| 8a5daf1e2c199746767d94b4036638ba11d528b3 |
|
11-Mar-2014 |
Simon Derr <simon.derr@bull.net> |
9pnet_rdma: check token type before int conversion
When parsing options, make sure we have found a proper token before
doing a numeric conversion.
Without this check, the current code will end up following random
pointers that just happened to be on the stack when this function was
called, because match_token() will not touch the 'args' list unless a
valid token is found.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 931700d26bf17c583805f52121a41231e64868f3 |
|
10-Mar-2014 |
Simon Derr <simon.derr@bull.net> |
9pnet_rdma: add cancelled()
Take into account posted recv buffers that will never receive their
reply.
The RDMA code posts a recv buffer for each request that it sends.
When a request is flushed, it is possible that this request will
never receive a reply, and that one recv buffer will stay unused on
the recv queue.
It is then possible, if this scenario happens several times, to have the
recv queue full, and have the 9pnet_rmda module unable to send new requests.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 3f9d5b8dfdc7b013287caaa847b378912b013f77 |
|
10-Mar-2014 |
Simon Derr <simon.derr@bull.net> |
9pnet_rdma: update request status during send
This will be needed by the flush logic.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 2b6e72ed747f68a038df616efd86744b3644d694 |
|
17-Jan-2014 |
Dominique Martinet <dominique.martinet@cea.fr> |
9P: Add memory barriers to protect request fields over cb/rpc threads handoff
We need barriers to guarantee this pattern works as intended:
[w] req->rc, 1 [r] req->status, 1
wmb rmb
[w] req->status, 1 [r] req->rc
Where the wmb ensures that rc gets written before status,
and the rmb ensures that if you observe status == 1, rc is the new value.
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 59ea52dc461ebb05b78545064604d92faf8bb16f |
|
22-Jul-2013 |
Andi Shyti <andi@etezian.org> |
net: trans_rdma: remove unused function
This patch gets rid of the following warning:
net/9p/trans_rdma.c:594:12: warning: ‘rdma_cancelled’ defined but not used [-Wunused-function]
static int rdma_cancelled(struct p9_client *client, struct p9_req_t *req)
The rdma_cancelled function is not called anywhere in the kernel
Signed-off-by: Andi Shyti <andi@etezian.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| 80b45261a0b263536b043c5ccfc4ba4fc27c2acc |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P: Add cancelled() to the transport functions.
RDMA needs to post a buffer for each incoming reply.
Hence it needs to keep count of these and needs to be
aware of whether a flushed request has received a reply
or not.
This patch adds the cancelled() callback to the transport modules.
It is called when RFLUSH has been received and that the corresponding
request will never receive a reply.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 1cff33069a4a1ac9ed080756113ecd17ad408282 |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: count posted buffers without a pending request
In rdma_request():
If an error occurs between posting the recv and the send,
there will be a reply context posted without a pending
request.
Since there is no way to "un-post" it, we remember it and
skip post_recv() for the next request.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 2f52d07cb75d96fcbb5b9ab72938590fa9ffb19d |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: Improve error handling in rdma_request
Most importantly:
- do not free the recv context (rpl_context) after a successful post_recv()
- but do free the send context (c) after a failed send.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| b530e252e291c27fdcb1b73c72ad17f75c8bdba6 |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: Do not free req->rc in error handling in rdma_request()
rdma_request() should never be in charge of freeing rc.
When an error occurs:
* Either the rc buffer has been recv_post()'ed.
then kfree()'ing it certainly is a bad idea.
* Or is has not, and in that case req->rc still points to it,
hence it needs not be freed.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| fd453d0ed6c1dacef8eff466df473d62d63db1e9 |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: Use a semaphore to protect the RQ
The current code keeps track of the number of buffers posted in the RQ,
and will prevent it from overflowing. But it does so by simply dropping
post requests (And leaking memory in the process).
When this happens there will actually be too few buffers posted, and
soon the 9P server will complain about 'RNR retry counter exceeded'
errors.
Instead, use a semaphore, and block until the RQ is ready for another
buffer to be posted.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 47229ff85e5a0b0613df2288d212938aeb9687da |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: Protect against duplicate replies
A well-behaved server would not send twice the reply to a request.
But if it ever happens...
