vlnb [Tue, 6 Apr 2010 08:57:48 +0000 (08:57 +0000)]
Copyrights updated
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1585
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bvassche [Sun, 4 Apr 2010 13:27:24 +0000 (13:27 +0000)]
Changes:
- Process the pattern [01] && defined(...) properly.
- Added command-line option -d (debug) to generate-kernel-patch.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1582
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bvassche [Sun, 4 Apr 2010 11:55:37 +0000 (11:55 +0000)]
RHEL 5 / CentOS 5 bug fix: the argument of flush_workqueue() is a workqueue
pointer, not a struct work pointer.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1581
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bvassche [Sun, 4 Apr 2010 11:32:02 +0000 (11:32 +0000)]
Builds again on RHEL 5.x / CentOS 5.x.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1580
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bvassche [Fri, 2 Apr 2010 16:38:15 +0000 (16:38 +0000)]
Added timeout handling for IB completions, in case it would ever happen
that a HCA does not send an IB completion for an RDMA operation or IB send.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1579
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bvassche [Fri, 2 Apr 2010 10:41:09 +0000 (10:41 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1578
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bvassche [Thu, 1 Apr 2010 10:54:46 +0000 (10:54 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1577
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bvassche [Thu, 1 Apr 2010 10:53:41 +0000 (10:53 +0000)]
Fixed two more compiler warnings.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1576
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bvassche [Wed, 31 Mar 2010 18:04:23 +0000 (18:04 +0000)]
Changes:
- Fixed a rare lockup triggered by module removal while I/O was ongoing.
- Made sure that IB cable removal works fine.
- Exported srpt_service_guid via sysfs.
- Made sure that ib_srpt.c compiles fine with #undef CONFIG_SCST_PROC.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1575
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vlnb [Wed, 31 Mar 2010 11:42:15 +0000 (11:42 +0000)]
- Improve errors reporting
- Fix minor race for sense buffer allocation
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1574
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vlnb [Wed, 31 Mar 2010 11:10:08 +0000 (11:10 +0000)]
Fix for compilaion issue with kernels between .18 < and .25.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1573
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bvassche [Wed, 31 Mar 2010 09:18:28 +0000 (09:18 +0000)]
Fixed several compiler warnings.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1572
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bvassche [Wed, 31 Mar 2010 06:51:51 +0000 (06:51 +0000)]
Fixed a format specification mismatch.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1571
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vlnb [Tue, 30 Mar 2010 11:28:20 +0000 (11:28 +0000)]
- Some reference leaks fixed
- Updated to compile on pre-2.6.25 kernels
- Small docs updates
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1570
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bvassche [Sat, 27 Mar 2010 10:40:13 +0000 (10:40 +0000)]
Converted function, enum and struct documentation to kernel-doc style.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1569
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bvassche [Sat, 27 Mar 2010 08:46:06 +0000 (08:46 +0000)]
Fixed several compiler and checkpatch warnings.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1568
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bvassche [Sat, 27 Mar 2010 08:45:18 +0000 (08:45 +0000)]
Fixed checkpatch complaints about whitespace.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1567
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bvassche [Sat, 27 Mar 2010 08:27:21 +0000 (08:27 +0000)]
Removed trailing whitespace.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1566
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vlnb [Fri, 26 Mar 2010 19:46:41 +0000 (19:46 +0000)]
Small cleanups and improvements
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1565
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vlnb [Thu, 25 Mar 2010 19:47:28 +0000 (19:47 +0000)]
Document that the io_context patch isn't needed anymore
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1564
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vlnb [Thu, 25 Mar 2010 19:43:41 +0000 (19:43 +0000)]
Great threads handling and performance improvements:
- io_context not needed anymore
- Now threads pool can be per session
- Each device now can have own type of threads pool with own threads count
+ docs updates and some cleanups and minor fixes.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1563
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vlnb [Tue, 23 Mar 2010 14:08:17 +0000 (14:08 +0000)]
Small web fixes
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1562
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vlnb [Fri, 19 Mar 2010 11:47:42 +0000 (11:47 +0000)]
dos2unix
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1561
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vlnb [Fri, 19 Mar 2010 11:44:39 +0000 (11:44 +0000)]
Fix minor mistake
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1560
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vlnb [Thu, 18 Mar 2010 19:29:31 +0000 (19:29 +0000)]
Addressing method docs updated
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1559
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vlnb [Thu, 18 Mar 2010 18:17:06 +0000 (18:17 +0000)]
Deeply reworked patch from Mehmet Ali Cer <mehmet.ali.cer@gmail.com> implementing flat LUNs addressing methods required by some operation systems.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1558
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vlnb [Thu, 18 Mar 2010 12:05:11 +0000 (12:05 +0000)]
Remake CONFIG_SCST_STRICT_SERIALIZING in a more simple and straightforward way using ORDERED attribute
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1557
