Bart Van Assche
d08012d8cd
ib_srpt: Inline srpt_release_channel()
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3629 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-26 13:33:09 +00:00
Bart Van Assche
3e6f7ba432
ib_srpt: Document known max_sge limitations
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3628 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-26 07:20:49 +00:00
Bart Van Assche
85ac2c728b
ib_srpt: Works again on mthca (not tested yet). A quote from the OFED 1.2.5
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release notes (docs/mthca_release_notes.txt), section "3. Known Issues":
3. In mem-free devices, RC QPs can be created with a maximum of (max_sge - 3)
entries only.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3627 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-25 19:32:32 +00:00
Bart Van Assche
5484d6dfc4
ib_srpt: Eliminate the magic constant SRPT_DEF_SG_PER_WQE
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3626 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-25 19:13:50 +00:00
Bart Van Assche
fd5df29c9c
ib_srpt: Remove two superfluous blank lines
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3607 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-22 19:28:15 +00:00
Bart Van Assche
6020683851
ib_srpt: Update dynamic LUN documentation
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3589 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-18 11:40:06 +00:00
Bart Van Assche
feab0a9fe9
ib_srpt README: Add a paragraph about adding and removing LUNs dynamically
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3585 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-17 17:53:06 +00:00
Bart Van Assche
00efb5c667
ib_srpt: Internal change to the credit algorithm. No externally observable behavior is changed.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3575 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:38:18 +00:00
Bart Van Assche
93da6cc2b9
ib_srpt: Convert srpt_rdma_ch.sq_wr_avail from an atomic into a spinlock-protected integer
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3574 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:35:41 +00:00
Bart Van Assche
cee16c8117
ib_srpt: Disable IB completion notifcations after having received the LAST_WQE notification / show how many SCST commands are still in progress while waiting for session unregistration
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3573 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:32:10 +00:00
Bart Van Assche
46f0460602
ib_srpt: Export RDMA channel state to sysfs
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3572 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:26:51 +00:00
Bart Van Assche
0e3137524d
ib_srpt: Make srpt_rdy_to_xfer() handle IB send queue overflow correctly.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3571 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:22:33 +00:00
Bart Van Assche
82d03efb88
ib_srpt: Restore timeout handler (reverts r3537).
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3570 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-13 12:19:01 +00:00
Bart Van Assche
7943d6466e
ib_srpt: Use a spinlock to protect ch->req_lim and ch->req_lim_delta changes instead of using atomics. Reduces the time spent in the ib_srpt_compl thread with a little bit more than 10%.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3558 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-08 18:13:30 +00:00
Bart Van Assche
aa78149881
ib_srpt: Update test instructions.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3557 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-08 18:05:44 +00:00
Bart Van Assche
ab69b20fe2
ib_srpt: Fix a recently introduced RHEL 5 / CentOS 5 deadlock triggered by initiator logout
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3545 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 10:00:57 +00:00
Bart Van Assche
ce81f59468
ib_srpt: Simplify IB CM code
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3544 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 09:59:17 +00:00
Bart Van Assche
2ed01977da
ib_srpt: Fix a spelling error
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3543 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 09:58:32 +00:00
Bart Van Assche
a43b1b63fc
ib_srpt: Add a BUG_ON() statement
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3542 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 09:58:03 +00:00
Bart Van Assche
1061f1cf43
ib_srpt: Fix a recently introduced leak in an error path
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3541 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 09:57:35 +00:00
Bart Van Assche
8aacdf09ef
ib_srpt: Remove an unused variable
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3540 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-05 09:56:58 +00:00
Bart Van Assche
3684b6394e
ib_srpt: Convert a PRINT_INFO() statement into a TRACE_DBG() statement
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3539 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 18:17:01 +00:00
Bart Van Assche
6fdc0baaaa
ib_srpt: Build fix for non-RHEL pre-2.6.25 kernels.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3538 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 18:10:45 +00:00
Bart Van Assche
0239f80a94
ib_srpt: Remove srpt_pending_cmd_timeout() because it is never invoked
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3537 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 17:51:46 +00:00
