Commit Graph
59 Commits
Author SHA1 Message Date
Bart Van Assche 4696f90f07 ib_srpt: Merge r5990:6028 from trunk
git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@6030 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2015-02-10 08:08:51 +00:00
Yan Burman bb7f5caef2 Merged revisions 5875,5878-5895,5903-5905,5910,5912-5914,5928-5929,5931-5991 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5875 | bvassche | 2014-11-16 19:58:07 +0200 (Sun, 16 Nov 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5878 | bvassche | 2014-11-19 02:17:41 +0200 (Wed, 19 Nov 2014) | 1 line
  
  srpt/Makefile: Add double quotes around a path
........
  r5879 | bvassche | 2014-11-19 02:20:20 +0200 (Wed, 19 Nov 2014) | 1 line
  
  scripts/generate-release-archive: Accept an optional list of file names
........
  r5880 | bvassche | 2014-11-22 13:12:29 +0200 (Sat, 22 Nov 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5881 | bvassche | 2014-11-24 19:59:14 +0200 (Mon, 24 Nov 2014) | 4 lines
  
  ib_srpt: Add support for HCA's that do not support SRQ
  
  Based on a patch provided by Parav Pandit <Parav.Pandit@Emulex.Com>
........
  r5882 | vlnb | 2014-11-26 09:02:17 +0200 (Wed, 26 Nov 2014) | 3 lines
  
  Update for kernels 3.17.x
........
  r5883 | bvassche | 2014-11-26 10:05:09 +0200 (Wed, 26 Nov 2014) | 1 line
  
  Add kernel 3.17 build infrastructure
........
  r5884 | bvassche | 2014-11-26 10:07:08 +0200 (Wed, 26 Nov 2014) | 1 line
  
  nightly build: Add kernel 3.17
........
  r5885 | bvassche | 2014-11-26 10:16:44 +0200 (Wed, 26 Nov 2014) | 6 lines
  
  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.
........
  r5886 | bvassche | 2014-11-26 15:38:52 +0200 (Wed, 26 Nov 2014) | 1 line
  
  Build fixes for RHEL 6.6 kernel 2.6.32-504
........
  r5887 | bvassche | 2014-11-26 16:39:51 +0200 (Wed, 26 Nov 2014) | 1 line
  
  ib_srpt: Make the send queue full messages more informational
........
  r5888 | bvassche | 2014-11-26 18:25:57 +0200 (Wed, 26 Nov 2014) | 1 line
  
  scripts/specialize-patch: Support blanks around numbers inside parentheses
........
  r5889 | bvassche | 2014-11-26 21:42:10 +0200 (Wed, 26 Nov 2014) | 1 line
  
  scripts/specialize-patch: Reduce noise in nightly build output
........
  r5890 | vlnb | 2014-11-27 06:36:33 +0200 (Thu, 27 Nov 2014) | 3 lines
  
  Cleanup
........
  r5891 | bvassche | 2014-11-27 17:18:58 +0200 (Thu, 27 Nov 2014) | 1 line
  
  scst.h: Add uintptr_t
........
  r5892 | bvassche | 2014-11-27 17:19:21 +0200 (Thu, 27 Nov 2014) | 1 line
  
  ib_srpt: Add support for immediate data
........
  r5893 | bvassche | 2014-11-27 17:24:17 +0200 (Thu, 27 Nov 2014) | 1 line
  
  ib_srpt: Log reject reason
........
  r5894 | bvassche | 2014-11-27 17:29:29 +0200 (Thu, 27 Nov 2014) | 1 line
  
  ib_srpt: Rework the max_sge computation changes from r5795
........
  r5895 | bvassche | 2014-11-28 11:16:37 +0200 (Fri, 28 Nov 2014) | 1 line
  
  scst: Add scripts/rebuild-rhel-kernel-rpm to the SCST release archive
........
  r5903 | bvassche | 2014-12-03 13:50:06 +0200 (Wed, 03 Dec 2014) | 4 lines
  
  scripts/rebuild-rhel-kernel-rpm: Fix an error message
  
  Reported-by: Hiroyuki Sato <hiroysato@gmail.com>
........
  r5904 | bvassche | 2014-12-03 19:06:57 +0200 (Wed, 03 Dec 2014) | 1 line
  
  iscsi-scst/kernel/patches/rhel/put_page_callback-2.6.32-504.patch: Add
........
  r5905 | bvassche | 2014-12-03 19:07:31 +0200 (Wed, 03 Dec 2014) | 1 line
  
  scripts/rebuild-rhel-kernel-rpm: Add support for RHEL 6.6
........
  r5910 | bvassche | 2014-12-04 13:50:58 +0200 (Thu, 04 Dec 2014) | 1 line
  
  scripts/generate-kernel-patch: Swap two filters
........
  r5912 | bvassche | 2014-12-04 14:19:56 +0200 (Thu, 04 Dec 2014) | 4 lines
  
  /etc/init.d/scst: Exit with status code 0 upon 'start' if already running
  
  Reported-by: Dimitar Tanev <dimitar@linuxdevgroup.org>
........
  r5913 | vlnb | 2014-12-05 01:41:52 +0200 (Fri, 05 Dec 2014) | 3 lines
  
  FORMAT commands should be strictly serialized
........
  r5914 | vlnb | 2014-12-05 01:43:51 +0200 (Fri, 05 Dec 2014) | 3 lines
  
  Oops, fix for the previous commit
........
  r5928 | vlnb | 2014-12-06 07:02:27 +0200 (Sat, 06 Dec 2014) | 3 lines
  
  Web updates
........
  r5929 | bvassche | 2014-12-09 14:33:16 +0200 (Tue, 09 Dec 2014) | 1 line
  
  rpm build: Add support for qla2x00t driver in QLogic git repository
........
  r5931 | vlnb | 2014-12-11 06:27:17 +0200 (Thu, 11 Dec 2014) | 3 lines
  
  Docs update
........
  r5932 | vlnb | 2014-12-11 06:34:36 +0200 (Thu, 11 Dec 2014) | 8 lines
  
  scst_vdisk: Increase virtual device name length
  
  This change makes integration with OpenStack easier since OpenStack GUIDs
  are 36 characters long: 32 hex characters and four dashes.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5933 | vlnb | 2014-12-11 06:38:04 +0200 (Thu, 11 Dec 2014) | 11 lines
  
  vdisk_blockio: Report invalid scatterlists
  
  It is possible for a target driver to pass a scatterlist via
  scst_cmd_set_tgt_sg() that is valid for the vdisk_fileio handler
  but not for the vdisk_blockio handler. Complain loudly if an invalid
  scatterlist is passed to vdisk_blockio because such scatterlists
  cause silent data corruption with most Linux block drivers.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5934 | bvassche | 2014-12-11 14:31:03 +0200 (Thu, 11 Dec 2014) | 1 line
  
  scst_vdisk: Follow-up for r5932
........
  r5935 | bvassche | 2014-12-11 14:37:02 +0200 (Thu, 11 Dec 2014) | 1 line
  
  ib_srpt: Log P_Key during login
........
  r5936 | bvassche | 2014-12-12 11:29:42 +0200 (Fri, 12 Dec 2014) | 1 line
  
  scripts/generate-kernel-patch: Include scst_pg.sgml instead of sgv_cache.sgml
........
  r5937 | bvassche | 2014-12-12 11:34:55 +0200 (Fri, 12 Dec 2014) | 1 line
  
  doc/scst_pg.sgml: Remove trailing whitespace
........
  r5938 | bvassche | 2014-12-17 09:48:40 +0200 (Wed, 17 Dec 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5939 | vlnb | 2014-12-19 05:50:58 +0200 (Fri, 19 Dec 2014) | 3 lines
  
  Fallback to the old qla driver if the git one not detected
........
  r5940 | vlnb | 2014-12-19 05:55:14 +0200 (Fri, 19 Dec 2014) | 7 lines
  
  Replace in cases, where sporadic failures are possible, HARDWARE ERROR
  by INTERNAL TARGET FAILURE, which is retriable (some OS'es don't retry
  HARDWARE ERROR)
  
  Reported and suggested by Shahar Salzman <shahar.salzman@kaminario.com>
........
  r5941 | vlnb | 2014-12-20 05:48:07 +0200 (Sat, 20 Dec 2014) | 7 lines
  
  scst_vdisk: Only accept NAA IDs allowed by SPC
  
  See also paragraph 7.8.6.6 NAA designator format in SPC-4.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5942 | vlnb | 2014-12-20 05:49:23 +0200 (Sat, 20 Dec 2014) | 11 lines
  
  scst_vdisk: Remove superfluous llseek() calls
  
  vfs_read() and vfs_write() ignore the file offset set by llseek().
  Hence remove the llseek() calls that occur just before vfs_read() and
  vfs_write(). See also the implementation in the Linux kernel of the
  pread64() and pwrite64() system calls for examples of code that uses
  vfs_read() and vfs_write().
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5943 | bvassche | 2014-12-22 14:28:13 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code spelling fix: Equivilant -> Equivalent
........
  r5944 | bvassche | 2014-12-22 14:28:56 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code spelling fix: accesss -> access
........
  r5945 | bvassche | 2014-12-22 14:29:51 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code spelling fix: addres -> address
........
  r5946 | bvassche | 2014-12-22 14:31:08 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code spelling fix: authentification -> authentication
........
  r5947 | bvassche | 2014-12-22 14:32:30 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code comment spelling fix: explicitely -> explicitly
........
  r5948 | bvassche | 2014-12-22 14:33:06 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code comment spelling fix: hander -> handler
........
  r5949 | bvassche | 2014-12-22 14:33:37 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code comment spelling fix: loosing -> losing
........
  r5950 | bvassche | 2014-12-22 14:35:00 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Spelling fix: occured -> occurred
........
  r5951 | bvassche | 2014-12-22 14:35:51 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Source code comment spelling fix: refering -> referring
........
  r5952 | bvassche | 2014-12-22 14:36:47 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Spelling fix: shrinked -> shrunk
........
  r5953 | bvassche | 2014-12-22 15:08:34 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Spelling fix: choosen -> chosen
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  r5954 | bvassche | 2014-12-22 15:09:20 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Spelling fix: existant -> existent
........
  r5955 | bvassche | 2014-12-22 15:10:41 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Update for kernel 3.18
........
  r5956 | bvassche | 2014-12-22 15:15:55 +0200 (Mon, 22 Dec 2014) | 1 line
  
  Spelling fix: immediatelly -> immediately
........
  r5957 | bvassche | 2014-12-24 16:28:36 +0200 (Wed, 24 Dec 2014) | 1 line
  
  nightly build: Add kernel 3.18
........
  r5958 | bvassche | 2014-12-29 14:14:52 +0200 (Mon, 29 Dec 2014) | 1 line
  
  scst_lib: Convert spaces into tabs (reported by checkpatch)
........
  r5959 | bvassche | 2015-01-06 15:25:28 +0200 (Tue, 06 Jan 2015) | 1 line
  
  scst_calc_block_shift: Log block shift and sector size upon mismatch
........
  r5960 | bvassche | 2015-01-07 11:20:06 +0200 (Wed, 07 Jan 2015) | 4 lines
  
  scst_local: Fix unique per session sas address
  
  Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
........
  r5961 | bvassche | 2015-01-09 14:23:25 +0200 (Fri, 09 Jan 2015) | 4 lines
  
  scst_sysfs: return EINVAL on too big LUN
  
  Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
........
  r5962 | bvassche | 2015-01-10 17:52:57 +0200 (Sat, 10 Jan 2015) | 1 line
  
  nightly build: Update kernel versions
........
  r5963 | bvassche | 2015-01-13 10:42:28 +0200 (Tue, 13 Jan 2015) | 10 lines
  
  scst: Switch to thread context before executing a reservation command
  
  Persistent reservation commands need thread context because
  scst_pr_is_cmd_allowed() locks the PR mutex. Reservation commands
  either need BH or thread context. Hence switch from atomic to
  thread context before processing such commands.
  
