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2008-12-15Merge branch 'master' of ↵David S. Miller1-2/+7
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/e1000e/ich8lan.c
2008-12-14rpc/rdma: goto instead of copypasteIlpo Järvinen1-2/+2
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-10net: Make staticRoel Kluin2-2/+2
Sparse asked whether these could be static. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-03Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linuxLinus Torvalds1-2/+7
* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: NLM: client-side nlm_lookup_host() should avoid matching on srcaddr nfsd: use of unitialized list head on error exit in nfs4recover.c Add a reference to sunrpc in svc_addsock nfsd: clean up grace period on early exit
2008-11-25sunrpc: fix warning in net/sunrpc/xprtrdma/verbs.cIngo Molnar1-0/+2
fix this warning: net/sunrpc/xprtrdma/verbs.c: In function ‘rpcrdma_conn_upcall’: net/sunrpc/xprtrdma/verbs.c:279: warning: unused variable ‘addr’ Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-25sunrpc: fix warning in net/sunrpc/xprtrdma/svc_rdma_transport.cIngo Molnar1-1/+1
this warning: net/sunrpc/xprtrdma/svc_rdma_transport.c: In function ‘svc_rdma_accept’: net/sunrpc/xprtrdma/svc_rdma_transport.c:830: warning: ‘dma_mr_acc’ may be used uninitialized in this function triggers because GCC does not recognize the (correct) flow connection between need_dma_mr and dma_mr_acc. Annotate it. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-24Add a reference to sunrpc in svc_addsockTom Tucker1-2/+7
The svc_addsock function adds transport instances without taking a reference on the sunrpc.ko module, however, the generic transport destruction code drops a reference when a transport instance is destroyed. Add a try_module_get call to the svc_addsock function for transport instances added by this function. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Tested-by: Jeff Moyer <jmoyer@redhat.com>
2008-11-20Merge branch 'master' of ↵David S. Miller1-2/+18
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/ixgbe/ixgbe_main.c include/net/mac80211.h net/phonet/af_phonet.c
2008-11-20SUNRPC: Fix a performance regression in the RPC authentication codeTrond Myklebust1-2/+18
Fix a regression reported by Max Kellermann whereby kernel profiling showed that his clients were spending 45% of their time in rpcauth_lookup_credcache. It turns out that although his processes had identical uid/gid/groups, generic_match() was failing to detect this, because the task->group_info pointers were not shared. This again lead to the creation of a huge number of identical credentials at the RPC layer. The regression is fixed by comparing the contents of task->group_info if the actual pointers are not identical. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-11-02sunrpc: Fix build warning due to typo in %pI4 format changes.David S. Miller1-1/+1
Noticed by Stephen Hemminger. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-31net: replace NIPQUAD() in net/*/Harvey Harrison8-53/+40
Using NIPQUAD() with NIPQUAD_FMT, %d.%d.%d.%d or %u.%u.%u.%u can be replaced with %pI4 Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-31Merge branch 'master' of ↵David S. Miller2-18/+58
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/p54/p54common.c
2008-10-29net: replace %p6 with %pI6Harvey Harrison4-8/+8
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-29net: replace %#p6 format specifier with %pi6Harvey Harrison1-1/+1
gcc warns when using the # modifier with the %p format specifier, so we can't use this to omit the colons when needed, introduces %pi6 instead. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-28net: remove NIP6(), NIP6_FMT, NIP6_SEQFMT and final usersHarvey Harrison1-1/+1
Open code NIP6_FMT in the one call inside sscanf and one user of NIP6() that could use %p6 in the netfilter code. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-28net, misc: replace uses of NIP6_FMT with %p6Harvey Harrison4-18/+16
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-28net: replace all current users of NIP6_SEQFMT with %#p6Harvey Harrison1-4/+3
The define in kernel.h can be done away with at a later time. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-28SUNRPC: Fix potential race in put_rpccred()Trond Myklebust1-1/+1
We have to be careful when we try to unhash the credential in put_rpccred(), because we're not holding the credcache lock, so the call to rpcauth_unhash_cred() may fail if someone else has looked the cred up, and obtained a reference to it. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-28SUNRPC: Fix rpcauth_prune_expiredTrond Myklebust1-7/+9
We need to make sure that we don't remove creds from the cred_unused list if they are still under the moratorium, or else they will never get garbage collected. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-28SUNRPC: Respond promptly to server TCP resetsTrond Myklebust1-10/+48