Bart Van Assche
7d3bd0ee6d
ib_srpt: Relax I/O context locking
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3536 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 17:50:54 +00:00
Bart Van Assche
c2bd2e8bf5
ib_srpt: Remove "thread" kernel module parameter and keep thread=1 behavior - the other two modes could cause soft lockup complaints
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3535 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 17:50:19 +00:00
Bart Van Assche
edf466ba9f
ib_srpt: Add more TRACE_ENTRY()/TRACE_EXIT() macros
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3534 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 17:48:14 +00:00
Bart Van Assche
bd8b360569
ib_srpt: Reduce number of context switches during I/O for mode thread=1.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3533 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 14:37:56 +00:00
Bart Van Assche
b9f4ee7bc8
ib_srpt: Fix a (hard to trigger) race with regard to SRP login.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3532 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 14:32:22 +00:00
Bart Van Assche
bc913e9258
ib_srpt: Rework channel closing
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3531 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 14:27:45 +00:00
Bart Van Assche
f1beb1d82d
ib_srpt: Eliminate a kmalloc(GFP_ATOMIC) call
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3530 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 14:06:12 +00:00
Bart Van Assche
b86ea97241
ib_srpt: Update test plan
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3529 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 13:45:16 +00:00
Bart Van Assche
316ba64801
ib_srpt: Revert r3522.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3528 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 12:37:09 +00:00
Bart Van Assche
32725f9048
ib_srpt: Introduce the function srpt_set_ch_state_to_draining()
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3527 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 12:36:03 +00:00
Bart Van Assche
554dad3475
ib_srpt: Remove a superfluous break statement
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3526 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 12:33:57 +00:00
Bart Van Assche
0e435ce468
Reverted r3521.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3525 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-04 12:24:41 +00:00
Bart Van Assche
5736aadf0d
ib_srpt: Silence a compiler warning.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3522 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-03 07:03:31 +00:00
Bart Van Assche
bdc209d520
ib_srpt: Removed a superfluous if-statement. This is a micro-optimization.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3521 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 19:13:06 +00:00
Bart Van Assche
073a504cd3
ib_srpt: Another follow-up for r3515.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3520 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 19:12:29 +00:00
Bart Van Assche
1395c41108
ib_srpt: Builds again on RHEL 5.x
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3518 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 16:04:13 +00:00
Bart Van Assche
864b679c38
Only #include <linux/version.h> if necessary.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3517 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 14:55:54 +00:00
Bart Van Assche
b88aee7393
ib_srpt: follow-up for r3515.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3516 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 14:54:51 +00:00
Bart Van Assche
177a6c915e
ib_srpt: Eliminate srpt_rdma_ch.processing_compl.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3515 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 14:35:14 +00:00
Bart Van Assche
1bbda55d42
ib_srpt: Eliminate srpt_rdma_ch.wait_queue
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3514 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 14:27:17 +00:00
Bart Van Assche
d3de2b58ae
ib_srpt: Fixed srp_max_rsp_size kernel module parameter description.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3512 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-02 10:04:22 +00:00
Bart Van Assche
37228bf6d1
ib_srpt: removed thread start/stop messages.
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3506 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-01 17:26:09 +00:00
Bart Van Assche
dc65372a4d
ib_srpt: Coding style fixes
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3492 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-06-01 06:32:47 +00:00
Vladislav Bolkhovitin
805f38cd4f
Docs about how to migrate from the deprecated ib_srpt_target_X layout updated
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3472 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-05-23 19:24:41 +00:00
Bart Van Assche
85bcb19a36
Added remaining files necessary for supporting 2.6.39 (these are copies of the 2.6.38 equivalents).
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3465 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-05-20 16:38:57 +00:00
Vladislav Bolkhovitin
802838d27b
HCAs GUIDs should be used as target names
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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3397 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-20 22:51:51 +00:00