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vlnb [Thu, 18 Mar 2010 11:44:39 +0000 (11:44 +0000)]
Uniform max queue depth handling in iSCSI
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1556
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vlnb [Wed, 17 Mar 2010 19:41:16 +0000 (19:41 +0000)]
Fix for possible requirsive target_mutex taking
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1554
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vlnb [Wed, 17 Mar 2010 19:11:18 +0000 (19:11 +0000)]
Add new scst_cmd_get_queue_type()/scst_cmd_set_queue_type() accessors and use them in target drivers instead of direct access to SCST's cmd->queue_type.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1553
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vlnb [Wed, 17 Mar 2010 18:45:23 +0000 (18:45 +0000)]
Fix copy_to_user()/copy_from_user() wrong reeturn value processing
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1552
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vlnb [Wed, 17 Mar 2010 18:05:31 +0000 (18:05 +0000)]
Some speedup for massive targets deletions
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1549
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vlnb [Wed, 17 Mar 2010 17:40:17 +0000 (17:40 +0000)]
Set bufflen for not expected transfer len case to max to allow, e.g., to get immediate iSCSI data. Otherwise, the iSCSI target will get a too low buffer error and have to close connection.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1548
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vlnb [Wed, 17 Mar 2010 14:03:41 +0000 (14:03 +0000)]
Patch from Alexey Obitotskiy <alexeyo1@open-e.com> (with changes) implementing support limiting number of sessions for a target (MaxSessions)
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1547
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vlnb [Wed, 17 Mar 2010 12:56:35 +0000 (12:56 +0000)]
Key mark for explicit confirmations added
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1546
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vlnb [Wed, 17 Mar 2010 12:48:21 +0000 (12:48 +0000)]
Minor docs update
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1545
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vlnb [Tue, 16 Mar 2010 18:38:13 +0000 (18:38 +0000)]
Web updates
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1544
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bvassche [Mon, 15 Mar 2010 19:25:29 +0000 (19:25 +0000)]
Clarified a source code comment.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1543
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vlnb [Sat, 13 Mar 2010 11:59:24 +0000 (11:59 +0000)]
- SysfsRules file added
- Other docs updated
- ini_group renamed to ini_groups
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1542
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vlnb [Wed, 10 Mar 2010 17:57:39 +0000 (17:57 +0000)]
Small docs updates
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1541
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vlnb [Wed, 10 Mar 2010 12:51:04 +0000 (12:51 +0000)]
- Limit devices names to avoid confusions with truncated names
- For sysfs build remove scst_vdisk_ID module parameter and introduce setup_id sysfs attribute with the same goal
- Minor fixes
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1540
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vlnb [Wed, 10 Mar 2010 11:56:15 +0000 (11:56 +0000)]
Make enable_target() interface more clear
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1539
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vlnb [Tue, 9 Mar 2010 19:36:48 +0000 (19:36 +0000)]
- Dev handler sysfs interface changed to match new unified rules
- Docs updated
- Other minor fixes, improvements and cleanups
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1538
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vlnb [Tue, 9 Mar 2010 11:21:27 +0000 (11:21 +0000)]
Remove accidental double cmnd_exec_logout() call noticed by Alexey Obitotskiy <alexeyo1@open-e.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1537
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vlnb [Tue, 9 Mar 2010 11:13:50 +0000 (11:13 +0000)]
This patch allows for SCST_USER_PARSE to return status and abort commands execution on the parse stage.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1536
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vlnb [Fri, 5 Mar 2010 17:53:27 +0000 (17:53 +0000)]
Patch from Alexey Obitotskiy <alexeyo1@open-e.com> implementing EUI-64 identifier for 0x83 VPD page
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1535
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vlnb [Fri, 5 Mar 2010 13:09:30 +0000 (13:09 +0000)]
Forgotted piece of noop -> nop rename
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1534
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vlnb [Fri, 5 Mar 2010 12:56:20 +0000 (12:56 +0000)]
Deeply reworked patch from Alexey Obitotskiy <alexeyo1@open-e.com> implementing support for sending NOP-In requests
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1533
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bvassche [Wed, 3 Mar 2010 19:36:05 +0000 (19:36 +0000)]
Updated error messages -- req_lim < 0 is not an internal error but can be caused by a buggy initiator.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1532
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bvassche [Wed, 3 Mar 2010 19:29:37 +0000 (19:29 +0000)]
Added missing space in an error message.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1531
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vlnb [Wed, 3 Mar 2010 10:57:53 +0000 (10:57 +0000)]
If a device set read-only in a security group, it should also be reported in MODE SENSE
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1530
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vlnb [Tue, 2 Mar 2010 17:58:44 +0000 (17:58 +0000)]
Follow up to the previous commit
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1529
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vlnb [Tue, 2 Mar 2010 17:32:23 +0000 (17:32 +0000)]
- Makes initial pass-through devices checks less strict. The main reason for that is because not all devices comply SCSI requirements too well.