  Reported-by: Shahar Salzman <shahar.salzman@kaminario.com>
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5964 | bvassche | 2015-01-13 10:51:08 +0200 (Tue, 13 Jan 2015) | 5 lines
  
  scst_parse_unmap_descriptors(): Avoid using GFP_KERNEL in atomic context
  
  Reported-by: Shahar Salzman <shahar.salzman@kaminario.com>
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5965 | bvassche | 2015-01-13 10:55:46 +0200 (Tue, 13 Jan 2015) | 68 lines
  
  qla2x00t: Copy entire SCST sense buffer to q2x ctio
  
  There seems to be a bug in passing sense information to QLA HBAs, where 
  the last 2 bytes of the sense data (ASC, ASCQ) are not copied to the low 
  level sense buffer.
  We encountered this in ESX, which relies on these 2 bytes to parse the 
  MISCOMPARE sense code (0xE1, 0x1D, 0x00).
  Bellow is a simple test to recreate this issue, but during vMotion 
  operations (where VMs are moved from one host to another), this may 
  cause the operation to fail leaving the VM in an inconsistent state.
  
  The test I ran to verify that we are indeed missing the bytes is the 
  following:
  1. Create a SCST based device
  2. Expose the device to 2 ESX hosts
  3. Format the device as VMFS5, create a test directory
  4. From both hosts, I start writing to this directory (no VMs involved, 
  just write normal files)
  
  At this stage, both ESX hosts try to take access to the directory.
  The VMFS filesystem contains a per-directory lock which is managed by 
  COMPARE AND WRITE command.
  Each ESX will attempt to change the VMFS lock location from unlocked to 
  locked to create the new file.
  
  Obviously there are bound to be failures (which are equivalent to 
  programming locking conflicts), these are reported by the MISCOMPARE 
  sense code.
  Upon these MISCOMPARE errors, the host will re-try taking the lock until 
  it succeeds, and will then proceed to perform the write operation on the 
  directory.
  
  Due to the bug in copying the sense buffer from the SCST core to the QLA 
  ctio, instead of the full sense code, only the key (0xE) is sent, and 
  ESX does not know how to handle it resulting in IO error.
  
  Here are the errors as they appear on the command line:
  /vmfs/volumes/54a297c4-ca5af1cc-7f94-002219d20f28/ats_test # 
  ./open_close_test-esx2.sh
  ./open_close_test-esx2.sh: line 8: can't create 
  ats_fileoptest-esx2_1.txt: Input/output error
  ./open_close_test-esx2.sh: line 8: can't create 
  ats_fileoptest-esx2_21.txt: Input/output error
  ./open_close_test-esx2.sh: line 8: can't create 
  ats_fileoptest-esx2_110.txt: Input/output error
  ./open_close_test-esx2.sh: line 8: can't create 
  ats_fileoptest-esx2_111.txt: Input/output error
  
  In the /var/log/vmkernel.log, we can see that the sense information is 
  missing (0xE, 0x0, 0x0) instead of (0xE, 0x1D, 0x0).
  2014-12-30T12:13:20.714Z cpu6:33519)ScsiDeviceIO: 2338: 
  Cmd(0x412e84f957c0) 0x89, CmdSN 0x234d from world 519051 to dev 
  "eui.0024f400d5020007" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xe 0x0 0x0.
  2014-12-30T12:13:20.766Z cpu6:33519)ScsiDeviceIO: 2338: 
  Cmd(0x412e84f91d00) 0x89, CmdSN 0x2350 from world 519051 to dev 
  "eui.0024f400d5020007" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xe 0x0 0x0.
  2014-12-30T12:13:20.766Z cpu6:33519)ScsiDeviceIO: 2338: 
  Cmd(0x412e80449fc0) 0x89, CmdSN 0x234f from world 519051 to dev 
  "eui.0024f400d5020007" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xe 0x0 0x0.
  
  This patch fixes this issue, the test will run without a problem with the
  fix (no IO errors, all the files are properly written to the directory).
  
  Signed-off-by: Shahar Salzman <shahar.salzman@kaminario.com>
  Reviewed-by: Eran Mann <eran.mann@kaminario.com>
  [bvanassche: simplified implementation]
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5966 | bvassche | 2015-01-13 11:38:09 +0200 (Tue, 13 Jan 2015) | 5 lines
  
  qla2x00t: Register for RSCNs in target mode
  
  The QLogic firmware and qla2xxx do not register for RSCNs in
  target-only mode, so do that explicitly.
........
  r5967 | bvassche | 2015-01-14 10:06:12 +0200 (Wed, 14 Jan 2015) | 1 line
  
  scst_targ: Use tabs instead of spaces for indentation (detected by checkpatch)
........
  r5968 | bvassche | 2015-01-15 10:58:39 +0200 (Thu, 15 Jan 2015) | 4 lines
  
  scst_targ: Avoid triggering a kernel panic if dev_user_parse() returns SCST_CMD_STATE_STOP
  
  Reported-by: Ilan Steinberg <ilan.steinberg@kaminario.com>
........
  r5969 | vlnb | 2015-01-16 03:21:10 +0200 (Fri, 16 Jan 2015) | 3 lines
  
  Fix READ BUFFER and WRITE BUFFER commands
........
  r5970 | vlnb | 2015-01-16 05:16:26 +0200 (Fri, 16 Jan 2015) | 3 lines
  
  Follow up for r5968
........
  r5971 | vlnb | 2015-01-16 05:53:29 +0200 (Fri, 16 Jan 2015) | 5 lines
  
  Report during user devices unjam LUN NOT SUPPORTED sense
  
  Reported-By: shahar.salzman <shahar.salzman@kaminario.com>
........
  r5972 | bvassche | 2015-01-16 15:01:58 +0200 (Fri, 16 Jan 2015) | 2 lines
  
  scst.spec.in: Rename variable kver into kversion
........
  r5973 | bvassche | 2015-01-16 15:12:22 +0200 (Fri, 16 Jan 2015) | 2 lines
  
  scst.spec.in: Pass kernel version via RPM-variable %{kversion} instead of shell variable ${KVER}
........
  r5974 | bvassche | 2015-01-16 15:16:06 +0200 (Fri, 16 Jan 2015) | 6 lines
  
  scst.spec.in: Determine version number correctly on a koji server
  
  This patch has been tested on a koji build server and also on four
  different RPM-based distributions (CentOS 7, Fedora 20, openSuSE 13.2
  and SLES 11 SP3).
........
  r5975 | bvassche | 2015-01-16 18:12:38 +0200 (Fri, 16 Jan 2015) | 1 line
  
  scst.spec.in: Leave out kernel version from RPM name
........
  r5976 | bvassche | 2015-01-16 18:20:10 +0200 (Fri, 16 Jan 2015) | 1 line
  
  scst.spec.in: Add DKMS support
........
  r5977 | vlnb | 2015-01-20 06:18:07 +0200 (Tue, 20 Jan 2015) | 3 lines
  
  Revert r5964 as not needed
........
  r5978 | vlnb | 2015-01-20 06:20:13 +0200 (Tue, 20 Jan 2015) | 3 lines
  
  Revert r5963 as not needed
........
  r5979 | bvassche | 2015-01-20 17:04:23 +0200 (Tue, 20 Jan 2015) | 13 lines
  
  scst: Rework SCSI pass-through support for kernel versions >= 2.6.30
  
  Changes in this patch:
  - Rework the SCSI pass-through code such that for kernel versions
    >= 2.6.30 the scst_exec_req_fifo patch is no longer needed.
  - Modify the pass-through code such that blk_rq_append_bio() is only
    called for kernel version 2.6.30. For later kernel versions
    blk_make_request() is called instead.
  - Rework scst_scsi_exec_async().
  - Add debug tracing of SCSI pass-through result status.
  - Add a lockdep_assert_held() call in scsi_end_async().
........
  r5980 | bvassche | 2015-01-20 19:13:13 +0200 (Tue, 20 Jan 2015) | 1 line
  
  nightly build: Update kernel versions
........
  r5981 | vlnb | 2015-01-21 06:15:42 +0200 (Wed, 21 Jan 2015) | 3 lines
  
  Follow up for r5979
........
  r5982 | vlnb | 2015-01-21 06:20:53 +0200 (Wed, 21 Jan 2015) | 5 lines
  
  Fix returning changeable values for caching mode page
  
  Reported by Consus <consus@gmx.com>
........
  r5983 | bvassche | 2015-01-21 15:11:56 +0200 (Wed, 21 Jan 2015) | 1 line
  
  scst.h: Fix a sparse warning for kernels 2.6.29..2.6.31
........
  r5984 | vlnb | 2015-01-22 07:03:17 +0200 (Thu, 22 Jan 2015) | 9 lines
  
  [PATCH] scst_local: Fix bidirectional command support
  
  scsi_setup_cmnd() sets sc_data_direction to DMA_TO_DEVICE for bidirectional
  commands. Hence test SCpnt->request->next_rq instead of sc_data_direction
  to figure out whether or not a command is bidirectional.
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5985 | vlnb | 2015-01-22 07:06:45 +0200 (Thu, 22 Jan 2015) | 12 lines
  
  [PATCH] scst_main: Suppress a checkpatch warning triggered by INIT_CACHEP{,_ALIGN}
  
  Avoid that checkpatch v3.18 reports the following warning for these
  two macros:
  
  WARNING: Macros with flow control statements should be avoided
  
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5986 | vlnb | 2015-01-22 07:09:17 +0200 (Thu, 22 Jan 2015) | 9 lines
  
  scst_vdisk: Micro-optimize vdisk_caching_pg
  
  This patch does not change any behavior but micro-optimizes
  vdisk_caching_pg(). Declaring the array caching_pg[] const reduces
  11 bytes from the assembler code of this function.
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5987 | vlnb | 2015-01-22 07:10:42 +0200 (Thu, 22 Jan 2015) | 10 lines
  
  scst: Suppress a smatch warning in vdisk_unmap_range()
  
  Avoid that the static source code analysis tool 'smatch' reports
  the following warning:
  
  vdisk_unmap_range() warn: should 'blocks << cmd->dev->block_shift' be a 64 bit type?
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5988 | vlnb | 2015-01-22 07:13:59 +0200 (Thu, 22 Jan 2015) | 27 lines
  
  scst_vdisk: Fix zero-copy read for tmpfs
  
  For some filesystems, e.g. tmpfs, address_space.readpage is NULL.
  Disable zero-copy reading for such filesystems. See also shmem_aops
  in mm/shmem.c. See also inode_init_always() and empty_aops in fs/inode.c.
  
