    by 0x4C58B0B: event_dispatch_epoll_handler (event.c:794)
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