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Commit Graph

689 Commits

Author SHA1 Message Date
Yan Burman
bf7cb97bc7 Merged revisions 5799-5800,5803,5807,5809,5812-5813,5815 via svnmerge from 
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/branches/3.0.x

................
  r5799 | bvassche | 2014-09-12 14:17:49 +0300 (Fri, 12 Sep 2014) | 1 line
  
  fcst/Makefile: Add release-archive target (merge r5798 from trunk)
................
  r5800 | bvassche | 2014-09-12 14:19:21 +0300 (Fri, 12 Sep 2014) | 1 line
  
  fcst: Change version number from 0.3 into 3.0.0
................
  r5803 | vlnb | 2014-09-13 04:15:12 +0300 (Sat, 13 Sep 2014) | 9 lines
  
  Merged revisions 5802 via svnmerge from 
  svn+ssh://vlnb@svn.code.sf.net/p/scst/svn/trunk
  
  ........
    r5802 | vlnb | 2014-09-12 18:13:29 -0700 (Fri, 12 Sep 2014) | 3 lines
    
    Fix autofinding SCST headers in fileio_tgt
  ........
................
  r5807 | bvassche | 2014-09-15 15:32:02 +0300 (Mon, 15 Sep 2014) | 1 line
  
  ib_srpt: Make "make -j<n> install" work for n >= 2 if "make all" has not been run first (merge r5806 from trunk)
................
  r5809 | bvassche | 2014-09-16 14:26:10 +0300 (Tue, 16 Sep 2014) | 1 line
  
  scst/src/Makefile: Make "make install" without prior "make" work (merge r5808 from trunk)
................
  r5812 | bvassche | 2014-09-17 14:14:38 +0300 (Wed, 17 Sep 2014) | 1 line
  
  scst_vdisk: Insert a blank line (merge r5810 from trunk)
................
  r5813 | bvassche | 2014-09-17 14:18:17 +0300 (Wed, 17 Sep 2014) | 2 lines
  
  vdisk_blockio: Make large COMPARE AND WRITE requests work for stacked block devices (merge r5811 from trunk)
................
  r5815 | vlnb | 2014-09-20 08:52:06 +0300 (Sat, 20 Sep 2014) | 3 lines
  
  Version updated
................


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.0.x-iser@5818 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-09-29 08:25:48 +00:00
Yan Burman
9b246065ab Merged revisions 5746-5750,5756-5757,5759,5761,5763,5765-5766,5768,5770-5778 via svnmerge from 
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/branches/3.0.x

........
  r5746 | bvassche | 2014-09-03 12:12:08 +0300 (Wed, 03 Sep 2014) | 1 line
  
  srpt/README: Fix SLES patch instructions (merge r5682 from trunk)
........
  r5747 | bvassche | 2014-09-03 12:14:20 +0300 (Wed, 03 Sep 2014) | 1 line
  
  srpt/Makefile: SLES + Mellanox OFED build fix (merge r5679:5681 from trunk)
........
  r5748 | bvassche | 2014-09-03 12:17:39 +0300 (Wed, 03 Sep 2014) | 1 line
  
  Add kernel 3.16 nightly build infrastructure (merge r5719 from trunk)
........
  r5749 | bvassche | 2014-09-03 12:19:07 +0300 (Wed, 03 Sep 2014) | 1 line
  
  ib_srpt: Kernel 3.17 build fix (merge r5725 from trunk)
........
  r5750 | bvassche | 2014-09-03 12:22:38 +0300 (Wed, 03 Sep 2014) | 1 line
  
  nightly build: Add kernel 3.16.1 (merge r5651:5720 from trunk)
........
  r5756 | bvassche | 2014-09-03 15:33:33 +0300 (Wed, 03 Sep 2014) | 1 line
  
  scst.h: Make vzalloc() available on RHEL 6.0 (merge r5752 from trunk)
........
  r5757 | bvassche | 2014-09-03 15:35:49 +0300 (Wed, 03 Sep 2014) | 2 lines
  
  scst_vdisk: RHEL 6.0 build fix (merge r5754:5755 from trunk)
........
  r5759 | bvassche | 2014-09-03 16:44:53 +0300 (Wed, 03 Sep 2014) | 1 line
  
  scst.h: RHEL 5.10 build fix (merge r5758 from trunk)
........
  r5761 | bvassche | 2014-09-03 16:53:03 +0300 (Wed, 03 Sep 2014) | 1 line
  
  scst.h: RHEL 5.10 build fix (merge r5760 from trunk)
........
  r5763 | bvassche | 2014-09-03 17:01:04 +0300 (Wed, 03 Sep 2014) | 1 line
  
  scst.h: Fix definition of __aligned() (merge r5762 from trunk)
........
  r5765 | bvassche | 2014-09-03 17:25:53 +0300 (Wed, 03 Sep 2014) | 1 line
  
  scst_vdisk: Use parentheses around && inside ||
........
  r5766 | bvassche | 2014-09-03 17:27:09 +0300 (Wed, 03 Sep 2014) | 1 line
  