This additional check prevents the kernel from leaking memory
and possibly more nasty consequences in that unlikely event.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 3fcc62f4e8620fd5f85f957a5e708e69a20adb51 |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: increase P9_RDMA_MAXSIZE to 1MB
The current value is too low to get good performance.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 17b6fd9d6dfa0faed3a25a6045f7456821ea140a |
|
21-Jun-2013 |
Simon Derr <simon.derr@bull.net> |
9P/RDMA: rdma_request() needs not allocate req->rc
p9_tag_alloc() takes care of that.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 5d3851530d6d68564e4e0ce04d0547d4d106fc72 |
|
28-Nov-2011 |
Joe Perches <joe@perches.com> |
9p: Reduce object size with CONFIG_NET_9P_DEBUG
Reduce object size by deduplicating formats.
Use vsprintf extension %pV.
Rename P9_DPRINTK uses to p9_debug, align arguments.
Add function for _p9_debug and macro to add __func__.
Add missing "\n"s to p9_debug uses.
Remove embedded function names as p9_debug adds it.
Remove P9_EPRINTK macro and convert use to pr_<level>.
Add and use pr_fmt and pr_<level>.
$ size fs/9p/built-in.o*
text data bss dec hex filename
62133 984 16000 79117 1350d fs/9p/built-in.o.new
67342 984 16928 85254 14d06 fs/9p/built-in.o.old
$ size net/9p/built-in.o*
text data bss dec hex filename
88792 4148 22024 114964 1c114 net/9p/built-in.o.new
94072 4148 23232 121452 1da6c net/9p/built-in.o.old
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| b26f9b9949013fec31b23c426fc463164ae08891 |
|
01-Apr-2010 |
Sean Hefty <sean.hefty@intel.com> |
RDMA/cma: Pass QP type into rdma_create_id()
The RDMA CM currently infers the QP type from the port space selected
by the user. In the future (eg with RDMA_PS_IB or XRC), there may not
be a 1-1 correspondence between port space and QP type. For netlink
export of RDMA CM state, we want to export the QP type to userspace,
so it is cleaner to explicitly associate a QP type to an ID.
Modify rdma_create_id() to allow the user to specify the QP type, and
use it to make our selections of datagram versus connected mode.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
|
| 5b5ed8afe48ca6916daabf9822e7a19fc19fdab4 |
|
19-May-2011 |
David S. Miller <davem@davemloft.net> |
9p: Kill unused variable 'ret' in trans_rdma.c:parse_opts()
Probably just cut and pasted from the other parse_opts() implementations
in the 9p sources.
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| eeff66ef6e33925f615d49e6c846263e342ab60e |
|
08-Mar-2011 |
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> |
net/9p: Convert the in the 9p rpc call path to GFP_NOFS
Without this we can cause reclaim allocation in writepage.
[ 3433.448430] =================================
[ 3433.449117] [ INFO: inconsistent lock state ]
[ 3433.449117] 2.6.38-rc5+ #84
[ 3433.449117] ---------------------------------
[ 3433.449117] inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage.
[ 3433.449117] kswapd0/505 [HC0[0]:SC0[0]:HE1:SE1] takes:
[ 3433.449117] (iprune_sem){+++++-}, at: [<ffffffff810ebbab>] shrink_icache_memory+0x45/0x2b1
[ 3433.449117] {RECLAIM_FS-ON-W} state was registered at:
[ 3433.449117] [<ffffffff8107fe5f>] mark_held_locks+0x52/0x70
[ 3433.449117] [<ffffffff8107ff02>] lockdep_trace_alloc+0x85/0x9f
[ 3433.449117] [<ffffffff810d353d>] slab_pre_alloc_hook+0x18/0x3c
[ 3433.449117] [<ffffffff810d3fd5>] kmem_cache_alloc+0x23/0xa2