- Workarounds in vdisk readv/writev limitation to process only limited number of entries per call
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1528
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vlnb [Mon, 1 Mar 2010 19:41:14 +0000 (19:41 +0000)]
Fixes crash on very big buffers allocations reported by Matteo Tescione <matteo@rmnet.it> and others
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1527
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jeykholt [Mon, 1 Mar 2010 18:35:36 +0000 (18:35 +0000)]
fcst: fix abort handling
Call scst_tgt_cmd_done() on aborted commands.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1526
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bvassche [Mon, 1 Mar 2010 17:32:38 +0000 (17:32 +0000)]
scripts/run-regression-tests works now for the 2.6.33 kernel too.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1525
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vlnb [Mon, 1 Mar 2010 15:56:31 +0000 (15:56 +0000)]
Update for 2.6.33
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1524
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vlnb [Mon, 1 Mar 2010 13:38:06 +0000 (13:38 +0000)]
Patch from Alexey Obitotskiy <alexeyo1@open-e.com> with cleanups and fixes implementing setting and managing relative target IDs.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1523
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jeykholt [Thu, 25 Feb 2010 18:23:23 +0000 (18:23 +0000)]
fcst: set max_hw_pending_time
The target template max_hw_pending_time was zero, causing
premature timeouts and a fast retry in scst_hw_pending_work_fn().
Set it to 20 seconds, like qla2x00t does, for now.
It could be the wrong thing for tape, but should be
plenty long enough for disks.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1522
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vlnb [Thu, 25 Feb 2010 14:14:23 +0000 (14:14 +0000)]
A set of startup scripts for Gentoo customized by Scott R. Bowe <scottb@sentania.net>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1521
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vlnb [Thu, 25 Feb 2010 13:37:56 +0000 (13:37 +0000)]
Minor fixes and cleanups
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1520
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vlnb [Thu, 25 Feb 2010 11:33:24 +0000 (11:33 +0000)]
Property svn:ignore set
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1519
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bvassche [Sun, 21 Feb 2010 19:30:39 +0000 (19:30 +0000)]
Removed trailing whitespace because checkpatch complained about it.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1518
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bvassche [Sun, 21 Feb 2010 09:00:20 +0000 (09:00 +0000)]
Added fcst code in generate-kernel-patch output.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1517
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vlnb [Sat, 20 Feb 2010 20:35:28 +0000 (20:35 +0000)]
Web updates and fixes
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1516
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vlnb [Sat, 20 Feb 2010 20:08:10 +0000 (20:08 +0000)]
- New main Makefile target fcst added
- Preliminary fixes to compile on 2.6.33
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1515
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vlnb [Sat, 20 Feb 2010 20:02:02 +0000 (20:02 +0000)]
This patch adds a new target module for SCST and libfc
that accepts FCP requests from libfc HBAs running Fibre Channel
over Ethernet (FCoE) and passes them to SCST.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1514
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vlnb [Fri, 19 Feb 2010 18:45:53 +0000 (18:45 +0000)]
Fixed incorrect condition in scst_hw_pending_work_fn() noticed by Joe Eykholt <jeykholt@cisco.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1513
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bvassche [Fri, 19 Feb 2010 12:03:48 +0000 (12:03 +0000)]
Fixed two WARN_ON() statements.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1512
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vlnb [Wed, 17 Feb 2010 19:07:54 +0000 (19:07 +0000)]
Sysfs interface for targets made uniform. ISCSI-SCST made confirming the uniformity requirements. See README for details.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1511
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bvassche [Mon, 15 Feb 2010 19:09:48 +0000 (19:09 +0000)]
Works now when started with a relative path too.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1510
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bvassche [Mon, 15 Feb 2010 17:34:22 +0000 (17:34 +0000)]
Added to repository.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1509
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bvassche [Sun, 14 Feb 2010 12:51:14 +0000 (12:51 +0000)]
Factored out channel unregistration code into a new function srpt_unregister_channel().