  This patch avoids that the following call trace is triggered:
  
  BUG: unable to handle kernel NULL pointer dereference at (null)
  Call Trace:
   [<ffffffffa0547d66>] prepare_read+0x106/0x1d0 [scst_vdisk]
   [<ffffffffa0547f20>] fileio_alloc_data_buf+0xf0/0x330 [scst_vdisk]
   [<ffffffffa046fc9b>] scst_prepare_space+0x9b/0x6e0 [scst]
   [<ffffffffa047d4d5>] scst_process_active_cmd+0x545/0x840 [scst]
   [<ffffffffa047dad2>] scst_cmd_init_done+0x302/0x5d0 [scst]
   [<ffffffffa0563ab2>] scst_cmd_init_stage1_done.constprop.37+0x12/0x20 [iscsi_scst]
   [<ffffffffa056a9ea>] scsi_cmnd_start+0x25a/0x550 [iscsi_scst]
   [<ffffffffa056b4a8>] cmnd_rx_start+0x148/0x1a0 [iscsi_scst]
   [<ffffffffa056e4f8>] process_read_io+0x3b8/0x800 [iscsi_scst]
   [<ffffffffa056ea07>] scst_do_job_rd+0xc7/0x220 [iscsi_scst]
   [<ffffffffa056efed>] istrd+0x16d/0x2e0 [iscsi_scst]
   [<ffffffff81079efd>] kthread+0xed/0x110
   [<ffffffff817227fc>] ret_from_fork+0x7c/0xb0
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5989 | vlnb | 2015-01-24 07:37:57 +0200 (Sat, 24 Jan 2015) | 5 lines
  
  scst_local: Rework data direction detection code
  
  Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
........
  r5990 | bvassche | 2015-01-26 13:32:32 +0200 (Mon, 26 Jan 2015) | 1 line
  
  ib_srpt: Detect Mellanox OFED 2.3 correctly
........
  r5991 | vlnb | 2015-01-28 07:07:46 +0200 (Wed, 28 Jan 2015) | 3 lines
  
  Cleanups
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5993 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2015-01-28 12:12:32 +00:00
Yan Burman f704a4afee Merged revisions 5785-5786,5793-5796,5798,5801-5802,5804-5806,5808,5810-5811,5814,5816-5817 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5785 | bvassche | 2014-09-09 14:09:20 +0300 (Tue, 09 Sep 2014) | 9 lines
  
  scst_local: Change max_lun into SCST_MAX_LUN (16383)
  
  Today SCST does not support LUN numbers >= 16384. Additionally,
  there is a bug in older Linux initiator systems that prevents
  proper handling of LUN numbers >= 2**32. See also Hannes Reinecke,
  scsi_scan: Fixup scsilun_to_int(), June 25, 2014 (commit ID
  d9e5d6183715e691b37afd3785c311d05cd1338d). Hence set max_lun to
  16383.
........
  r5786 | bvassche | 2014-09-09 14:27:27 +0300 (Tue, 09 Sep 2014) | 6 lines
  
  scst_local: Set max_id to 1
      
  The value 0 is not valid for the max_id member of struct Scsi_Host.
      
  Signed-off-by: Sebastian Herbszt <herbszt@gmx.de>
........
  r5793 | bvassche | 2014-09-10 14:42:54 +0300 (Wed, 10 Sep 2014) | 1 line
  
  scstadmin: Sync saved configuration files
........
  r5794 | bvassche | 2014-09-10 14:44:14 +0300 (Wed, 10 Sep 2014) | 2 lines
  
  scstadmin test 06-cont-on-err.t: Filter out scstadmin version number
........
  r5795 | bvassche | 2014-09-10 15:18:09 +0300 (Wed, 10 Sep 2014) | 1 line
  
  ib_srpt: Add max_sge_delta kernel module parameter
........
  r5796 | bvassche | 2014-09-10 15:20:30 +0300 (Wed, 10 Sep 2014) | 1 line
  
  ib_srpt: Update Subversion ignore lists
........
  r5798 | bvassche | 2014-09-12 14:16:35 +0300 (Fri, 12 Sep 2014) | 1 line
  
  fcst/Makefile: Add release-archive target
........
  r5801 | bvassche | 2014-09-12 14:20:16 +0300 (Fri, 12 Sep 2014) | 1 line
  
  fcst: Change version number from 0.3 into 3.1.0-pre
........
  r5802 | vlnb | 2014-09-13 04:13:29 +0300 (Sat, 13 Sep 2014) | 3 lines
  
  Fix autofinding SCST headers in fileio_tgt
........
  r5804 | vlnb | 2014-09-13 04:35:12 +0300 (Sat, 13 Sep 2014) | 3 lines
  
  Web updates
........
  r5805 | vlnb | 2014-09-13 04:37:12 +0300 (Sat, 13 Sep 2014) | 3 lines
  
  Update root README to use symlink instead of bind mount for QLogic git driver integration
........
  r5806 | bvassche | 2014-09-15 15:30:43 +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
........
  r5808 | bvassche | 2014-09-16 14:06:00 +0300 (Tue, 16 Sep 2014) | 6 lines
  
  scst/src/Makefile: Make "make install" without prior "make" work
      
  Avoid that MOD_VERS and MODS_VERS evaluate to an empty string.
      
  Reported-by: Yan Burman <yanb@mellanox.com>
........
  r5810 | bvassche | 2014-09-17 13:54:25 +0300 (Wed, 17 Sep 2014) | 1 line
  
  scst_vdisk: Insert a blank line
........
  r5811 | bvassche | 2014-09-17 13:56:40 +0300 (Wed, 17 Sep 2014) | 14 lines
  
  vdisk_blockio: Make large COMPARE AND WRITE requests work for stacked block devices
      
  Stacked block devices impose weird restrictions on S/G-lists. Hence
  make the COMPARE AND WRITE implementation independent of these
  restrictions.
      
  Additionally, reduce the MAXIMUM COMPARE AND WRITE LENGTH limit from
  0xff (no limit) to 0xfe to reduce the maximum amount of memory allocated
  during a COMPARE AND WRITE. Also serialize COMPARE AND WRITE
  operations, fix the offset reported for miscompares and fix the start
  offset of the region that is synchronized if the FUA bit has been set.
      
  Reported-by: Vishal Tripathi <vishal.tripathi@calsoftinc.com>
........
  r5814 | bvassche | 2014-09-18 10:08:49 +0300 (Thu, 18 Sep 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5816 | vlnb | 2014-09-20 09:31:43 +0300 (Sat, 20 Sep 2014) | 3 lines
  
  Web updates
........
  r5817 | bvassche | 2014-09-28 21:54:04 +0200 (Sun, 28 Sep 2014) | 1 line
  
  scripts/rebuild-rhel-kernel-rpm: Enable put_page_callback patch for RHEL 7
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5819 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-09-29 08:31:12 +00:00
Yan Burman e4c7d430c1 Merged revisions 5536-5539,5543,5545,5547,5555,5557-5558,5560-5563,5566-5575,5577-5579,5581-5590,5592-5598,5600-5603,5605-5622,5624-5631,5647-5651,5654,5657-5659,5661-5662 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5536 | vlnb | 2014-05-22 06:06:46 +0300 (Thu, 22 May 2014) | 3 lines
  
  Version changed to 3.1.0-pre1
........
  r5537 | vlnb | 2014-05-22 06:18:27 +0300 (Thu, 22 May 2014) | 3 lines
  
  Web updates
........
  r5538 | bvassche | 2014-05-22 10:16:04 +0300 (Thu, 22 May 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5539 | vlnb | 2014-05-23 05:20:35 +0300 (Fri, 23 May 2014) | 9 lines
  
  vdisk_nullio: Add "read_zero" attribute
  
  Add an attribute called "read_zero" to vdisk_nullio devices that
  controls whether or not READs from a vdisk_nullio device return
  zeroed data buffers.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5543 | bvassche | 2014-05-23 10:33:53 +0300 (Fri, 23 May 2014) | 1 line
  
  RHEL 7 build fixes
........
  r5545 | bvassche | 2014-05-23 11:36:36 +0300 (Fri, 23 May 2014) | 1 line
  
  scripts/rebuild-rhel-kernel-rpm: Add RHEL 7 RC support
........
  r5547 | vlnb | 2014-05-24 06:10:34 +0300 (Sat, 24 May 2014) | 3 lines
  
  Optimize read_zero functionality
........
  r5555 | bvassche | 2014-05-27 14:59:11 +0300 (Tue, 27 May 2014) | 5 lines
  
  qla2x00t: Documentation / source code comment / log messages spelling fix
  
  Change a few occurrences of "conformation" into "confirmation". See also the
  QLogic 2500 Series Firmware Interface Specification.
........
  r5557 | vlnb | 2014-05-30 03:42:34 +0300 (Fri, 30 May 2014) | 5 lines
  
  Small code reorganization.
  
  No functionality changed
........
  r5558 | vlnb | 2014-05-30 06:00:07 +0300 (Fri, 30 May 2014) | 3 lines
  
  Logging fixes
........
  r5560 | bvassche | 2014-06-02 18:31:50 +0300 (Mon, 02 Jun 2014) | 1 line
  
  Makefile: Only report which RPMs have been built if "make rpm" is run as a non-privileged user
........
  r5561 | bvassche | 2014-06-03 09:04:47 +0300 (Tue, 03 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5562 | vlnb | 2014-06-04 04:54:21 +0300 (Wed, 04 Jun 2014) | 3 lines
  
  Decrease max WRITE SAME length for better latencies
........
  r5563 | vlnb | 2014-06-04 05:16:51 +0300 (Wed, 04 Jun 2014) | 3 lines
  
  Enforce limit on max unmap LBAs
........
  r5566 | bvassche | 2014-06-04 18:14:22 +0300 (Wed, 04 Jun 2014) | 1 line
  
  ib_srpt: Fix an error message
........
  r5567 | bvassche | 2014-06-04 18:17:59 +0300 (Wed, 04 Jun 2014) | 1 line
  
  ib_srpt: Avoid triggering a SCSI command timeout after login
........
  r5568 | bvassche | 2014-06-05 09:34:19 +0300 (Thu, 05 Jun 2014) | 1 line
  
  scst_vdisk: Build fix for kernel versions <= 2.6.32
........
  r5569 | bvassche | 2014-06-05 09:46:57 +0300 (Thu, 05 Jun 2014) | 1 line
  
  scst_vdisk: Fix a kernel version < 2.6.38 compiler warning
........
  r5570 | vlnb | 2014-06-06 06:20:26 +0300 (Fri, 06 Jun 2014) | 8 lines
  
  scst_lib: Fix a compiler warning triggered by the WRITE SAME implementation
  
  Avoid for release builds that the compiler reports that the variable
  'ws_sg_cnt' is not used.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5571 | vlnb | 2014-06-06 06:22:14 +0300 (Fri, 06 Jun 2014) | 7 lines
  
  nullio_exec_read(): Fix kunmap() argument
  
  The argument of kunmap() is of type struct page *. Detected by smatch.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5572 | vlnb | 2014-06-06 06:24:03 +0300 (Fri, 06 Jun 2014) | 11 lines
  
  scst: Leave out FSF mail address
  
  This avoids that the following checkpatch complaint is triggered:
  
