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140 Commits

Author SHA1 Message Date
Bart Van Assche
7c550d4724 iscsi-scst: UEK 4.1.12-103.9.7.el7uek.x86_64 build fix 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7272 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-12-19 16:35:40 +00:00
Bart Van Assche
4c05086b59 scst, iscsi-scst: Introduce scst_read(), scst_write(), scst_readv() and scst_writev() 
This makes it easier to add support for new kernel versions, e.g. kernel
version v4.14.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7260 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-11-13 05:50:44 +00:00
Bart Van Assche
9e35afe1e0 Annotate fall-through in switch statements in a form recognized by gcc 7 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7216 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-08-27 15:28:57 +00:00
Vladislav Bolkhovitin
e5e4531049 iscsi-scst: cleanup 
There's no need to end-align the padding. Plus, it's not optimal to
access front misaligned memory

Reported-by: David Butterfield <dab21774@gmail.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7195 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-05-25 02:11:06 +00:00
Vladislav Bolkhovitin
68fa7e1a0d Copyright updates 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7146 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-04-22 03:19:52 +00:00
Vladislav Bolkhovitin
eaa99a8770 Fix a few minor "extra" compiler warnings (mostly "const" issues) 
Add "XXX" comments in a few places about potential problems seen in SCST code,
for future investigation and possible repair.

Signed-off-by: David Butterfield <dab21774@gmail.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7123 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-04-14 01:03:25 +00:00
Vladislav Bolkhovitin
a2e0916fbf Fix a few compiler messages issued when some extra warnings are enabled: 
casting const to non-const
    uninitialized structure members
    non-static local function
    missing enumerated switch-value cases

Signed-off-by: David Butterfield <dab21774@gmail.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7122 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2017-04-13 23:58:32 +00:00
Bart Van Assche
7f1d8c91b1 iscsi-scst: Port to Linux kernel versions >= v4.7 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7021 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-10-26 21:33:50 +00:00
Bart Van Assche
eff3021fb5 scst: Port to Linux kernel v4.6 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6835 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-24 04:08:12 +00:00
Vladislav Bolkhovitin
83d0cb0f46 iscsi-scst: fix possible recursive locking 
cmnd_done() called from cmnd_put() can take cmd_list_lock, so it must
not be called under it.

Reported and tested by David Chen <david.chen@osnexus.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6821 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-03-02 04:13:42 +00:00
Vladislav Bolkhovitin
a1b613af75 iscsi-scst: clarify comment 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6811 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-02-19 03:12:53 +00:00
Vladislav Bolkhovitin
fa2f54ac9e Copyrights updated 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6787 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2016-01-22 04:04:43 +00:00
Bart Van Assche
469fe4a42c iscsi-scst: Remove superfluous casts 
The C language does not require to use an explicit cast when assigning
a void * pointer to a pointer of another type.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6633 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-11-09 19:51:17 +00:00
Bart Van Assche
7614eafd64 iscsi-scst: Insert a blank line after declarations 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6616 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-11-07 00:00:42 +00:00
Vladislav Bolkhovitin
45d7f40ec1 Improve release logging 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6478 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-08-25 02:57:51 +00:00
Vladislav Bolkhovitin
e5e54f312b iscsi-scst: Move old TM response dropping to preparing new response stage 
The second TM request can come while the old one, response for which is
going to be delayed, is still being processed, hence no response
prepared yet, so the delayed response should be dropped on the stage of
the new response preparing. Otherwise in this place the old delayed
response will trigger BUG_ON().



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6456 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-07-31 01:09:58 +00:00
Bart Van Assche
79c8bf1f7c iscsi-scst, isert-scst: One trace flags variable per kernel module 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6397 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-23 15:01:17 +00:00
Bart Van Assche
26cda0eb38 iscsi-scst: Annotate fall-through cases for Coverity 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6364 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:18:23 +00:00
Bart Van Assche
63cb4a9d40 iscsi-scst: Fix indentation 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6363 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-17 00:09:23 +00:00
Bart Van Assche
7c3b2c4ca6 iscsi-scst: Fix spelling in a source code comment 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6321 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-16 15:53:31 +00:00
Bart Van Assche
0d9d6a6f57 isert-scst: Fix in-tree build 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6312 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-12 16:15:45 +00:00
Bart Van Assche
6aaeca1cd9 Merge iser branch r6234 into trunk 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6235 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-06-10 15:35:26 +00:00
Vladislav Bolkhovitin
1e78126962 iscsi-scst: update for 3.19 kernels 
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> with some improvements



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6187 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-04-24 02:54:52 +00:00
Vladislav Bolkhovitin
5cc7555cd9 iscsi-scst: Rework sparse annotations 
Do not declare kernel pointers as __user but instead cast these to
__user just before assigning these to iov_base.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6156 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-03-26 00:33:45 +00:00
Vladislav Bolkhovitin
fe38e4acb2 Copyrights updated 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@6146 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2015-03-19 00:01:03 +00:00
Bart Van Assche
9707f85c0b Fix kernel 3.17 checkpatch warnings about 'long long unsigned' 
Avoid that checkpatch reports the following warning:

WARNING: type 'long long unsigned' should be specified in 'unsigned long long' order.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5885 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-11-26 08:16:44 +00:00
Vladislav Bolkhovitin
760b71423a scst: Remove set_cpus_allowed() invocations 
Since scst.h contains a backport of the definition of set_cpus_allowed_ptr(),
the set_cpus_allowed() invocations are superfluous. Hence remove these.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5734 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-08-27 02:43:50 +00:00
Vladislav Bolkhovitin
726be64769 iscsi-scst: Handle data buffers with non-zero offset correctly 
Start at the proper offset in the receive buffer if sg[0].offset != 0.
Return the proper data to the initiator if sg[0].offset != 0.