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1508
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bvassche [Sun, 14 Feb 2010 12:11:54 +0000 (12:11 +0000)]
Fixed a memory leak in an error path.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1507
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bvassche [Sun, 14 Feb 2010 12:08:47 +0000 (12:08 +0000)]
Moved srpt_unmap_sg_to_ib_sge(ch, ioctx) call back into srpt_abort_scst_cmd().
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1506
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bvassche [Sun, 14 Feb 2010 11:36:34 +0000 (11:36 +0000)]
Changes:
- Fixed race condition between SCST session registration and IB channel event
handler in srpt_add_one(): at least in theory it was possible that
sdev->scst_tgt was accessed before being initialized properly.
- A kernel WARN_ON() is no longer triggered when a DREQ has been received after
SCST session deregistration started.
- Made sure that srpt_unmap_sg_to_ib_sge() does not call ib_dma_unmap_sg()
twice.
- Moved srpt_unmap_sg_to_ib_sge() call out of srpt_reset_ioctx() and
srpt_abort_scst_cmd() into the callers of these functions.
- Renamed some of the SRPT command states.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1505
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bvassche [Fri, 12 Feb 2010 19:42:00 +0000 (19:42 +0000)]
Removed handling of AESOLNT, CRSOLNT and LOSOLNT flags again.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1504
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bvassche [Fri, 12 Feb 2010 19:37:43 +0000 (19:37 +0000)]
Simplified implementation of the thread=1 mode.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1503
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bvassche [Fri, 12 Feb 2010 19:30:08 +0000 (19:30 +0000)]
Updated test instructions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1502
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bvassche [Fri, 12 Feb 2010 18:59:15 +0000 (18:59 +0000)]
Compiles again without warnings.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1501
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vlnb [Fri, 12 Feb 2010 13:12:58 +0000 (13:12 +0000)]
Commented out required by iSCSI RFC, but not needed for processing, check of LUN field in Data-Out PDU, because some initiators (Windows, at least) don't care to correctly set it.
Reported and tested by Ladislav PaĊĦek <pasek@valbek.cz>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1500
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vlnb [Fri, 12 Feb 2010 13:07:23 +0000 (13:07 +0000)]
Those files were deleted moving to new pass-through implementation, but should have been resurrected when that implementation was limited to 2.6.30+ kernels only. Fixing.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1499
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bvassche [Thu, 11 Feb 2010 19:28:58 +0000 (19:28 +0000)]
Made ib_srpt easier to build on a multiboot system where multiple kernels
have been installed -- one kernel with OFED and one or more kernels without
OFED.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1498
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bvassche [Thu, 11 Feb 2010 19:27:49 +0000 (19:27 +0000)]
Fixed two MODULE_PARM_DESC() clauses.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1497
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vlnb [Wed, 10 Feb 2010 19:32:31 +0000 (19:32 +0000)]
Patch from Christian Motschke <motschke@itso-berlin.de>:
I had some problems compiling scst due to some bashisms in the Makefiles. As
you will know, Debian uses /bin/dash as default shell and /bin/sh is only a
link to /bin/dash. I can either change the default shell, (or in my opinion
the better solution) use SHELL=/bin/bash in the Makefile.
I have made a patch for the Makefiles in question (I hope, that are all
Makefiles).