  Do not include the paragraph about writing to the Free Software Foundation's
  mailing address from the sample GPL notice. The FSF has changed addresses in
  the past, and may do so again. Linux already includes a copy of the GPL.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5573 | vlnb | 2014-06-06 06:26:55 +0300 (Fri, 06 Jun 2014) | 10 lines
  
  scst: Make lockdep_assert_held() easier to use
  
  The lockdep_assert_held() macro is a convenient debugging tool.
  However, it is inconvenient to surround each invocation of that
  macro by an #ifdef/#endif pair. Hence make it easier to use this
  macro with older kernel versions.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5574 | vlnb | 2014-06-07 00:59:24 +0300 (Sat, 07 Jun 2014) | 3 lines
  
  Use limits.discard_zeroes_data to set LBPRZ
........
  r5575 | bvassche | 2014-06-07 13:46:49 +0300 (Sat, 07 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5577 | bvassche | 2014-06-10 17:16:14 +0300 (Tue, 10 Jun 2014) | 1 line
  
  ib_srpt: Make the test for IB_EVENT_GID_CHANGE support more robust
........
  r5578 | bvassche | 2014-06-10 17:49:59 +0300 (Tue, 10 Jun 2014) | 1 line
  
  ib_srpt: Make IB_EVENT_GID_CHANGE test independent of the OFED detection code
........
  r5579 | bvassche | 2014-06-11 13:02:15 +0300 (Wed, 11 Jun 2014) | 1 line
  
  ib_srpt: RHEL 5 build fix
........
  r5581 | bvassche | 2014-06-11 18:27:06 +0300 (Wed, 11 Jun 2014) | 1 line
  
  regression tests: Sync with a recent sysfs change
........
  r5582 | bvassche | 2014-06-11 18:27:48 +0300 (Wed, 11 Jun 2014) | 1 line
  
  regression tests: Sort hash keys before comparing
........
  r5583 | bvassche | 2014-06-11 18:41:01 +0300 (Wed, 11 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5584 | vlnb | 2014-06-11 22:33:18 +0300 (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>
........
  r5585 | vlnb | 2014-06-11 22:38:10 +0300 (Wed, 11 Jun 2014) | 11 lines
  
  scst: Remove unused variables
  
  Avoid that building scst with W=1 triggers compiler warnings about
  variables that are set but not used. See also the documentation of
  the gcc compiler flag -Wunused-but-set-variable.
  
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5586 | vlnb | 2014-06-11 22:39:51 +0300 (Wed, 11 Jun 2014) | 9 lines
  
  scst_lib: Introduce additional temporary variables
  
  Make the code slightly easier to read by introducing temporary
  variables for the expressions 'tgt_dev->sess' and 'sess->tgt->tgtt'.
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5587 | vlnb | 2014-06-11 23:57:03 +0300 (Wed, 11 Jun 2014) | 10 lines
  
  scst: Add support for 64-bit LUNs
  
  The datatype of scsi_device.lun will be changed from u32 into u64
  in the near future. Update SCST accordingly. These changes have
  been implemented such that these are compatible with 32-bit and
  64-bit LUNs.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5588 | vlnb | 2014-06-12 00:00:16 +0300 (Thu, 12 Jun 2014) | 9 lines
  
  scst_local: Support LUN numbers >= 16384
  
  Add support for 32-bit LUN numbers. As soon as the patches that add
  64-bit LUN support are upstream this patch will also make 64-bit
  LUN support available in scst_local.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5589 | vlnb | 2014-06-12 00:42:08 +0300 (Thu, 12 Jun 2014) | 8 lines
  
  scst: Clean up __scst_resume_activity()
  
  Move all management commands from scst_delayed_mgmt_cmd_list to the
  active command list during resume instead of only the first one.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5590 | vlnb | 2014-06-12 01:07:00 +0300 (Thu, 12 Jun 2014) | 9 lines
  
  scst: Introduce scst_lookup_tgt_dev()
  
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
  
  with some improvements
........
  r5592 | bvassche | 2014-06-12 11:38:45 +0300 (Thu, 12 Jun 2014) | 7 lines
  
  scst.h: Move definition of swap()
  
  Make sure that the definition of swap() is guarded by
  "#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)" only instead
  of "#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 28)" and
  "#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 29)".
........
  r5593 | bvassche | 2014-06-12 12:15:50 +0300 (Thu, 12 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5594 | bvassche | 2014-06-12 14:33:00 +0300 (Thu, 12 Jun 2014) | 1 line
  
  ib_srpt: Set MOFED include path correctly if MOFED has been installed with --add-kernel-support
........
  r5595 | bvassche | 2014-06-12 16:38:38 +0300 (Thu, 12 Jun 2014) | 1 line
  
  ib_srpt: Make non-OFED build work again
........
  r5596 | vlnb | 2014-06-13 07:52:18 +0300 (Fri, 13 Jun 2014) | 16 lines
  
  scst: Switch from the cpu_*() to the cpumask_*() API
  
  The cpus_*() functions were deprecated via patch "cpumask:
  introduce new API, without changing anything" (November 2008,
  commit ID 2d3854a37e8b). Hence switch from the cpus_*() API to
  the cpumask_*() API.
  
  This patch has the intended side effect of not adding the "[key]"
  property to cpumask sysfs attributes that contain the default
  cpumask. The current code namely reads uninitialized bits on
  systems where nr_cpu_ids < NR_CPUS because cpus_equal() compares
  more bits than those that were set by cpumask_copy().
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5597 | vlnb | 2014-06-13 08:03:17 +0300 (Fri, 13 Jun 2014) | 3 lines
  
  Forgotten versions updated
........
  r5598 | bvassche | 2014-06-13 09:55:23 +0300 (Fri, 13 Jun 2014) | 1 line
  
  ib_srpt: Make one_target_per_port the default mode
........
  r5600 | vlnb | 2014-06-14 01:24:06 +0300 (Sat, 14 Jun 2014) | 9 lines
  
  scst: Avoid that W=1 triggers complaints about unused variables
  
  Avoid that building scst with W=1 triggers compiler warnings about
  variables that are set but not used. See also the documentation of
  the gcc compiler flag -Wunused-but-set-variable.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5601 | vlnb | 2014-06-14 01:31:42 +0300 (Sat, 14 Jun 2014) | 8 lines
  
  scst_local: Add close_session() callback function
  
  This is useful for triggering the session reassignment code via
  the scst_local driver.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5602 | vlnb | 2014-06-14 02:57:26 +0300 (Sat, 14 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>
........
  r5603 | vlnb | 2014-06-14 02:58:28 +0300 (Sat, 14 Jun 2014) | 5 lines
  
  scst: Help Coverity recognize that vmalloc(0) returns NULL
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5605 | bvassche | 2014-06-14 20:10:58 +0300 (Sat, 14 Jun 2014) | 1 line
  
  fcst: Remove an unused variable
........
  r5606 | bvassche | 2014-06-14 20:17:56 +0300 (Sat, 14 Jun 2014) | 5 lines
  
  fcst: Move exch_done() calls into ft_cmd_done()
  
  This patch ensures that exch_done() gets called if an fcst
  callback returns SCST_TGT_RES_FATAL_ERROR.
........
  r5607 | bvassche | 2014-06-14 20:18:34 +0300 (Sat, 14 Jun 2014) | 10 lines
  
  fcst: Handle frame send failures properly
  
  Retry sending XFER_RDY, data and response frames if the network
  driver reports that sending failed (-ENOMEM) instead of reporting
  a kernel warning (WARN_ON(1)). If sending XFER_RDY or data frames
  failed for another reason, report this to the initiator as a
  write error (ASC = 03; ASCQ = 00 which stands for PERIPHERAL
  DEVICE WRITE FAULT). If sending a response frame failed with
  another error code than -ENOMEM, do not send a response.
........
  r5608 | vlnb | 2014-06-17 03:50:46 +0300 (Tue, 17 Jun 2014) | 10 lines
  
  scst: Make access control group removal behavior configurable
  
  SCST rejects removal of an access control group with one or more
  sessions with error code -EBUSY. Make it easy to change this
  behavior into forcibly closing sessions when an access control
  group is removed.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5609 | bvassche | 2014-06-17 09:37:08 +0300 (Tue, 17 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5610 | vlnb | 2014-06-19 06:51:48 +0300 (Thu, 19 Jun 2014) | 3 lines
  
  Update for 3.15 kernels
........
  r5611 | bvassche | 2014-06-19 10:09:53 +0300 (Thu, 19 Jun 2014) | 1 line
  
  nightly build: Add kernel 3.15 build infrastructure
........
  r5612 | bvassche | 2014-06-19 15:48:25 +0300 (Thu, 19 Jun 2014) | 1 line
  
  kernel module installation: Skip "depmod" when building an RPM
........
  r5613 | vlnb | 2014-06-20 07:00:41 +0300 (Fri, 20 Jun 2014) | 8 lines
  
  scst: Convert a loop to keep smatch happy
  
  Avoid that smatch reports the following warning:
  scst_init_session() info: loop could be replaced with if statement.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5614 | vlnb | 2014-06-20 07:02:00 +0300 (Fri, 20 Jun 2014) | 13 lines
  
  iscsi-scst: Suppress a compiler warning
  
  Avoid that the following compiler warning is reported when compiling
  iscsi-scst:
  
  chap.c: In function 'chap_rand':
  chap.c:348:5: warning: ignoring return value of 'read', declared with attribute warn_unused_result [-Wunused-result]
       (void)read(fd, &r, sizeof(r));
       ^
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5615 | vlnb | 2014-06-20 07:03:40 +0300 (Fri, 20 Jun 2014) | 5 lines
  
  scst, iscsi-scst: Fix RHEL 5 compilation warnings
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5616 | vlnb | 2014-06-20 07:05:11 +0300 (Fri, 20 Jun 2014) | 10 lines
  
  scst: Exclude certain locking code from static analysis
  
  Loops with locking statements and also lock and unlock
  statements guarded by an if-statement trigger false positive
  warnings when analyzing the SCST code with smatch and/or sparse.
  Hence exclude such code from static analysis.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5617 | vlnb | 2014-06-20 07:09:11 +0300 (Fri, 20 Jun 2014) | 10 lines
  
  scst: Avoid that sparse complains about unreachable code
  
  Remove the code after BUG() statements to avoid that smatch
  complains about unreachable code. Hide the spin_unlock() statements
  before BUG() statements for static analysis tools to avoid that
  sparse complains about locking imbalances.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5618 | vlnb | 2014-06-20 07:10:40 +0300 (Fri, 20 Jun 2014) | 12 lines
  