  Update for kernel 3.16 (merge r5717 from trunk)
........
  r5768 | bvassche | 2014-09-04 15:45:59 +0300 (Thu, 04 Sep 2014) | 1 line
  
  ib_srpt: Version 3.0.0
........
  r5770 | bvassche | 2014-09-04 16:02:42 +0300 (Thu, 04 Sep 2014) | 1 line
  
  iscsi-scst: Build fix for IPV6=n (merge r5732 from trunk)
........
  r5771 | bvassche | 2014-09-04 16:06:38 +0300 (Thu, 04 Sep 2014) | 1 line
  
  iscsi-scst: Micro-optimize cmnd_prepare_recv_pdu() (merge r5735 from trunk)
........
  r5772 | bvassche | 2014-09-04 16:11:23 +0300 (Thu, 04 Sep 2014) | 1 line
  
  scripts/generate-patched-kernel: Fix for invocation from current directory (merge r5659 and r5745 from trunk)
........
  r5773 | bvassche | 2014-09-04 16:13:52 +0300 (Thu, 04 Sep 2014) | 1 line
  
  scripts/kernel-functions: Handle 3.x.0 kernel versions correctly (merge r5658 and r5661 from trunk)
........
  r5774 | bvassche | 2014-09-04 16:29:18 +0300 (Thu, 04 Sep 2014) | 1 line
  
  Add support for the RHEL 7 kernel (merge r5710:5711 from trunk)
........
  r5775 | bvassche | 2014-09-04 16:44:08 +0300 (Thu, 04 Sep 2014) | 1 line
  
  Forbid using '.' in PR and mode page file names (merge r5702 from trunk)
........
  r5776 | bvassche | 2014-09-04 16:46:14 +0300 (Thu, 04 Sep 2014) | 1 line
  
  scst_pres: Make a few error messages more clear (merge r5733 from trunk)
........
  r5777 | bvassche | 2014-09-04 16:49:12 +0300 (Thu, 04 Sep 2014) | 1 line
  
  Pass-through error handling fix (merge r5703 from trunk)
........
  r5778 | bvassche | 2014-09-04 16:55:04 +0300 (Thu, 04 Sep 2014) | 1 line
  
  scstadmin: Suppress a Perl warning (merge r5731 from trunk)
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.0.x-iser@5784 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-09-07 14:01:27 +00:00
Yan Burman
b990f13496 Merged revisions 5564-5565,5580,5591,5599,5604,5623,5632-5638,5645-5646,5652-5653 via svnmerge from 
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/branches/3.0.x

................
  r5564 | vlnb | 2014-06-04 06:10:31 +0300 (Wed, 04 Jun 2014) | 3 lines
  
  Initialize merging from the trunk
................
  r5565 | vlnb | 2014-06-04 06:12:05 +0300 (Wed, 04 Jun 2014) | 13 lines
  
  Merged revisions 5543,5545 via svnmerge from 
  svn+ssh://vlnb@svn.code.sf.net/p/scst/svn/trunk
  
  ........
    r5543 | bvassche | 2014-05-23 00:33:53 -0700 (Fri, 23 May 2014) | 1 line
    
    RHEL 7 build fixes
  ........
    r5545 | bvassche | 2014-05-23 01:36:36 -0700 (Fri, 23 May 2014) | 1 line
    
    scripts/rebuild-rhel-kernel-rpm: Add RHEL 7 RC support
  ........
................
  r5580 | bvassche | 2014-06-11 17:33:30 +0300 (Wed, 11 Jun 2014) | 1 line
  
  ib_srpt: Merge build and login fixes from trunk
................
  r5591 | vlnb | 2014-06-12 02:52:43 +0300 (Thu, 12 Jun 2014) | 14 lines
  
  Merged revisions 5584 via svnmerge from 
  svn+ssh://vlnb@svn.code.sf.net/p/scst/svn/trunk
  
  ........
    r5584 | vlnb | 2014-06-11 12:33:18 -0700 (Wed, 11 Jun 2014) | 8 lines
    
    scst: RHEL 5 build fix
    
    Avoid that building the scst kernel module fails on RHEL 5 due to
    a missing kvasprintf() implementation.
    