This patch reworks trunk r5281, "iscsi-scst: fix offset
calculation", February 13, 2014.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5683 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-07-19 03:54:33 +00:00
Vladislav Bolkhovitin
b6f2a47ee8 Change BUG_ON(1) into BUG() 
With CONFIG_BUG=y both BUG() and BUG_ON(1) halt the system. However,
with CONFIG_BUG=n BUG() halts the system but BUG_ON(1) not. To avoid
such subtleties, change BUG_ON(1) into BUG().

See also patch Josh Triplett, "bug: Make BUG() always stop the machine",
7 April 2014 (commit ID a4b5d580e07875f9be29f62a57c67fbbdbb40ba2).

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5618 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-06-20 04:10:40 +00:00
Vladislav Bolkhovitin
0c66b8aaf7 iscsi-scst: Introduce ARRAY_SIZE() 
This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5386 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-03-26 03:21:25 +00:00
Vladislav Bolkhovitin
b4ba1b24c7 iscsi-scst: fix offset calculation 
Fixed a subtle bug in iSCSI-SCST with incorrectly calculated offsets
for non-page aligned transfers. Originally discovered, investigated and
fix suggested by Кирилл Тюшев, then Shahar Salzman tested and proved it.
See http://sourceforge.net/mailarchive/message.php?msg_id=31924078



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5281 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-02-13 04:02:56 +00:00
Vladislav Bolkhovitin
00851a7501 Merge of adding iSER web page and copyright updates from the iSER branch 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5241 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2014-01-28 05:17:26 +00:00
Vladislav Bolkhovitin
10ca1d2f20 Copyrights updated 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4767 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2013-02-20 02:05:29 +00:00
Vladislav Bolkhovitin
05bff10f05 During nexus loss reservations should not be cleared + add possibility for device specific states be retained during nexus loss as well. 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4546 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2012-10-04 20:32:59 +00:00
Vladislav Bolkhovitin
fda632ae0b iscsi-scst: Eliminate a cast 
Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4479 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2012-08-27 20:38:37 +00:00
Vladislav Bolkhovitin
eb95049061 Copyrights updated + cleanups 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4216 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2012-04-18 02:26:39 +00:00
Vladislav Bolkhovitin
90670b1c83 scst_rx_mgmt_fn_lun(): Change 3rd arg from u8 * into void * 
This change allows to remove several casts and hence improves
source code readability.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4169 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2012-03-27 01:40:45 +00:00
Vladislav Bolkhovitin
937b2d550d Update for kernel 3.3 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4164 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2012-03-23 21:48:11 +00:00
Vladislav Bolkhovitin
7872837b6b Replace list_entry((a)->next, b, c) by list_first_entry(a, b, c). 
BSD-signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3965 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-12-10 03:50:24 +00:00
Vladislav Bolkhovitin
daa5da87af Several wait loops in the SCST source code are similar. Move the common code 
into a new macro called wait_event_locked().

Signed-off-by: Bart Van Assche <bvanassche@acm.org>

+

Micro-optimize wait_event_locked(). Switch from default_wake_function() to
autoremove_wake_function() (via DEFINE_WAIT()). The result is that
wait_queue_head_t.lock is locked once instead of twice for wakeup + wait queue
removal.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3591 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-06-18 21:15:59 +00:00
Bart Van Assche
4839c8167f iscsi-scst: get rid of two "suspect code indent for conditional statements" checkpatch complaints. 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3497 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-06-01 07:19:12 +00:00
Vladislav Bolkhovitin
c54ebba11a Some more TM cleanups/improvements 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3460 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-05-18 21:45:09 +00:00
Vladislav Bolkhovitin
70eb596f60 Rework iSCSI aborts to make them more correct and remove recent workarounds (one more post-IET cleanup) 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3444 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-05-09 23:07:23 +00:00
Vladislav Bolkhovitin
f9cbfe51cd RHEL5/6 workaround 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3438 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-05-03 21:27:30 +00:00
Vladislav Bolkhovitin
8443ae6bc7 Don't abort not yet received commands 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3425 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-04-29 19:54:13 +00:00
Vladislav Bolkhovitin
c5b9c85591 - More timers improvements 
- Cleanups



git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3421 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-04-26 19:07:13 +00:00
Vladislav Bolkhovitin
3c59daab2a Correctly process being read cmd during abort 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3413 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-04-26 00:04:01 +00:00
Vladislav Bolkhovitin
64065a21e9 NOP-In/response timeouts improvements 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3411 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-04-25 23:50:49 +00:00
Bart Van Assche
ce918fa396 Spelling fix (in source code comments): reaquire -> reacquire. 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3265 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-02-27 09:46:41 +00:00
Vladislav Bolkhovitin
f3238333dd Copyrights updated 
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3200 d57e44dd-8a1f-0410-8b47-8ef2f437770f
 2011-01-06 20:02:04 +00:00