[ 3433.449117] [<ffffffff8127be77>] idr_pre_get+0x2d/0x6f
[ 3433.449117] [<ffffffff815434eb>] p9_idpool_get+0x30/0xae
[ 3433.449117] [<ffffffff81540123>] p9_client_rpc+0xd7/0x9b0
[ 3433.449117] [<ffffffff815427b0>] p9_client_clunk+0x88/0xdb
[ 3433.449117] [<ffffffff811d56e5>] v9fs_evict_inode+0x3c/0x48
[ 3433.449117] [<ffffffff810eb511>] evict+0x1f/0x87
[ 3433.449117] [<ffffffff810eb5c0>] dispose_list+0x47/0xe3
[ 3433.449117] [<ffffffff810eb8da>] evict_inodes+0x138/0x14f
[ 3433.449117] [<ffffffff810d90e2>] generic_shutdown_super+0x57/0xe8
[ 3433.449117] [<ffffffff810d91e8>] kill_anon_super+0x11/0x50
[ 3433.449117] [<ffffffff811d4951>] v9fs_kill_super+0x49/0xab
[ 3433.449117] [<ffffffff810d926e>] deactivate_locked_super+0x21/0x46
[ 3433.449117] [<ffffffff810d9e84>] deactivate_super+0x40/0x44
[ 3433.449117] [<ffffffff810ef848>] mntput_no_expire+0x100/0x109
[ 3433.449117] [<ffffffff810f0aeb>] sys_umount+0x2f1/0x31c
[ 3433.449117] [<ffffffff8102c87b>] system_call_fastpath+0x16/0x1b
[ 3433.449117] irq event stamp: 192941
[ 3433.449117] hardirqs last enabled at (192941): [<ffffffff81568dcf>] _raw_spin_unlock_irq+0x2b/0x30
[ 3433.449117] hardirqs last disabled at (192940): [<ffffffff810b5f97>] shrink_inactive_list+0x290/0x2f5
[ 3433.449117] softirqs last enabled at (188470): [<ffffffff8105fd65>] __do_softirq+0x133/0x152
[ 3433.449117] softirqs last disabled at (188455): [<ffffffff8102d7cc>] call_softirq+0x1c/0x28
[ 3433.449117]
[ 3433.449117] other info that might help us debug this:
[ 3433.449117] 1 lock held by kswapd0/505:
[ 3433.449117] #0: (shrinker_rwsem){++++..}, at: [<ffffffff810b52e2>] shrink_slab+0x38/0x15f
[ 3433.449117]
[ 3433.449117] stack backtrace:
[ 3433.449117] Pid: 505, comm: kswapd0 Not tainted 2.6.38-rc5+ #84
[ 3433.449117] Call Trace:
[ 3433.449117] [<ffffffff8107fbce>] ? valid_state+0x17e/0x191
[ 3433.449117] [<ffffffff81036896>] ? save_stack_trace+0x28/0x45
[ 3433.449117] [<ffffffff81080426>] ? check_usage_forwards+0x0/0x87
[ 3433.449117] [<ffffffff8107fcf4>] ? mark_lock+0x113/0x22c
[ 3433.449117] [<ffffffff8108105f>] ? __lock_acquire+0x37a/0xcf7
[ 3433.449117] [<ffffffff8107fc0e>] ? mark_lock+0x2d/0x22c
[ 3433.449117] [<ffffffff81081077>] ? __lock_acquire+0x392/0xcf7
[ 3433.449117] [<ffffffff810b14d2>] ? determine_dirtyable_memory+0x15/0x28
[ 3433.449117] [<ffffffff81081a33>] ? lock_acquire+0x57/0x6d
[ 3433.449117] [<ffffffff810ebbab>] ? shrink_icache_memory+0x45/0x2b1
[ 3433.449117] [<ffffffff81567d85>] ? down_read+0x47/0x5c
[ 3433.449117] [<ffffffff810ebbab>] ? shrink_icache_memory+0x45/0x2b1
[ 3433.449117] [<ffffffff810ebbab>] ? shrink_icache_memory+0x45/0x2b1
[ 3433.449117] [<ffffffff810b5385>] ? shrink_slab+0xdb/0x15f
[ 3433.449117] [<ffffffff810b69bc>] ? kswapd+0x574/0x96a
[ 3433.449117] [<ffffffff810b6448>] ? kswapd+0x0/0x96a
[ 3433.449117] [<ffffffff810714e2>] ? kthread+0x7d/0x85
[ 3433.449117] [<ffffffff8102d6d4>] ? kernel_thread_helper+0x4/0x10
[ 3433.449117] [<ffffffff81569200>] ? restore_args+0x0/0x30
[ 3433.449117] [<ffffffff81071465>] ? kthread+0x0/0x85
[ 3433.449117] [<ffffffff8102d6d0>] ? kernel_thread_helper+0x0/0x10
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 441c793a56502638d45d5da2195056d686147370 |
|
13-Jan-2011 |
Shan Wei <shanwei@cn.fujitsu.com> |
net: cleanup unused macros in net directory
Clean up some unused macros in net/*.
1. be left for code change. e.g. PGV_FROM_VMALLOC, PGV_FROM_VMALLOC, KMEM_SAFETYZONE.