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1496
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vlnb [Wed, 10 Feb 2010 19:22:39 +0000 (19:22 +0000)]
cmnd_reject() should return supplied reason, not hardcoded ISCSI_REASON_INVALID_PDU_FIELD
Noticed by Alexey Obitotskiy <alexeyo1@open-e.com>
This line, and those below, will be ignored--
M trunk/iscsi-scst/usr/iscsid.c
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1495
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bvassche [Tue, 9 Feb 2010 15:46:10 +0000 (15:46 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1494
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bvassche [Sun, 7 Feb 2010 09:06:03 +0000 (09:06 +0000)]
svn merge -c1492 https://scst.svn.sourceforge.net/svnroot/scst/branches/srpt-separate-rx-tx-buffers/scripts
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1493
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vlnb [Tue, 2 Feb 2010 17:16:58 +0000 (17:16 +0000)]
Web updates
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1490
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bvassche [Fri, 29 Jan 2010 19:09:06 +0000 (19:09 +0000)]
Repeated performance measurements for r1373 and the code on this branch.
Results: identical throughput for all test cases, except for 128K and 8K
asynchronous writes, where the implementation on the branch performs 19%
and 15% faster than r1373 respectively.
Setup details for the target:
* 2.6.30.7 kernel with SCST patches and with kernel debugging disabled.
* SCST revision compiled in release mode (make debug2release).
* ib_srpt kernel module parameters thread=0.
* 1 GB file residing on a tmpfs filesystem was exported via scst_vdisk.
* Frequency scaling was disabled.
* Runlevel: 3.
Setup details for the initiator:
* vanilla 2.6.27.39 kernel.
* SRP initiator was loaded with parameter srp_sg_tablesize=128
* Frequency scaling was disabled.
* Runlevel: 3.
Results for SCST r1373:
$ ~bart/software/scst/scripts/blockdev-perftest -d -s 30 -m 12 /dev/sdb
blocksize W W W W(avg, W(std, W R R R R(avg, R(std, R
(bytes) (s) (s) (s) MB/s) MB/s) (IOPS) (s) (s) (s) MB/s) MB/s) (IOPS)
67108864 1.223 1.223 1.225 836.768 0.736 13.075 0.595 0.595 0.595 1720.680 0.851 26.886
33554432 1.210 1.210 1.210 846.088 0.088 26.440 0.606 0.605 0.606 1690.110 1.920 52.816
16777216 1.185 1.185 1.185 864.121 0.248 54.008 0.622 0.622 0.623 1645.466 1.497 102.842
8388608 1.135 1.129 1.132 904.632 1.878 113.079 0.649 0.652 0.652 1572.881 3.051 196.610
4194304 1.040 1.045 1.043 982.054 1.918 245.513 0.696 0.694 0.695 1472.949 1.982 368.237
2097152 1.098 1.097 1.096 933.543 0.490 466.772 0.767 0.768 0.764 1335.724 2.799 667.862
1048576 1.265 1.264 1.265 809.638 0.367 809.638 0.901 0.908 0.900 1134.238 4.161 1134.238
524288 1.501 1.506 1.502 681.378 0.931 1362.756 1.117 1.125 1.124 912.656 2.814 1825.313
262144 1.668 1.662 1.661 615.442 1.206 2461.770 1.235 1.230 1.234 830.492 1.361 3321.970
131072 1.860 1.851 1.855 551.951 1.083 4415.610 1.282 1.274 1.276 801.575 2.029 6412.599
65536 2.236 2.245 2.238 457.248 0.797 7315.963 1.613 1.622 1.608 634.377 2.323 10150.035
32768 3.065 3.062 3.078 333.698 0.732 10678.340 2.283 2.274 2.273 449.759 0.945 14392.298
16384 4.706 4.794 4.716 216.114 1.779 13831.324 3.662 3.645 3.645 280.513 0.609 17952.809
8192 8.097 8.237 8.096 125.752 1.017 16096.212 6.297 6.302 6.289 162.640 0.134 20817.981
4096 14.674 14.694 14.657 69.780 0.071 17863.608 11.449 11.440 11.408 89.570 0.139 22929.974
$ ~bart/software/scst/scripts/blockdev-perftest -a -s 30 -m 12 /dev/sdb