If the server sends us an RST error while we're in the TCP_ESTABLISHED state, then that will not result in a state change, and so the RPC client ends up hanging forever (see http://bugzilla.kernel.org/show_bug.cgi?id=11154) We can intercept the reset by setting up an sk->sk_error_report callback, which will then allow us to initiate a proper shutdown and retry... We also make sure that if the send request receives an ECONNRESET, then we shutdown too... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-17Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds1-2/+0
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) ipv4: Add a missing rcu_assign_pointer() in routing cache. [netdrvr] ibmtr: PCMCIA IBMTR is ok on 64bit xen-netfront: Avoid unaligned accesses to IP header lmc: copy_*_user under spinlock [netdrvr] myri10ge, ixgbe: remove broken select INTEL_IOATDMA
2008-10-16net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely)Johannes Berg1-2/+0
Some code here depends on CONFIG_KMOD to not try to load protocol modules or similar, replace by CONFIG_MODULES where more than just request_module depends on CONFIG_KMOD and and also use try_then_request_module in ebtables. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-15Merge branch 'next'Trond Myklebust7-268/+616
2008-10-14Merge branch 'for-2.6.28' of git://linux-nfs.org/~bfields/linuxLinus Torvalds8-207/+989
* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits) svcrdma: Fix IRD/ORD polarity svcrdma: Update svc_rdma_send_error to use DMA LKEY svcrdma: Modify the RPC reply path to use FRMR when available svcrdma: Modify the RPC recv path to use FRMR when available svcrdma: Add support to svc_rdma_send to handle chained WR svcrdma: Modify post recv path to use local dma key svcrdma: Add a service to register a Fast Reg MR with the device svcrdma: Query device for Fast Reg support during connection setup svcrdma: Add FRMR get/put services NLM: Remove unused argument from svc_addsock() function NLM: Remove "proto" argument from lockd_up() NLM: Always start both UDP and TCP listeners lockd: Remove unused fields in the nlm_reboot structure lockd: Add helper to sanity check incoming NOTIFY requests lockd: change nlmclnt_grant() to take a "struct sockaddr *" lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET lockd: Support non-AF_INET addresses in nlm_lookup_host() NLM: Convert nlm_lookup_host() to use a single argument svcrdma: Add Fast Reg MR Data Types ...
2008-10-13net: Rationalise email address: Network Specific PartsAlan Cox1-2/+2
Clean up the various different email addresses of mine listed in the code to a single current and valid address. As Dave says his network merges for 2.6.28 are now done this seems a good point to send them in where they won't risk disrupting real changes. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-10-10RPC/RDMA: ensure connection attempt is complete before signalling.Tom Talpey1-5/+1
The RPC/RDMA connection logic could return early from reconnection attempts, leading to additional spurious retries. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: correct the reconnect timer backoffTom Talpey1-0/+7
The RPC/RDMA code had a constant 5-second reconnect backoff, and always performed it, even when re-establishing a connection to a server after the RPC layer closed it due to being idle. Make it an geometric backoff (up to 30 seconds), and don't delay idle reconnect. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: optionally emit useful transport info upon connect/disconnect.Tom Talpey2-1/+22
Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: reformat a debug printk to keep lines together.Tom Talpey1-2/+2
The send marshaling code split a particular dprintk across two lines, which makes it hard to extract from logfiles. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: harden connection logic against missing/late rdma_cm upcalls.Tom Talpey2-4/+10
Add defensive timeouts to wait_for_completion() calls in RDMA address resolution, and make them interruptible. Fix the timeout units to milliseconds (formerly jiffies) and move to private header. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: fix connect/reconnect resource leak.Tom Talpey1-5/+4
The RPC/RDMA code can leak RDMA connection manager endpoints in certain error cases on connect. Don't signal unwanted events, and be certain to destroy any allocated qp. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: return a consistent error, when connect fails.Tom Talpey1-1/+1