  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>
........
  r5619 | bvassche | 2014-06-20 08:56:36 +0300 (Fri, 20 Jun 2014) | 1 line
  
  nightly build: Add kernel version 3.15.1
........
  r5620 | vlnb | 2014-06-24 07:45:08 +0300 (Tue, 24 Jun 2014) | 9 lines
  
  scst_vdisk: Split vdisk_exec_inquiry()
  
  Make vdisk_exec_inquiry() easier to read by moving the code
  for the implementation of each VPD page into a separate function.
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5621 | bvassche | 2014-06-24 16:32:18 +0300 (Tue, 24 Jun 2014) | 1 line
  
  ib_srpt: Complain if another ib_srpt.ko kernel module already exists
........
  r5622 | bvassche | 2014-06-24 16:33:23 +0300 (Tue, 24 Jun 2014) | 2 lines
  
  ib_srpt: Set SCSI residual fields in SRP_CMD reply
........
  r5624 | bvassche | 2014-06-25 14:50:40 +0300 (Wed, 25 Jun 2014) | 1 line
  
  nightly build: Use http instead of ftp for downloading kernel source code
........
  r5625 | vlnb | 2014-06-26 00:38:19 +0300 (Thu, 26 Jun 2014) | 5 lines
  
  scst_debug.h: Make EXTRACHECKS_*_ON() statements visible to Coverity
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5626 | vlnb | 2014-06-27 02:26:25 +0300 (Fri, 27 Jun 2014) | 10 lines
  
  scst_vdisk: Three more put_unaligned_*() conversions
  
  Convert three more *(__be16 *)p = cpu_to_be16(v) statements into
  put_unaligned_be16(v, p) since the latter is easier to read. Also
  convert one "cmd->dev" into "dev" expression. This patch does not
  change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5627 | bvassche | 2014-06-27 13:32:02 +0300 (Fri, 27 Jun 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5628 | bvassche | 2014-06-28 22:56:36 +0300 (Sat, 28 Jun 2014) | 1 line
  
  ib_srpt: Remove existing ib_srpt.ko kernel modules before installation
........
  r5629 | bvassche | 2014-06-28 22:58:44 +0300 (Sat, 28 Jun 2014) | 6 lines
  
  scst_vdisk: Fix 32-bit build
  
  Avoid 64-bit modulo computations since these result in undefined symbol
  errors on 32-bit systems (__moddi3 / __umoddi3). Support sizes >= 2**32
  bytes on 32-bit systems.
........
  r5630 | bvassche | 2014-06-28 23:00:22 +0300 (Sat, 28 Jun 2014) | 1 line
  
  scst.spec.in: Follow-up for r5628
........
  r5631 | bvassche | 2014-06-28 23:15:45 +0300 (Sat, 28 Jun 2014) | 1 line
  
  scst_local: Avoid that session deletion triggers a kernel warning
........
  r5647 | bvassche | 2014-06-30 10:18:53 +0300 (Mon, 30 Jun 2014) | 1 line
  
  scst: Build fix for Linux kernel versions 2.6.33 and 2.6.34
........
  r5648 | bvassche | 2014-06-30 10:28:18 +0300 (Mon, 30 Jun 2014) | 1 line
  
  scst: Build fix for kernel versions <= 2.6.31
........
  r5649 | bvassche | 2014-06-30 11:40:23 +0300 (Mon, 30 Jun 2014) | 6 lines
  
  scst_vdisk: Fix a checkpatch warning
  
  Address the following checkpatch warning:
  
  char * array declaration might be better as static const
........
  r5650 | bvassche | 2014-06-30 11:52:06 +0300 (Mon, 30 Jun 2014) | 1 line
  
  nightly build: Correct a kernel version
........
  r5651 | bvassche | 2014-06-30 12:18:41 +0300 (Mon, 30 Jun 2014) | 1 line
  
  nightly build: Correct a kernel version
........
  r5654 | bvassche | 2014-07-01 09:38:13 +0300 (Tue, 01 Jul 2014) | 6 lines
  
  scst_vdisk: Fix a checkpatch warning
  
  Avoid that checkpatch reports the following warning:
  
  WARNING: static const char * array should probably be static const char * const
........
  r5657 | bvassche | 2014-07-01 19:46:12 +0300 (Tue, 01 Jul 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5658 | bvassche | 2014-07-03 11:36:48 +0300 (Thu, 03 Jul 2014) | 1 line
  
  scripts/kernel-functions: Handle 3.x.0 kernel versions correctly
........
  r5659 | bvassche | 2014-07-03 11:42:08 +0300 (Thu, 03 Jul 2014) | 1 line
  
  scripts/generate-patched-kernel: Clean up
........
  r5661 | bvassche | 2014-07-04 08:39:28 +0300 (Fri, 04 Jul 2014) | 1 line
  
  Make scripts/kernel-functions again compatible with 2.6.x kernels
........
  r5662 | bvassche | 2014-07-06 11:02:28 +0300 (Sun, 06 Jul 2014) | 1 line
  
  scripts/run-regression-tests: Add command-line option -4 (disable IPv6)
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5666 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-07-07 10:36:05 +00:00
Yan Burman 6a2d41b480 Merged revisions 5456-5485,5487-5508 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5456 | bvassche | 2014-04-23 08:15:57 +0300 (Wed, 23 Apr 2014) | 1 line
  
  scst/README: Update implicit ALUA section
........
  r5457 | bvassche | 2014-04-23 11:57:17 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt: RHEL 5.9 build fix
........
  r5458 | bvassche | 2014-04-23 11:59:18 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt: Clean up the CM event handling code
........
  r5459 | bvassche | 2014-04-23 12:02:29 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt: Clean up the CM event handling code (part 2)
........
  r5460 | bvassche | 2014-04-23 12:04:15 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt, RDMA/CM: Avoid hanging sessions due to a cable pull
........
  r5461 | bvassche | 2014-04-23 12:20:52 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt: RHEL 5.9 build fix (part 2)
........
  r5462 | bvassche | 2014-04-23 16:38:54 +0300 (Wed, 23 Apr 2014) | 1 line
  
  ib_srpt: Clean up the CM event handling messages (part 3)
........
  r5463 | vlnb | 2014-04-24 03:07:22 +0300 (Thu, 24 Apr 2014) | 3 lines
  
  Cleanups
........
  r5464 | vlnb | 2014-04-24 05:30:52 +0300 (Thu, 24 Apr 2014) | 35 lines
  
  scst_lib: Avoid integer overflows
  
  This patch fixes the following kernel oops:
  
  [3696]: scst: scst_parse_cmd:826:Warning: expected transfer length 522240 for opcode 0x08 (handler vcdrom, target iscsi) doesn't match decoded value -2048
  [3696]: scst_parse_cmd:828:Suspicious CDB:
   (h)___0__1__2__3__4__5__6__7__8__9__A__B__C__D__E__F
     0: 08 1f ff ff ff 00   ......
  BUG: unable to handle kernel paging request at ffff88283597f0c8
  IP: [<ffffffff8135c3af>] sg_init_table+0x5f/0x90
  Call Trace:
   [<ffffffffa021eb48>] sgv_pool_alloc+0x3b8/0xbf0 [scst]
   [<ffffffffa0204c16>] scst_alloc_space+0xb6/0x290 [scst]
   [<ffffffffa01e2d28>] scst_prepare_space+0x3b8/0x6e0 [scst]
   [<ffffffffa01ef4a5>] scst_process_active_cmd+0x455/0x7e0 [scst]
   [<ffffffffa01efb22>] scst_cmd_init_done+0x2f2/0x5c0 [scst]
   [<ffffffffa0156ac2>] scst_cmd_init_stage1_done.constprop.37+0x12/0x20 [iscsi_scst]
   [<ffffffffa015d9fa>] scsi_cmnd_start+0x25a/0x550 [iscsi_scst]
   [<ffffffffa015e4b8>] cmnd_rx_start+0x148/0x1a0 [iscsi_scst]
   [<ffffffffa0161598>] process_read_io+0x3b8/0x800 [iscsi_scst]
   [<ffffffffa0161aa7>] scst_do_job_rd+0xc7/0x220 [iscsi_scst]
   [<ffffffffa016208d>] istrd+0x16d/0x2e0 [iscsi_scst]
   [<ffffffff81075bad>] kthread+0xed/0x110
   [<ffffffff816dd5bc>] ret_from_fork+0x7c/0xb0
  
  and causes the following message to be reported instead:
  
  [11269]: scst: scst_generic_parse:7402:***WARNING***: bufflen 16777215, data_len 16777215 or out_bufflen 0 too large for device disk12 (block size 2048)
  scst_generic_parse:CDB:
   (h)___0__1__2__3__4__5__6__7__8__9__A__B__C__D__E__F
     0: 08 1f ff ff ff 00   ......
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5465 | vlnb | 2014-04-24 05:33:07 +0300 (Thu, 24 Apr 2014) | 5 lines
  
  scst_targ: Clarify a comment
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5466 | vlnb | 2014-04-24 05:39:05 +0300 (Thu, 24 Apr 2014) | 12 lines
  
  scst: Avoid that smatch complains about dead code
  
  The panic() function that implements BUG() has been declared with attribute
  noreturn in some RHEL 5 kernel headers and also in the RHEL 6 kernel headers.
  Smatch warns about dead code if any code follows a function that has been
  declared with attribute noreturn. Hence add a few preprocessor statements to
  suppress the smatch warning when building against an upstream kernel or when
  building against RHEL 6 or later.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5467 | vlnb | 2014-04-24 06:15:12 +0300 (Thu, 24 Apr 2014) | 3 lines
  
  Fix queuing of UA for aborted by PREEMPT AND ABORT, if TAS is 0, + some clarifications
........
  r5468 | vlnb | 2014-04-24 07:03:51 +0300 (Thu, 24 Apr 2014) | 6 lines
  
  Fix for TARGET RESET race
  
  It can happen, when a device added after blocking, so unblocking then
  will make dev->block_count of the new device negative.
........
  r5469 | bvassche | 2014-04-24 11:41:15 +0300 (Thu, 24 Apr 2014) | 1 line
  
  scst/README: Update multipathd information in implicit ALUA section
........
  r5470 | bvassche | 2014-04-24 13:37:58 +0300 (Thu, 24 Apr 2014) | 1 line
  
  ib_srpt: OFED 3.12 build fix
........
  r5471 | bvassche | 2014-04-24 13:38:37 +0300 (Thu, 24 Apr 2014) | 1 line
  
  ib_srpt: Add support in the Makefile for MLNX OFED and for OFED 3.x
........
  r5472 | bvassche | 2014-04-24 14:11:26 +0300 (Thu, 24 Apr 2014) | 1 line
  
  ib_srpt: Make srpt_disconnect_ch() close sessions properly that have not yet reached the connected state
........
  r5473 | bvassche | 2014-04-24 15:27:00 +0300 (Thu, 24 Apr 2014) | 1 line
  
  ib_srpt, Makefile: Introduce the OFED_KERNEL_DIR variable
........
  r5474 | bvassche | 2014-04-24 21:43:41 +0300 (Thu, 24 Apr 2014) | 1 line
  
  ib_srpt: Unload properly with RDMA/CM disabled
........
  r5475 | bvassche | 2014-04-24 21:45:23 +0300 (Thu, 24 Apr 2014) | 1 line
  
  scstadmin, regression tests: Follow-up for r5409
........
  r5476 | bvassche | 2014-04-24 21:49:52 +0300 (Thu, 24 Apr 2014) | 16 lines
  
  scst: Avoid that reassigning a session triggers a kernel crash
  
  This patch fixes the following kernel bug:
  