    Signed-off-by: Bart Van Assche <bvanassche@acm.org>
  ........
................
  r5599 | bvassche | 2014-06-13 09:59:13 +0300 (Fri, 13 Jun 2014) | 1 line
  
  ib_srpt: Merge from trunk
................
  r5604 | vlnb | 2014-06-14 03:31:55 +0300 (Sat, 14 Jun 2014) | 14 lines
  
  Merged revisions 5602 via svnmerge from 
  svn+ssh://vlnb@svn.code.sf.net/p/scst/svn/trunk
  
  ........
    r5602 | vlnb | 2014-06-13 16:57:26 -0700 (Fri, 13 Jun 2014) | 8 lines
    
    scst_pr_read_reservation(): Initialize returned buffer
    
    Avoid that this function returns an uninitialized buffer to the
    initiator if buffer_size < 8. Detected by Coverity.
    
    Signed-off-by: Bart Van Assche <bvanassche@acm.org>
  ........
................
  r5623 | vlnb | 2014-06-25 07:00:14 +0300 (Wed, 25 Jun 2014) | 9 lines
  
  Merged revisions 5610 via svnmerge from 
  svn+ssh://vlnb@svn.code.sf.net/p/scst/svn/trunk
  
  ........
    r5610 | vlnb | 2014-06-18 20:51:48 -0700 (Wed, 18 Jun 2014) | 3 lines
    
    Update for 3.15 kernels
  ........
................
  r5632 | bvassche | 2014-06-29 08:18:01 +0300 (Sun, 29 Jun 2014) | 1 line
  
  scst_vdisk: 32-bit build fix (merge r5629 from trunk)
................
  r5633 | bvassche | 2014-06-29 08:20:31 +0300 (Sun, 29 Jun 2014) | 1 line
  
  ib_srpt: Remove existing ib_srpt.ko kernel modules before installation (merge r5621, r5628 and r5630 from trunk)
................
  r5634 | bvassche | 2014-06-29 08:22:58 +0300 (Sun, 29 Jun 2014) | 1 line
  
  Skip "depmod" while building an RPM (merge r5612 from trunk)
................
  r5635 | bvassche | 2014-06-29 08:24:11 +0300 (Sun, 29 Jun 2014) | 1 line
  
  ib_srpt: Set SCSI residual fields in SRP_CMD reply (merge r5622 from trunk)
................
  r5636 | bvassche | 2014-06-29 08:25:55 +0300 (Sun, 29 Jun 2014) | 1 line
  
  nightly build: Add kernel 3.15 build infrastructure (merge r5611 from trunk)
................
  r5637 | bvassche | 2014-06-29 08:27:14 +0300 (Sun, 29 Jun 2014) | 1 line
  
  regression tests: Sort hash keys before comparing (merge r5582 from trunk)
................
  r5638 | bvassche | 2014-06-29 08:28:45 +0300 (Sun, 29 Jun 2014) | 1 line
  
  regression tests: Sync with a recent sysfs change (merge r5581 from trunk)
................
  r5645 | bvassche | 2014-06-29 09:00:05 +0300 (Sun, 29 Jun 2014) | 1 line
  
  nightly build, scripts: Merge from trunk (r5533:r5642)
................
  r5646 | bvassche | 2014-06-29 09:10:22 +0300 (Sun, 29 Jun 2014) | 2 lines
  
  scst: Switch from the cpu_*() to the cpumask_*() API (merge r5596 from trunk)
................
  r5652 | bvassche | 2014-06-30 13:23:11 +0300 (Mon, 30 Jun 2014) | 1 line
  
  nightly build: Merge r5642:r5651 from trunk
................
  r5653 | bvassche | 2014-06-30 13:25:24 +0300 (Mon, 30 Jun 2014) | 1 line
  
  scst: Build fixes for kernel versions <= 2.6.34 (merge r5647 and r5648 from trunk)
................