The xprt_connect call path does not expect such errors as ECONNREFUSED to be returned from failed transport connection attempts, otherwise it translates them to EIO and signals fatal errors. For example, mount.nfs prints simply "internal error". Translate all such errors to ENOTCONN from RPC/RDMA to match sockets behavior. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: adhere to protocol for unpadded client trailing write chunks.Tom Talpey3-2/+33
The RPC/RDMA protocol allows clients and servers to avoid RDMA operations for data which is purely the result of XDR padding. On the client, automatically insert the necessary padding for such server replies, and optionally don't marshal such chunks. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: avoid an oops due to disconnect racing with async upcalls.Tom Talpey1-11/+9
RDMA disconnects yield an upcall from the RDMA connection manager, which can race with rpc transport close, e.g. on ^C of a mount. Ensure any rdma cm_id and qp are fully destroyed before continuing. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: maintain the RPC task bytes-sent statistic.Tom Talpey1-0/+1
Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: suppress retransmit on RPC/RDMA clients.Tom Talpey3-4/+15
An RPC/RDMA client cannot retransmit on an unbroken connection, doing so violates its flow control with the server. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: fix connection IRD/ORD settingTom Tucker1-37/+14
This logic sets the connection parameter that configures the local device and informs the remote peer how many concurrent incoming RDMA_READ requests are supported. The original logic didn't really do what was intended for two reasons: - The max number supported by the device is typically smaller than any one factor in the calculation used, and - The field in the connection parameter structure where the value is stored is a u8 and always overflows for the default settings. So what really happens is the value requested for responder resources is the left over 8 bits from the "desired value". If the desired value happened to be a multiple of 256, the result was zero and it wouldn't connect at all. Given the above and the fact that max_requests is almost always larger than the max responder resources supported by the adapter, this patch simplifies this logic and simply requests the max supported by the device, subject to a reasonable limit. This bug was found by Jim Schutt at Sandia. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: support FRMR client memory registration.Tom Talpey2-6/+167
Configure, detect and use "fastreg" support from IB/iWARP verbs layer to perform RPC/RDMA memory registration. Make FRMR the default memreg mode (will fall back if not supported by the selected RDMA adapter). This allows full and optimal operation over the cxgb3 adapter, and others. Signed-off-by: Tom Talpey <talpey@netapp.com> Acked-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: check selected memory registration mode at runtime.Tom Talpey1-15/+80
At transport creation, check for, and use, any local dma lkey. Then, check that the selected memory registration mode is in fact supported by the RDMA adapter selected for the mount. Fall back to best alternative if not. Signed-off-by: Tom Talpey <talpey@netapp.com> Acked-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: add data types and new FRMR memory registration enum.Tom Talpey1-1/+7
Internal RPC/RDMA structure updates in preparation for FRMR support. Signed-off-by: Tom Talpey <talpey@netapp.com> Acked-by: Tom Tucker <tom@opengridcomputing.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-10RPC/RDMA: refactor the inline memory registration code.Tom Talpey1-158/+207
Refactor the memory registration and deregistration routines. This saves stack space, makes the code more readable and prepares to add the new FRMR registration methods. Signed-off-by: Tom Talpey <talpey@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-08Merge branch 'from-tomtucker' into for-2.6.28J. Bruce Fields3-122/+684
2008-10-07sunrpc: fix oops in rpc_create when the mount namespace is unsharedCedric Le Goater1-2/+2
On a system with nfs mounts, if a task unshares its mount namespace, a oops can occur when the system is rebooted if the task is the last to unreference the nfs mount. It will try to create a rpc request using utsname() which has been invalidated by free_nsproxy(). The patch fixes the issue by using the global init_utsname() which is always valid. the capability of identifying rpc clients per uts namespace stills needs some extra work so this should not be a problem. BUG: unable to handle kernel NULL pointer dereference at 00000004 IP: [<c024c9ab>] rpc_create+0x332/0x42f Oops: 0000 [#1] DEBUG_PAGEALLOC Pid: 1857, comm: uts-oops Not tainted (2.6.27-rc5-00319-g7686ad5 #4) EIP: 0060:[<c024c9ab>] EFLAGS: 00210287 CPU: 0 EIP is at rpc_create+0x332/0x42f EAX: 00000000 EBX: df26adf0 ECX: c0251887 EDX: 00000001 ESI: df26ae58 EDI: c02f293c EBP: dda0fc9c