2. never be used since introduced to kernel.
e.g. P9_RDMA_MAX_SGE, UTIL_CTRL_PKT_SIZE.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Acked-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| 1d6400c7c9cfd38976b25d55b357200ad3ff1be9 |
|
13-Sep-2010 |
Davidlohr Bueso <dave@gnu.org> |
net/9p: fix memory handling/allocation in rdma_request()
Return -ENOMEM when erroring on kmalloc and fix memory leaks when returning on error.
Signed-off-by: Davidlohr Bueso <dave@gnu.org>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 3fa21e07e6acefa31f974d57fba2b6920a7ebd1a |
|
18-May-2010 |
Joe Perches <joe@perches.com> |
net: Remove unnecessary returns from void function()s
This patch removes from net/ (but not any netfilter files)
all the unnecessary return; statements that precede the
last closing brace of void functions.
It does not remove the returns that are immediately
preceded by a label as gcc doesn't like that.
Done via:
$ grep -rP --include=*.[ch] -l "return;\n}" net/ | \
xargs perl -i -e 'local $/ ; while (<>) { s/\n[ \t\n]+return;\n}/\n}/g; print; }'
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| 5a0e3ad6af8660be21ca98a971cd00f331318c05 |
|
24-Mar-2010 |
Tejun Heo <tj@kernel.org> |
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
|
| d8c8a9e36560e9ff4c99279d64ce5dd0e1a33fa6 |
|
08-Feb-2010 |
Eric Van Hensbergen <ericvh@gmail.com> |
9p: fix option parsing
Options pointer is being moved before calling kfree() which seems
to cause problems. This uses a separate pointer to track and free
original allocation.
Signed-off-by: Venkateswararao Jujjuri <jvrao@us.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>w
|
| 0e15597ebfe00e28857185f46aba00f400480ffe |
|
19-Jul-2009 |
Abhishek Kulkarni <adkulkar@umail.iu.edu> |
9p: minor comment fixes
Fix the comments -- mostly the improper and/or missing descriptions
of function parameters.
Signed-off-by: Abhishek Kulkarni <adkulkar@umail.iu.edu>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 1bab88b2310998de18b32529a27ea835d164254a |
|
05-Apr-2009 |
Latchesar Ionkov <lucho@ionkov.net> |
net/9p: handle correctly interrupted 9P requests
Currently the 9p code crashes when a operation is interrupted, i.e. for
example when the user presses ^C while reading from a file.
This patch fixes the code that is responsible for interruption and flushing
of 9P operations.
Signed-off-by: Latchesar Ionkov <lucho@ionkov.net>
|
| cf005b1d0e34d8c964347331c43de089c674a5a1 |
|
22-Nov-2008 |
Qinghuang Feng <qhfeng.kernel@gmail.com> |
net: remove redundant argument comments
Remove redundant argument comments in files of net/*
Signed-off-by: Qinghuang Feng <qhfeng.kernel@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| 1558c6214904c636d5a37f05f84202d6cdd9cff8 |
|
27-Oct-2008 |
Huang Weiyi <weiyi.huang@gmail.com> |
9p: rdma: remove duplicated #include
Removed duplicated #include <rdma/ib_verbs.h> in
net/9p/trans_rdma.c.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| 517ac45af4b55913587279d89001171c222f22e7 |
|
23-Oct-2008 |
Tom Tucker <tom@opengridcomputing.com> |
9p: rdma: Set trans prior to requesting async connection ops
The RDMA connection manager is fundamentally asynchronous.
Since the async callback context is the client pointer, the
transport in the client struct needs to be set prior to calling
the first async op.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
|
| ab2910921064b657610a3b501358a305e13087ea |
|
04-Nov-2008 |
Jianjun Kong <jianjun@zeuux.org> |
net: remove two duplicated #include
Removed duplicated #include <rdma/ib_verbs.h> in net/9p/trans_rdma.c
and #include <linux/thread_info.h> in net/socket.c
Signed-off-by: Jianjun Kong <jianjun@zeuux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
| fc79d4b104f0eb8c2a7242150eaf8756ced4c344 |
|
23-Oct-2008 |
Tom Tucker <tom@opengridcomputing.com> |
9p: rdma: RDMA Transport Support for 9P
This patch implements the RDMA transport provider for 9P. It allows
mounts to be performed over iWARP and IB capable network interfaces.
Signed-off-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Latchesar Ionkov <lionkov@lanl.gov>
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