  BUG: unable to handle kernel NULL pointer dereference at 0000000000000064
  IP: [<ffffffffa069e59c>] scst_alloc_add_tgt_dev+0x9c/0x540 [scst]
  Call Trace:
   [<ffffffffa06a1b57>] scst_check_reassign_sessions+0x367/0x3b0 [scst]
   [<ffffffffa06a1cb7>] scst_acg_add_acn+0x117/0x1a0 [scst]
   [<ffffffffa06a5e42>] scst_acg_ini_mgmt_store_work_fn+0x152/0x370 [scst]
   [<ffffffffa06a93a6>] sysfs_work_thread_fn+0xa6/0x2f0 [scst]
   [<ffffffff8108dd72>] kthread+0xd2/0xf0
   [<ffffffff816912bc>] ret_from_fork+0x7c/0xb0
  
  Reported-by: Zhen Xu <zhenxu.zj@gmail.com>
........
  r5477 | vlnb | 2014-04-25 02:07:58 +0300 (Fri, 25 Apr 2014) | 3 lines
  
  Minor logging cleanup
........
  r5478 | vlnb | 2014-04-25 02:44:25 +0300 (Fri, 25 Apr 2014) | 3 lines
  
  Cleanup
........
  r5479 | vlnb | 2014-04-25 05:03:04 +0300 (Fri, 25 Apr 2014) | 3 lines
  
  Saved mode pages added
........
  r5480 | vlnb | 2014-04-25 05:47:31 +0300 (Fri, 25 Apr 2014) | 3 lines
  
  Follow up for the previous commit
........
  r5481 | vlnb | 2014-04-26 04:56:36 +0300 (Sat, 26 Apr 2014) | 3 lines
  
  Processing of QErr and TMF_ONLY added
........
  r5482 | vlnb | 2014-04-26 05:12:17 +0300 (Sat, 26 Apr 2014) | 3 lines
  
  Cleanups
........
  r5483 | bvassche | 2014-04-26 09:32:32 +0300 (Sat, 26 Apr 2014) | 7 lines
  
  scst: Fix recently introduced checkpatch complaints about whitespace
  
  Fix two instances of the following checkpatch errors:
  
  ERROR: code indent should use tabs where possible
  ERROR: spaces required around that ':' (ctx:VxW)
........
  r5484 | bvassche | 2014-04-27 09:26:29 +0300 (Sun, 27 Apr 2014) | 6 lines
  
  scst_const.h: Fix a checkpatch complaint about whitespace
  
  Avoid that checkpatch reports the following warning message:
  
  WARNING: please, no space before tabs
........
  r5485 | bvassche | 2014-04-28 12:29:25 +0300 (Mon, 28 Apr 2014) | 5 lines
  
  scst: Export scst_path_put()
  
  This patch makes the code that was added via r5479 build against kernel
  version 2.6.38 and before.
........
  r5487 | vlnb | 2014-04-28 23:31:14 +0300 (Mon, 28 Apr 2014) | 3 lines
  
  Cleanups
........
  r5488 | vlnb | 2014-04-29 00:38:22 +0300 (Tue, 29 Apr 2014) | 3 lines
  
  Returned sense cleanups
........
  r5489 | vlnb | 2014-04-29 01:30:03 +0300 (Tue, 29 Apr 2014) | 3 lines
  
  Let REPORT SUPPORTED OPERATION CODES be handled by dev handler as well
........
  r5490 | vlnb | 2014-04-29 03:13:24 +0300 (Tue, 29 Apr 2014) | 6 lines
  
  It's wrong to clean reservation on failed RESERVE commands
  
  With multiple outstanding commands it can open a race window leading to
  loose of a valid reservation
........
  r5491 | vlnb | 2014-04-29 04:32:13 +0300 (Tue, 29 Apr 2014) | 3 lines
  
  SCSI logging improvements
........
  r5492 | vlnb | 2014-04-29 04:45:43 +0300 (Tue, 29 Apr 2014) | 3 lines
  
  Missed hunk in the previous commit
........
  r5493 | vlnb | 2014-04-29 05:09:29 +0300 (Tue, 29 Apr 2014) | 3 lines
  
  Minor logging improvement
........
  r5494 | bvassche | 2014-04-29 15:35:41 +0300 (Tue, 29 Apr 2014) | 1 line
  
  ib_srpt, README: Fix RDMA/CM login instructions
........
  r5495 | bvassche | 2014-04-29 15:39:50 +0300 (Tue, 29 Apr 2014) | 4 lines
  
  ib_srpt: Make LUN masking work again
  
  This patch fixes a regression that was introduced in r5425.
........
  r5496 | vlnb | 2014-04-30 04:04:27 +0300 (Wed, 30 Apr 2014) | 3 lines
  
  Extended INQUIRY page added
........
  r5497 | vlnb | 2014-04-30 04:07:41 +0300 (Wed, 30 Apr 2014) | 3 lines
  
  Cleanup
........
  r5498 | bvassche | 2014-04-30 08:30:45 +0300 (Wed, 30 Apr 2014) | 1 line
  
  ib_srpt: Fix two recently introduced checkpatch complaints about whitespace
........
  r5499 | bvassche | 2014-04-30 09:01:17 +0300 (Wed, 30 Apr 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5500 | vlnb | 2014-05-02 05:50:12 +0300 (Fri, 02 May 2014) | 3 lines
  
  Fix CDROM empty case
........
  r5501 | vlnb | 2014-05-02 05:50:34 +0300 (Fri, 02 May 2014) | 3 lines
  
  Cleanups
........
  r5502 | vlnb | 2014-05-02 05:56:19 +0300 (Fri, 02 May 2014) | 9 lines
  
  scst_sysfs: Save the value of the 'preferred' attribute only if it has been set
  
  The default value of the 'preferred' attribute is 0 (disabled). Hence
  it is only necessary that scstadmin saves the value of that attribute
  if it is not zero.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5503 | vlnb | 2014-05-07 02:22:32 +0300 (Wed, 07 May 2014) | 3 lines
  
  Cleanups and logging improvements
........
  r5504 | vlnb | 2014-05-07 05:13:11 +0300 (Wed, 07 May 2014) | 5 lines
  
  Fix COMMAND DATA LENGTH in All_commands parameter data of REPORT SUPPORTED OPERATION CODES
  
  Reported by Sebastian Herbszt <herbszt@gmx.de>
........
  r5505 | bvassche | 2014-05-07 11:38:47 +0300 (Wed, 07 May 2014) | 5 lines
  
  scst: Fix the procfs build
  
  Move the definition of scst_get_opcode_name() up such that it occurs
  outside #ifndef CONFIG_SCST_PROC / #endif. See also r5491.
........
  r5506 | bvassche | 2014-05-07 11:57:04 +0300 (Wed, 07 May 2014) | 4 lines
  
  scst_vdisk: Build fix for kernel versions < 2.6.37
      
  See also r5420 / r5479.
........
  r5507 | bvassche | 2014-05-07 16:42:56 +0300 (Wed, 07 May 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5508 | vlnb | 2014-05-08 05:28:49 +0300 (Thu, 08 May 2014) | 7 lines
  
  Avoid that the code for dumping the PR state triggers a race condition
  
  Callers of scst_pr_dump_prs() must hold dev_pr_mutex.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5509 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-05-08 08:32:01 +00:00
Yan Burman de6aa12e9c Merged revisions 5409-5452,5454 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5409 | bvassche | 2014-04-06 23:13:53 +0300 (Sun, 06 Apr 2014) | 4 lines
  
  scstadmin: Restore LUNs in "scstadmin -list_sessions" output
  
  Signed-off-by: Dave Butler <tears.the@gmail.com>
........
  r5410 | bvassche | 2014-04-06 23:26:08 +0300 (Sun, 06 Apr 2014) | 1 line
  
  scstadmin: List keys alphabetically in the -list_sessions output
........
  r5411 | vlnb | 2014-04-10 02:58:20 +0300 (Thu, 10 Apr 2014) | 10 lines
  
  vdisk_blockio: Specify REQ_SYNC for synchronous I/O requests
  
  Using READ_SYNC instead of READ increases the priority of read requests.
  Using WRITE_SYNC instead of REQ_WRITE increases the priority of write
  requests and avoids that the CFQ scheduler queues such writes waiting
  for further write requests.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5412 | vlnb | 2014-04-10 02:59:02 +0300 (Thu, 10 Apr 2014) | 18 lines
  
  vdisk_blockio: Reenable COMPARE AND WRITE
  
  The COMPARE AND WRITE implementation has been tested as follows against
  an SCST vdisk_blockio device:
  
  lba=7
  bdev=$bdev
  for ((i=0;i<4;i++)); do dd if=/dev/urandom of=b$i bs=8k count=1; done
  for p in "0 1" "1 2" "2 3" "3 0"; do set $p; cat b$1 b$2 >b$1$2; done
  dd if=/dev/urandom of=$bdev
  dd if=b0 of=$bdev seek=$lba
  md5sum $bdev
  for ((i=0;i<10000;i++)); do for f in b01 b12 b23 b30; do sg_compare_and_write -l $lba -i $f -n 16 -x 16384 $bdev; done; done
  md5sum $bdev
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5413 | bvassche | 2014-04-15 09:03:59 +0300 (Tue, 15 Apr 2014) | 1 line
  
  ib_srpt: Fix a sparse warning
........
  r5414 | vlnb | 2014-04-16 00:26:06 +0300 (Wed, 16 Apr 2014) | 5 lines
  
  Fix READ(6)/WRITE(6)
  
  LBA in those commands is 3 bytes long, not 2.
........
  r5415 | vlnb | 2014-04-16 00:30:26 +0300 (Wed, 16 Apr 2014) | 3 lines
  
  Add SYNCHRONIZE_CACHE(16)
........
  r5416 | vlnb | 2014-04-16 01:04:54 +0300 (Wed, 16 Apr 2014) | 6 lines
  
  Make HEAD OF QUEUE requests sync
  
  Since the block layer has no way to specify bio as HQ, there's no
  choice, but to use every measure to approximate it as close as possible.
........
  r5417 | vlnb | 2014-04-16 01:17:34 +0300 (Wed, 16 Apr 2014) | 3 lines
  