ESP: dda0fc2c DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 Process uts-oops (pid: 1857, ti=dda0e000 task=dd9a0778 task.ti=dda0e000) Stack: c0104532 dda0fffc dda0fcac dda0e000 dda0e000 dd93b7f0 00000009 c02f2880 df26aefc dda0fc68 c01096b7 00000000 c0266ee0 c039a070 c039a070 dda0fc74 c012ca67 c039a064 dda0fc8c c012cb20 c03daf74 00000011 00000000 c0275c90 Call Trace: [<c0104532>] ? dump_trace+0xc2/0xe2 [<c01096b7>] ? save_stack_trace+0x1c/0x3a [<c012ca67>] ? save_trace+0x37/0x8c [<c012cb20>] ? add_lock_to_list+0x64/0x96 [<c0256fc4>] ? rpcb_register_call+0x62/0xbb [<c02570c8>] ? rpcb_register+0xab/0xb3 [<c0252f4d>] ? svc_register+0xb4/0x128 [<c0253114>] ? svc_destroy+0xec/0x103 [<c02531b2>] ? svc_exit_thread+0x87/0x8d [<c01a75cd>] ? lockd_down+0x61/0x81 [<c01a577b>] ? nlmclnt_done+0xd/0xf [<c01941fe>] ? nfs_destroy_server+0x14/0x16 [<c0194328>] ? nfs_free_server+0x4c/0xaa [<c019a066>] ? nfs_kill_super+0x23/0x27 [<c0158585>] ? deactivate_super+0x3f/0x51 [<c01695d1>] ? mntput_no_expire+0x95/0xb4 [<c016965b>] ? release_mounts+0x6b/0x7a [<c01696cc>] ? __put_mnt_ns+0x62/0x70 [<c0127501>] ? free_nsproxy+0x25/0x80 [<c012759a>] ? switch_task_namespaces+0x3e/0x43 [<c01275a9>] ? exit_task_namespaces+0xa/0xc [<c0117fed>] ? do_exit+0x4fd/0x666 [<c01181b3>] ? do_group_exit+0x5d/0x83 [<c011fa8c>] ? get_signal_to_deliver+0x2c8/0x2e0 [<c0102630>] ? do_notify_resume+0x69/0x700 [<c011d85a>] ? do_sigaction+0x134/0x145 [<c0127205>] ? hrtimer_nanosleep+0x8f/0xce [<c0126d1a>] ? hrtimer_wakeup+0x0/0x1c [<c0103488>] ? work_notifysig+0x13/0x1b ======================= Code: 70 20 68 cb c1 2c c0 e8 75 4e 01 00 8b 83 ac 00 00 00 59 3d 00 f0 ff ff 5f 77 63 eb 57 a1 00 80 2d c0 8b 80 a8 02 00 00 8d 73 68 <8b> 40 04 83 c0 45 e8 41 46 f7 ff ba 20 00 00 00 83 f8 21 0f 4c EIP: [<c024c9ab>] rpc_create+0x332/0x42f SS:ESP 0068:dda0fc2c Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Cc: Chuck Lever <chuck.lever@oracle.com> Cc: Trond Myklebust <trond.myklebust@fys.uio.no> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: "Serge E. Hallyn" <serue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-07SUNRPC: Fix a memory leak in rpcb_getport_asyncTrond Myklebust1-1/+3
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-07SUNRPC: Fix autobind on cloned rpc clientsTrond Myklebust1-7/+29
Despite the fact that cloned rpc clients won't have the cl_autobind flag set, they may still find themselves calling rpcb_getport_async(). For this to happen, it suffices for a _parent_ rpc_clnt to use autobinding, in which case any clone may find itself triggering the !xprt_bound() case in call_bind(). The correct fix for this is to walk back up the tree of cloned rpc clients, in order to find the parent that 'owns' the transport, either because it has clnt->cl_autobind set, or because it originally created the transport... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-07sunrpc: do not pin sunrpc module in the memoryDenis V. Lunev1-8/+4
Basically, try_module_get here are pretty useless. Any other module using this API will pin sunrpc in memory due using exported symbols. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2008-10-06svcrdma: Fix IRD/ORD polarityTom Tucker1-1/+1
The inititator/responder resources in the event have been swapped. They no represent what the local peer would set their values to in order to match the peer. Note that iWARP does not exchange these on the wire and the provider is simply putting in the local device max. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-10-06svcrdma: Update svc_rdma_send_error to use DMA LKEYTom Tucker1-2/+9
Update the svc_rdma_send_error code to use the DMA LKEY which is valid regardless of the memory registration strategy in use. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-10-06svcrdma: Modify the RPC reply path to use FRMR when availableTom Tucker2-40/+217
Use FRMR to map local RPC reply data. This allows RDMA_WRITE to send reply data using a single WR. The FRMR is invalidated by linking the LOCAL_INV WR to the RDMA_SEND message used to complete the reply. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
2008-10-06svcrdma: Modify the RPC recv path to use FRMR when availableTom Tucker2-22/+170
RPCRDMA requests that specify a read-list are fetched with RDMA_READ. Using an FRMR to map the data sink improves NFSRDMA security on transports that place the RDMA_READ data sink LKEY on the wire because the valid lifetime of the MR is only the duration of the RDMA_READ. The LKEY is invalidated when the last RDMA_READ WR completes. Mapping the data sink also allows for very large amounts to data to be fetched with a single WR, so if the client is also using FRMR, the entire RPC read-list can be fetched with a single WR. Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
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