blocksize W W W W(avg, W(std, W R R R R(avg, R(std, R
(bytes) (s) (s) (s) MB/s) MB/s) (IOPS) (s) (s) (s) MB/s) MB/s) (IOPS)
67108864 1.701 1.705 1.699 601.771 0.822 9.403 1.709 1.728 1.728 594.774 3.119 9.293
33554432 1.695 1.618 1.603 625.428 15.196 19.545 1.719 1.720 1.723 595.142 0.687 18.598
16777216 1.600 1.598 1.598 640.423 0.436 40.026 1.741 1.720 1.722 592.707 3.291 37.044
8388608 1.809 1.807 1.568 595.301 40.790 74.413 1.706 1.705 1.705 600.468 0.156 75.058
4194304 1.314 1.314 1.551 739.690 56.260 184.922 1.628 1.634 1.629 628.190 0.951 157.048
2097152 1.040 0.981 1.189 963.138 75.904 481.569 1.407 1.426 1.425 721.444 4.347 360.722
1048576 1.064 0.995 1.067 983.835 32.288 983.835 1.285 1.277 1.286 798.358 2.347 798.358
524288 0.984 1.058 0.987 1015.093 33.379 2030.187 1.252 1.254 1.250 817.791 1.280 1635.582
262144 0.986 0.982 1.153 989.944 71.807 3959.778 1.243 1.249 1.244 822.357 1.723 3289.428
131072 1.155 1.160 1.160 883.882 1.666 7071.055 1.251 1.252 1.252 818.046 0.179 6544.368
65536 0.928 0.928 1.166 1028.366 106.412 16453.859 1.262 1.254 1.255 814.735 2.217 13035.757
32768 1.183 1.084 1.084 918.281 37.291 29385.000 1.260 1.262 1.257 812.726 1.254 26007.237
16384 0.930 1.178 0.931 1023.755 109.140 65520.309 1.266 1.270 1.269 807.233 1.189 51662.925
8192 1.203 1.101 1.112 900.865 35.135 115310.778 1.273 1.274 1.272 804.366 0.725 102958.849
4096 0.999 1.094 1.093 966.038 41.681 247305.603 1.293 1.293 1.293 792.081 0.136 202772.806
Results for the SCST code on this branch:
$ ~bart/software/scst/scripts/blockdev-perftest -d -s 30 -m 12 /dev/sdb
blocksize W W W W(avg, W(std, W R R R R(avg, R(std, R
(bytes) (s) (s) (s) MB/s) MB/s) (IOPS) (s) (s) (s) MB/s) MB/s) (IOPS)
67108864 1.220 1.225 1.220 838.049 1.672 13.095 0.595 0.595 0.596 1720.849 0.929 26.888
33554432 1.208 1.207 1.210 847.223 0.909 26.476 0.603 0.603 0.604 1697.318 1.800 53.041
16777216 1.180 1.181 1.179 867.755 0.626 54.235 0.619 0.619 0.619 1654.679 0.375 103.417
8388608 1.127 1.130 1.128 907.754 1.025 113.469 0.649 0.649 0.650 1577.987 1.350 197.248
4194304 1.041 1.043 1.084 970.038 17.898 242.509 0.745 0.691 0.691 1446.033 50.051 361.508
2097152 1.096 1.097 1.097 933.846 0.127 466.923 0.770 0.769 0.768 1331.667 1.308 665.834
1048576 1.268 1.282 1.269 804.454 3.912 804.454 0.912 0.909 0.910 1125.005 1.691 1125.005
524288 1.518 1.519 1.518 674.360 0.179 1348.720 1.132 1.133 1.127 905.460 2.061 1810.919
262144 1.686 1.687 1.685 607.410 0.289 2429.640 1.234 1.233 1.235 829.988 0.750 3319.953
131072 1.845 1.855 1.849 553.648 1.199 4429.182 1.281 1.271 1.270 803.701 3.236 6429.607
65536 2.243 2.238 2.250 456.401 0.958 7302.419 1.610 1.609 1.615 635.507 1.152 10168.115
32768 3.100 3.096 3.101 330.442 0.191 10574.158 2.281 2.273 2.276 449.770 0.680 14392.647
16384 4.730 4.738 4.781 215.603 1.015 13798.570 3.668 3.658 3.630 280.404 1.249 17945.853
8192 8.136 8.143 8.125 125.879 0.117 16112.492 6.310 6.288 6.320 162.386 0.343 20785.421
4096 14.734 14.777 14.729 69.440 0.102 17776.731 11.434 11.434 11.421 89.591 0.051 22935.343
$ ~bart/software/scst/scripts/blockdev-perftest -a -s 30 -m 12 /dev/sdb
blocksize W W W W(avg, W(std, W R R R R(avg, R(std, R
(bytes) (s) (s) (s) MB/s) MB/s) (IOPS) (s) (s) (s) MB/s) MB/s) (IOPS)
67108864 1.621 1.616 1.859 605.258 38.591 9.457 1.733 1.732 1.730 591.217 0.421 9.238
33554432 1.606 1.849 1.608 609.432 39.346 19.045 1.748 1.727 1.781 584.599 7.431 18.269
16777216 1.613 1.615 1.838 608.666 36.341 38.042 1.726 1.723 1.732 592.885 1.307 37.055