  Add NULLIO VERIFY
........
  r5418 | vlnb | 2014-04-16 04:02:50 +0300 (Wed, 16 Apr 2014) | 3 lines
  
  REPORT SUPPORTED OPERATION CODES added
........
  r5419 | vlnb | 2014-04-16 04:05:49 +0300 (Wed, 16 Apr 2014) | 3 lines
  
  Cleanup
........
  r5420 | vlnb | 2014-04-16 05:24:44 +0300 (Wed, 16 Apr 2014) | 3 lines
  
  Follow up for r5418: some cleanups and fixes
........
  r5421 | bvassche | 2014-04-16 09:17:19 +0300 (Wed, 16 Apr 2014) | 6 lines
  
  scst_targ: Fix a checkpatch complaint
  
  Avoid that checkpatch reports the following message:
  
  ERROR: space required before the open parenthesis '('
........
  r5422 | bvassche | 2014-04-16 09:35:19 +0300 (Wed, 16 Apr 2014) | 1 line
  
  scst_vdisk: Build fix for kernels < 2.6.36 (see also r5416)
........
  r5423 | bvassche | 2014-04-16 10:30:34 +0300 (Wed, 16 Apr 2014) | 6 lines
  
  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.
........
  r5424 | bvassche | 2014-04-16 11:01:58 +0300 (Wed, 16 Apr 2014) | 1 line
  
  ib_srpt: Constify two arguments of srpt_get_nexus()
........
  r5425 | bvassche | 2014-04-16 11:08:50 +0300 (Wed, 16 Apr 2014) | 1 line
  
  ib_srpt: Clean up the code that prints the dgid during login
........
  r5426 | bvassche | 2014-04-16 11:23:11 +0300 (Wed, 16 Apr 2014) | 1 line
  
  ib_srpt: Cache P_Key lookups
........
  r5427 | bvassche | 2014-04-16 12:14:31 +0300 (Wed, 16 Apr 2014) | 1 line
  
  ib_srpt: Remove a superfluous assignment
........
  r5428 | bvassche | 2014-04-16 12:31:56 +0300 (Wed, 16 Apr 2014) | 1 line
  
  scst_vdisk: Avoid that checkpatch complains about unnecessary line continuations
........
  r5429 | bvassche | 2014-04-16 12:35:18 +0300 (Wed, 16 Apr 2014) | 1 line
  
  scst_lib: Avoid that checkpatch complains about unnecessary line continuations
........
  r5430 | bvassche | 2014-04-17 09:09:41 +0300 (Thu, 17 Apr 2014) | 1 line
  
  scst_vdisk: Kernel 2.6.27 build fix
........
  r5431 | bvassche | 2014-04-17 09:12:07 +0300 (Thu, 17 Apr 2014) | 5 lines
  
  scst_vdisk: Fix a kernel 2.6.27 compiler warning
  
  Avoid that the compiler reports that variables 'start_sector' and 'nr_sects'
  are set but not used when building against kernel 2.6.27.
........
  r5432 | vlnb | 2014-04-18 03:32:51 +0300 (Fri, 18 Apr 2014) | 3 lines
  
  Update to kernels 3.14
........
  r5433 | bvassche | 2014-04-18 08:50:04 +0300 (Fri, 18 Apr 2014) | 1 line
  
  nightly build: Add kernel 3.14 build infrastructure
........
  r5434 | bvassche | 2014-04-18 08:54:29 +0300 (Fri, 18 Apr 2014) | 1 line
  
  nightly build: Add kernel version 3.14.1 and update other kernel versions
........
  r5435 | bvassche | 2014-04-18 08:56:35 +0300 (Fri, 18 Apr 2014) | 6 lines
  
  iscsi-scst: Fix a checkpatch warning
  
  Fix the following checkpatch 3.14 warning:
  
  Unnecessary parentheses - maybe == should be = ?
........
  r5436 | bvassche | 2014-04-18 09:03:34 +0300 (Fri, 18 Apr 2014) | 6 lines
  
  scst.h: Fix a checkpatch warning
  
  Fix the following checkpatch 3.14 warning:
  
  Unnecessary space after function pointer name
........
  r5437 | bvassche | 2014-04-18 09:08:07 +0300 (Fri, 18 Apr 2014) | 6 lines
  
  scst: Fix a checkpatch warning
  
  Fix the following checkpatch 3.14 warning:
      
  Unnecessary space after function pointer name
........
  r5438 | bvassche | 2014-04-18 09:13:03 +0300 (Fri, 18 Apr 2014) | 6 lines
  
  scst: Fix a checkpatch 3.14 warning about whitespace
  
  Fix the following checkpatch 3.14 warning:
  
  missing space after return type
........
  r5439 | bvassche | 2014-04-18 14:09:55 +0300 (Fri, 18 Apr 2014) | 1 line
  
  ib_srpt: Update README
........
  r5440 | bvassche | 2014-04-18 15:04:05 +0300 (Fri, 18 Apr 2014) | 2 lines
  
  ib_srpt: Move IB/CM knowledge out of srpt_cm_req_recv()
........
  r5441 | bvassche | 2014-04-18 15:08:00 +0300 (Fri, 18 Apr 2014) | 6 lines
  
  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.
........
  r5442 | bvassche | 2014-04-18 15:09:33 +0300 (Fri, 18 Apr 2014) | 5 lines
  
  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.
........
  r5443 | bvassche | 2014-04-18 15:10:47 +0300 (Fri, 18 Apr 2014) | 5 lines
  
  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.
........
  r5444 | bvassche | 2014-04-18 15:11:18 +0300 (Fri, 18 Apr 2014) | 2 lines
  
  ib_srpt: Move the code for checking the QP timeout
........
  r5445 | bvassche | 2014-04-18 15:22:30 +0300 (Fri, 18 Apr 2014) | 4 lines
  
  ib_srpt: Add RDMA/CM support
  
  Or in other words, add RoCE and iWARP support.
........
  r5446 | bvassche | 2014-04-18 15:38:39 +0300 (Fri, 18 Apr 2014) | 1 line
  
  ib_srpt: Build fix for kernel versions < 3.0
........
  r5447 | bvassche | 2014-04-18 15:44:48 +0300 (Fri, 18 Apr 2014) | 1 line
  
  ib_srpt: RHEL 6.5 build fix
........
  r5448 | bvassche | 2014-04-19 14:48:33 +0300 (Sat, 19 Apr 2014) | 1 line
  
  scst_vdisk, COMPARE AND WRITE: Convert a kernel warning into a SCSI sense code
........
  r5449 | bvassche | 2014-04-19 14:52:34 +0300 (Sat, 19 Apr 2014) | 33 lines
  
  vdisk_blockio: Make COMPARE AND WRITE compatible with the scsi_debug driver
  
  This patch fixes the following kernel oops:
  
  BUG: unable to handle kernel paging request at ffffeae380000690
  Call Trace:
   [<ffffffff812f69f9>] sg_miter_next+0x9/0xd0
   [<ffffffff812f6b60>] sg_copy_buffer+0xa0/0x100
   [<ffffffffa0507fc6>] do_device_access.isra.8+0xa6/0x150 [scsi_debug]
   [<ffffffffa05085f4>] resp_read+0xe4/0x240 [scsi_debug]
   [<ffffffffa050b285>] scsi_debug_queuecommand_lck+0x11e5/0x2060 [scsi_debug]
   [<ffffffffa050c130>] scsi_debug_queuecommand+0x30/0x48 [scsi_debug]
   [<ffffffff813fe23f>] scsi_dispatch_cmd+0xaf/0x260
   [<ffffffff814068ed>] scsi_request_fn+0x32d/0x540
   [<ffffffff812bda2a>] __blk_run_queue+0x2a/0x40
   [<ffffffff812c25a4>] blk_queue_bio+0x274/0x350
   [<ffffffff812bd878>] generic_make_request+0xa8/0xf0
   [<ffffffff812bd92c>] submit_bio+0x6c/0x140
   [<ffffffffa06247f6>] blockio_rw_sync.isra.29+0x106/0x170 [scst_vdisk]
   [<ffffffffa0629bf9>] vdisk_exec_caw+0xd9/0x3c0 [scst_vdisk]
   [<ffffffffa061ff5e>] vdev_do_job+0x9e/0x320 [scst_vdisk]
   [<ffffffffa0622c47>] non_fileio_exec+0x57/0xd0 [scst_vdisk]
   [<ffffffffa054cde2>] scst_do_real_exec+0x92/0x3b0 [scst]
   [<ffffffffa05502d2>] scst_exec_check_blocking+0xe2/0x300 [scst]
   [<ffffffffa055066b>] scst_exec_check_sn+0x17b/0x2d0 [scst]
   [<ffffffffa0553231>] scst_process_active_cmd+0x431/0x770 [scst]
   [<ffffffffa0554a0a>] scst_do_job_active+0xea/0x180 [scst]
   [<ffffffffa0554bc6>] scst_cmd_thread+0x126/0x290 [scst]
   [<ffffffff81075241>] kthread+0xc1/0xe0
   [<ffffffff81598ccc>] ret_from_fork+0x7c/0xb0
  
  Reported-by: Sebastian Herbszt <herbszt@gmx.de>
........
  r5450 | bvassche | 2014-04-20 09:24:23 +0300 (Sun, 20 Apr 2014) | 1 line
  
  iscsi-scst/kernel/patches/put_page_callback-3.2.57.patch: Add
........
  r5451 | bvassche | 2014-04-22 09:56:37 +0300 (Tue, 22 Apr 2014) | 1 line
  
  scst: Revert r5438, a whitespace-only change
........
  r5452 | bvassche | 2014-04-22 10:05:21 +0300 (Tue, 22 Apr 2014) | 1 line
  
  scripts/run-regression-tests: Suppress the checkpatch warning "missing space after return type"
........
  r5454 | bvassche | 2014-04-22 10:32:44 +0300 (Tue, 22 Apr 2014) | 1 line
  
  scst/README: Update the section about Linux initiator ALUA support
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5455 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-04-22 07:50:34 +00:00
Yan Burman 799ddae085 Merged revisions 5322-5326,5329-5340,5344-5371,5382-5407 via svnmerge from
svn+ssh://yanb123@svn.code.sf.net/p/scst/svn/trunk

........
  r5322 | vlnb | 2014-03-05 05:27:21 +0200 (Wed, 05 Mar 2014) | 13 lines
  
  scst_vdisk: Make vdisk_nullio size configurable
  
  Keep the default size of vdisk_nullio devices at VDISK_NULLIO_SIZE. Add
  a sysfs attribute 'size' which is the size of a vdisk device in
  bytes. Make the size of vdisk_nullio devices configurable. Accept
  "size" and "size_mb" as creation parameters for vdisk_nullio
  devices. Generate a CAPACITY DATA HAS CHANGED unit attention after size
  changes. Refuse any attempt to change the size into a number that is
  not a multiple of the block size.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5323 | bvassche | 2014-03-06 09:29:00 +0200 (Thu, 06 Mar 2014) | 1 line
  
  scst_vdisk: Avoid that smatch complains about unreachable code
........
  r5324 | vlnb | 2014-03-07 06:02:39 +0200 (Fri, 07 Mar 2014) | 27 lines
  