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.0.x-iser@5665 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-07-07 10:28:33 +00:00
Bart Van Assche
909abff111 ib_srpt: Source code comment spelling fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5518 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-05-12 15:56:45 +00:00
Bart Van Assche
d3d094d160 ib_srpt: Fix two recently introduced checkpatch complaints about whitespace 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5498 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-30 05:30:45 +00:00
Bart Van Assche
424b231e96 ib_srpt: Make LUN masking work again 
This patch fixes a regression that was introduced in r5493.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5495 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-29 12:39:50 +00:00
Bart Van Assche
607487caca ib_srpt, README: Fix RDMA/CM login instructions 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5494 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-29 12:35:41 +00:00
Bart Van Assche
6cbe580d89 ib_srpt: Unload properly with RDMA/CM disabled 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5474 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-24 18:43:41 +00:00
Bart Van Assche
99b7abe259 ib_srpt, Makefile: Introduce the OFED_KERNEL_DIR variable 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5473 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-24 12:27:00 +00:00
Bart Van Assche
eae0318512 ib_srpt: Make srpt_disconnect_ch() close sessions properly that have not yet reached the connected state 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5472 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-24 11:11:26 +00:00
Bart Van Assche
cd0dcb32ab ib_srpt: Add support in the Makefile for MLNX OFED and for OFED 3.x 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5471 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-24 10:38:37 +00:00
Bart Van Assche
a4a01d6675 ib_srpt: OFED 3.12 build fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5470 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-24 10:37:58 +00:00
Bart Van Assche
54a84dff08 ib_srpt: Clean up the CM event handling messages (part 3) 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5462 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 13:38:54 +00:00
Bart Van Assche
4181477639 ib_srpt: RHEL 5.9 build fix (part 2) 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5461 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 09:20:52 +00:00
Bart Van Assche
3f76f4e792 ib_srpt, RDMA/CM: Avoid hanging sessions due to a cable pull 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5460 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 09:04:15 +00:00
Bart Van Assche
05c8c1548c ib_srpt: Clean up the CM event handling code (part 2) 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5459 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 09:02:29 +00:00
Bart Van Assche
8fd1252268 ib_srpt: Clean up the CM event handling code 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5458 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 08:59:18 +00:00
Bart Van Assche
dafaa63ea0 ib_srpt: RHEL 5.9 build fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5457 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-23 08:57:17 +00:00
Bart Van Assche
c0d9aee18e ib_srpt: RHEL 6.5 build fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5447 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:44:48 +00:00
Bart Van Assche
fc18736ce4 ib_srpt: Build fix for kernel versions < 3.0 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5446 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:38:39 +00:00
Bart Van Assche
fa58faf95b ib_srpt: Add RDMA/CM support 
Or in other words, add RoCE and iWARP support.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5445 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:22:30 +00:00
Bart Van Assche
c29fd6f34d ib_srpt: Move the code for checking the QP timeout 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5444 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:11:18 +00:00
Bart Van Assche
f234b9db8a ib_srpt: Use a mutex instead of a spinlock to protect the channel list 
This is allowed because all CM callback functions are invoked from thread
context.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5443 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:10:47 +00:00
Bart Van Assche
97241d4e29 ib_srpt: Prepare RDMA/CM support 
Move IB/CM members into a new struct. Report channel pointer instead of CM ID
pointer in diagnostic messages.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5442 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:09:33 +00:00
Bart Van Assche
ffb6115cb9 ib_srpt: Remove a superfluous check from the REQ handler 
ib_send_cm_rep() checks the connection state before sending a response.
Hence checking ch->state before calling ib_send_cm_rep() is superfluous,
so remove that check and also the locking that is no longer needed.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5441 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:08:00 +00:00
Bart Van Assche
4377509628 ib_srpt: Move IB/CM knowledge out of srpt_cm_req_recv() 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5440 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 12:04:05 +00:00
Bart Van Assche
ac079a1545 ib_srpt: Update README 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5439 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 11:09:55 +00:00
Bart Van Assche
2b2b47bb85 nightly build: Add kernel 3.14 build infrastructure 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5433 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-18 05:50:04 +00:00
Bart Van Assche
f589744f58 ib_srpt: Remove a superfluous assignment 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5427 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-16 09:14:31 +00:00
Bart Van Assche
4acf8e249f ib_srpt: Cache P_Key lookups 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5426 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-16 08:23:11 +00:00
Bart Van Assche
5b7e52b654 ib_srpt: Clean up the code that prints the dgid during login 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5425 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-16 08:08:50 +00:00
Bart Van Assche
8c8c9534ee ib_srpt: Constify two arguments of srpt_get_nexus() 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5424 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-16 08:01:58 +00:00
Bart Van Assche
3f59c15917 ib_srpt: Disable RDMA access by the initiator 
With the SRP protocol all RDMA operations are initiated by the target.
Since no RDMA operations are initiated by the initiator, do not grant
the initiator permission to submit RDMA reads or writes to the target.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5423 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-16 07:30:34 +00:00
Bart Van Assche
679d1c637e ib_srpt: Fix a sparse warning 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5413 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-15 06:03:59 +00:00
Bart Van Assche
b668ab5a6e ib_srpt: RHEL 6.5 build fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5403 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-04-03 15:58:16 +00:00
Bart Van Assche
c196d7bbcd ib_srpt: Make srpt_abort_cmd() state checks more strict 
Complain if srpt_abort_cmd() is called for an I/O context that is
being processed by SCST and not by the HCA.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5393 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 12:00:43 +00:00
Bart Van Assche
6944885268 ib_srpt: Suppress superfluous error messages 
Only complain about a missing completion for I/O contexts that are
in a state where the ib_srpt driver is waiting for the HCA.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5392 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 11:59:37 +00:00
Bart Van Assche
fa5aab6390 ib_srpt: Clean up srpt_handle_rdma_err_comp() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5391 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 11:58:25 +00:00
Bart Van Assche
047e51173a ib_srpt: Clean up srpt_handle_send_err_comp() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5390 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 11:56:59 +00:00
Bart Van Assche
464b182c2b ib_srpt: Clean up srpt_handle_rdma_comp() 
This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5389 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 11:56:13 +00:00
Bart Van Assche
e72f83a05a ib_srpt: Avoid waiting for missing error completions 
Apparently with mlx4 firmware up to and including 2.30.8000 it is not
guaranteed that for a QP associated with an SRQ error completions are
generated for all pending work requests. Avoid triggering
srpt_pending_cmd_timeout() for missing error completions.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5370 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 12:07:43 +00:00
Bart Van Assche
b95b1f4d6c ib_srpt: Add a kernel warning 
Invoking srpt_zerolength_write() before the queue pair has reached
the error state is a bug, so complain loudly if that happens.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5369 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 12:04:44 +00:00
Bart Van Assche
ada7c26a2e ib_srpt: Fix a kernel warning 
Avoid that the following (very rare) kernel warning is reported
when an ib_srpt target port is disabled while I/O is ongoing:

WARNING: CPU: 3 PID: 12259 at srpt/src/ib_srpt.c:3334 srpt_xmit_response+0x165/0x300 [ib_srpt]()
Unexpected command state 6
Call Trace:
 [<ffffffff814a15dc>] dump_stack+0x4e/0x7a
 [<ffffffff8104bc5d>] warn_slowpath_common+0x7d/0xa0
 [<ffffffff8104bccc>] warn_slowpath_fmt+0x4c/0x50
 [<ffffffffa0771525>] srpt_xmit_response+0x165/0x300 [ib_srpt]
 [<ffffffffa082aacc>] scst_xmit_response+0xbc/0x560 [scst]
 [<ffffffffa083123d>] scst_process_active_cmd+0x29d/0x7b0 [scst]
 [<ffffffffa0832bd9>] scst_do_job_active+0x89/0x1a0 [scst]
 [<ffffffffa0832e4f>] scst_cmd_thread+0x15f/0x350 [scst]
 [<ffffffff810766cd>] kthread+0xed/0x110
 [<ffffffff814b312c>] ret_from_fork+0x7c/0xb0
---[ end trace 591f7af7d006fc0e ]---


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5368 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 12:03:09 +00:00
Bart Van Assche
de3ed1e6ec ib_srpt: Micro-optimize srpt_adjust_srq_wr_avail() 
The overhead of atomic_add_return() is lower than that of a
spin_lock() / spin_unlock() pair, hence switch to the former.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5367 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 12:01:07 +00:00
Bart Van Assche
a0cd399507 ib_srpt: Clean up srpt_destroy_ch_ib() 
All callers guarantee that the completion queue is empty so it is
not necessary to invoke ib_poll_cq() from inside this function.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5366 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 11:59:27 +00:00
Bart Van Assche
a4cf36ba4e ib_srpt: Change the severity level of a log message 
Make sure that target port state changes get logged even with
debugging disabled.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5365 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 11:57:39 +00:00
Bart Van Assche
b40f69db8b ib_srpt: Add newline at the end of kernel warning statements 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5364 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 11:55:56 +00:00
Bart Van Assche
d1e1e480ed ib_srpt: Clarify a kernel-doc comment 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5363 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-24 11:53:00 +00:00
Bart Van Assche
3c5a901bf0 srpt/Makefile: Avoid that the build process depends on source control tools 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5361 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-21 16:29:26 +00:00
Bart Van Assche
46b583a918 srpt/session-management.txt: Document how sessions are managed by the ib_srpt driver 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5358 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-20 15:26:48 +00:00