8388608 1.806 1.808 1.598 591.362 34.824 73.920 1.713 1.711 1.710 598.426 0.454 74.803
4194304 1.555 1.332 1.543 696.900 50.708 174.225 1.633 1.685 1.642 619.381 8.436 154.845
2097152 0.966 0.966 0.957 1063.283 5.105 531.642 1.413 1.409 1.415 724.960 1.347 362.480
1048576 1.166 0.933 1.173 949.570 104.943 949.570 1.276 1.278 1.280 801.318 0.890 801.318
524288 0.930 0.930 1.158 1028.986 102.433 2057.971 1.253 1.253 1.255 816.704 0.517 1633.409
262144 0.993 0.958 1.167 992.704 83.077 3970.817 1.242 1.243 1.244 823.968 0.476 3295.873
131072 0.998 0.994 0.932 1051.674 33.625 8413.395 1.256 1.251 1.251 817.434 1.742 6539.470
65536 0.929 1.173 0.931 1025.243 107.612 16403.886 1.250 1.254 1.253 817.667 1.190 13082.667
32768 0.933 1.185 1.182 942.734 109.764 30167.481 1.266 1.268 1.262 809.419 1.637 25901.411
16384 1.174 1.006 1.008 968.451 68.247 61980.887 1.262 1.267 1.269 808.751 1.941 51760.085
8192 1.041 0.990 0.934 1037.960 45.831 132858.894 1.270 1.310 1.274 797.260 10.946 102049.295
4096 1.287 1.000 1.001 947.597 107.493 242584.705 1.294 1.309 1.287 789.841 5.665 202199.350
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1483
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bvassche [Fri, 29 Jan 2010 11:54:38 +0000 (11:54 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1482
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vlnb [Tue, 26 Jan 2010 13:02:13 +0000 (13:02 +0000)]
session_active_commands_attr attribute must have active_commands name.
Reported by Joe Eykholt <jeykholt@cisco.com>
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1478
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bvassche [Tue, 26 Jan 2010 11:52:01 +0000 (11:52 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1477
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bvassche [Sat, 23 Jan 2010 08:54:06 +0000 (08:54 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1476
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bvassche [Tue, 19 Jan 2010 11:37:41 +0000 (11:37 +0000)]
Updated kernel revisions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1475
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bvassche [Sun, 17 Jan 2010 17:36:50 +0000 (17:36 +0000)]
Moved comma's in table header to the proper place.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1474
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bvassche [Sun, 17 Jan 2010 13:07:46 +0000 (13:07 +0000)]
Changes:
- The entire receive queue can be used again instead of only SRPT_RQ_SIZE - 1
elements (as in r1470).
- Added initiator-lockup-avoidance code to SRP_TSK_MGMT processing code too.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1473
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bvassche [Sat, 16 Jan 2010 19:38:08 +0000 (19:38 +0000)]
Updated test instructions.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1472
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bvassche [Sat, 16 Jan 2010 19:36:29 +0000 (19:36 +0000)]
Updated copyright statement.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1471
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bvassche [Thu, 14 Jan 2010 20:35:37 +0000 (20:35 +0000)]
Changes:
- Updated copyright statement.
- Micro-optimized the function srpt_req_lim_delta().
- Made sure that SRPT does not cause a lockup in (at least) the Linux SRP
initiator. See also http://bugzilla.kernel.org/show_bug.cgi?id=14235.
git-svn-id: https://scst.svn.sourceforge.net/svnroot/scst/trunk@1470
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http://git.etherboot.org / mirror / scst / .git / log