  PERSISTENT RESERVE IN: Suppress a kernel warning for small output buffer sizes
  
  This patch suppresses the following error message and kernel warning:
  
  scst: ***ERROR***: Too big response data len 24 (max 8), limiting it to the max (dev iis)
  Call Trace:
   [<ffffffff818b1193>] ? dump_stack+0x41/0x56
   [<ffffffffa01c1a8f>] ? scst_set_resp_data_len+0x82/0xb1 [scst]
   [<ffffffffa01ca80f>] ? scst_pr_read_reservation+0xbf/0xc4 [scst]
   [<ffffffffa01b707b>] ? scst_persistent_reserve_in_local+0x140/0x1ce [scst]
   [<ffffffffa01b7cee>] ? scst_exec_check_blocking+0x57/0xf1 [scst]
   [<ffffffffa01b85f4>] ? scst_process_active_cmd+0x86c/0x136f [scst]
   [<ffffffffa01b913c>] ? scst_do_job_active+0x45/0x5b [scst]
   [<ffffffffa01b939c>] ? scst_cmd_thread+0x218/0x2b7 [scst]
   [<ffffffff8105292a>] ? wake_up_bit+0x23/0x23
   [<ffffffffa01b9184>] ? scst_cmd_tasklet+0x32/0x32 [scst]
   [<ffffffff81052355>] ? kthread_freezable_should_stop+0x51/0x51
   [<ffffffffa01b9184>] ? scst_cmd_tasklet+0x32/0x32 [scst]
   [<ffffffff81052400>] ? kthread+0xab/0xb3
   [<ffffffff81052355>] ? kthread_freezable_should_stop+0x51/0x51
   [<ffffffff818b4e3c>] ? ret_from_fork+0x7c/0xb0
   [<ffffffff81052355>] ? kthread_freezable_should_stop+0x51/0x51
  
  Reported-by: Roman Bogdanov <bogdanovr@gmail.com>
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5325 | bvassche | 2014-03-08 15:30:29 +0200 (Sat, 08 Mar 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5326 | vlnb | 2014-03-13 05:50:37 +0200 (Thu, 13 Mar 2014) | 3 lines
  
  Update link to Gentoo HOWTO from Jurie Botha
........
  r5329 | vlnb | 2014-03-15 03:38:06 +0200 (Sat, 15 Mar 2014) | 3 lines
  
  Cleanup
........
  r5330 | vlnb | 2014-03-15 03:38:37 +0200 (Sat, 15 Mar 2014) | 3 lines
  
  Implement REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS command
........
  r5331 | vlnb | 2014-03-15 03:40:57 +0200 (Sat, 15 Mar 2014) | 8 lines
  
  scst_vdisk: Remove an unused parameter from vdisk_fsync*()
  
  The "struct vdisk_cmd_params *p" parameter is neither used by vdisk_fsync(),
  vdisk_fsync_blockio() nor by vdisk_fsync_fileio() so remove it.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5332 | vlnb | 2014-03-15 03:42:06 +0200 (Sat, 15 Mar 2014) | 8 lines
  
  vdisk_blockio: Change default vendor name back to "SCST_BIO"
  
  In r5316 the default vendor name for vdisk_blockio devices was changed
  into "SCST_FIO". Change this back into "SCST_BIO".
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5333 | vlnb | 2014-03-15 03:44:35 +0200 (Sat, 15 Mar 2014) | 8 lines
  
  vdisk_blockio: Add VERIFY implementation
  
  There is already an implementation of the VERIFY command for vdisk_fileio
  devices. Add an implementation for vdisk_blockio devices.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5334 | vlnb | 2014-03-15 04:01:17 +0200 (Sat, 15 Mar 2014) | 8 lines
  
  scst_vdisk: Implement COMPARE AND WRITE
  
  Ensure that COMPARE AND WRITE is executed atomically by serializing
  all COMPARE AND WRITE commands per device (SCST_SERIALIZED).
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5335 | vlnb | 2014-03-15 04:09:17 +0200 (Sat, 15 Mar 2014) | 5 lines
  
  Fix URL to SCST website
  
  Signed-off-by: Steven J. Magnani <steve@digidescorp.com>
........
  r5336 | vlnb | 2014-03-15 04:13:58 +0200 (Sat, 15 Mar 2014) | 3 lines
  
  Cleanup
........
  r5337 | bvassche | 2014-03-15 08:47:26 +0200 (Sat, 15 Mar 2014) | 1 line
  
  scripts/kernel-functions: Kernel 3.13.6 build fix
........
  r5338 | bvassche | 2014-03-16 15:38:50 +0200 (Sun, 16 Mar 2014) | 1 line
  
  srpt: Minor buid process terminology change
........
  r5339 | bvassche | 2014-03-18 17:35:13 +0200 (Tue, 18 Mar 2014) | 1 line
  
  ib_srpt: Avoid that session logout hangs sporadically
........
  r5340 | vlnb | 2014-03-19 06:28:46 +0200 (Wed, 19 Mar 2014) | 8 lines
  
  scst/README: Show how to read SCST sysfs attributes
  
  Make the behavior of SCST sysfs attributes more clear by adding
  examples in scst/README of code for reading and writing these attributes.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5344 | bvassche | 2014-03-20 17:13:50 +0200 (Thu, 20 Mar 2014) | 1 line
  
  ib_srpt: Simplify srpt_handle_cmd()
........
  r5345 | bvassche | 2014-03-20 17:14:45 +0200 (Thu, 20 Mar 2014) | 5 lines
  
  ib_srpt: Micro-optimize I/O context state manipulation
      
  All ioctx->state manipulations are serialized per command so it is
  not necessary to use locking to protect these manipulations.
........
  r5346 | bvassche | 2014-03-20 17:15:54 +0200 (Thu, 20 Mar 2014) | 8 lines
  
  ib_srpt: Handle GID change events properly
      
  The mlx4_core driver generates a GID change event after a port has been
  changed from IB into Ethernet mode. Avoid that this causes the following
  error message to appear in the system log:
      
  ib_srpt: ***ERROR***: received unrecognized IB event 18
........
  r5347 | bvassche | 2014-03-20 17:16:27 +0200 (Thu, 20 Mar 2014) | 1 line
  
  ib_srpt/Makefile: Add kerneldoc target
........
  r5348 | bvassche | 2014-03-20 17:17:04 +0200 (Thu, 20 Mar 2014) | 1 line
  
  ib_srpt: Fix an error reported by the kerneldoc tool
........
  r5349 | bvassche | 2014-03-20 17:18:06 +0200 (Thu, 20 Mar 2014) | 5 lines
  
  ib_srpt: Avoid that cmd_wait_list processing triggers command reordering
  
  Although harmless for SCSI commands with SIMPLE ordering, avoid that commands
  received before RTU can get reordered.
........
  r5350 | bvassche | 2014-03-20 17:18:38 +0200 (Thu, 20 Mar 2014) | 2 lines
  
  ib_srpt: Micro-optimize SRP_CMD parsing
........
  r5351 | bvassche | 2014-03-20 17:19:05 +0200 (Thu, 20 Mar 2014) | 1 line
  
  ib_srpt: Sync information unit memory only once
........
  r5352 | bvassche | 2014-03-20 17:19:34 +0200 (Thu, 20 Mar 2014) | 2 lines
  
  ib_srpt: Introduce a temporary variable in srpt_handle_new_iu()
........
  r5353 | bvassche | 2014-03-20 17:20:55 +0200 (Thu, 20 Mar 2014) | 2 lines
  
  ib_srpt: Micro-optimize polling
........
  r5354 | bvassche | 2014-03-20 17:22:19 +0200 (Thu, 20 Mar 2014) | 5 lines
  
  ib_srpt: Rework multi-channel support
  
  Store initiator and target port ID's once per nexus instead of in each
  channel data structure.
........
  r5355 | bvassche | 2014-03-20 17:23:16 +0200 (Thu, 20 Mar 2014) | 2 lines
  
  ib_srpt: Simplify channel state management code
........
  r5356 | bvassche | 2014-03-20 17:24:18 +0200 (Thu, 20 Mar 2014) | 5 lines
  
  ib_srpt: Defer destroying the QP until the TimeWait state has been left
  
  This is necessary to avoid that a login gets rejected due to reusing a
  queue pair number that has not yet been freed by the target side.
........
  r5357 | bvassche | 2014-03-20 17:25:34 +0200 (Thu, 20 Mar 2014) | 5 lines
  
  ib_srpt: Rework waiting for last WQE
  
  After having changed the queue pair state into "error", queue an additional
  work request instead of waiting for the last WQE event.
........
  r5358 | bvassche | 2014-03-20 17:26:48 +0200 (Thu, 20 Mar 2014) | 1 line
  
  srpt/session-management.txt: Document how sessions are managed by the ib_srpt driver
........
  r5359 | bvassche | 2014-03-20 18:10:19 +0200 (Thu, 20 Mar 2014) | 1 line
  
  scst_const.h: Make COMPARE_AND_WRITE definition available for kernel versions 3.6..3.11
........
  r5360 | vlnb | 2014-03-21 03:58:13 +0200 (Fri, 21 Mar 2014) | 3 lines
  
  In VERIFY commands BYTCHK 1x is not supported (yet)
........
  r5361 | bvassche | 2014-03-21 18:29:26 +0200 (Fri, 21 Mar 2014) | 1 line
  
  srpt/Makefile: Avoid that the build process depends on source control tools
........
  r5362 | vlnb | 2014-03-22 01:12:42 +0200 (Sat, 22 Mar 2014) | 3 lines
  
  Fix error recovery of internal commands
........
  r5363 | bvassche | 2014-03-24 13:53:00 +0200 (Mon, 24 Mar 2014) | 1 line
  
  ib_srpt: Clarify a kernel-doc comment
........
  r5364 | bvassche | 2014-03-24 13:55:56 +0200 (Mon, 24 Mar 2014) | 1 line
  
  ib_srpt: Add newline at the end of kernel warning statements
........
  r5365 | bvassche | 2014-03-24 13:57:39 +0200 (Mon, 24 Mar 2014) | 5 lines
  
  ib_srpt: Change the severity level of a log message
  
  Make sure that target port state changes get logged even with
  debugging disabled.
........
  r5366 | bvassche | 2014-03-24 13:59:27 +0200 (Mon, 24 Mar 2014) | 5 lines
  
  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.
........
  r5367 | bvassche | 2014-03-24 14:01:07 +0200 (Mon, 24 Mar 2014) | 5 lines
  
  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.
........
  r5368 | bvassche | 2014-03-24 14:03:09 +0200 (Mon, 24 Mar 2014) | 20 lines
  
  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 ]---
........
  r5369 | bvassche | 2014-03-24 14:04:44 +0200 (Mon, 24 Mar 2014) | 5 lines
  
  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.
........
  r5370 | bvassche | 2014-03-24 14:07:43 +0200 (Mon, 24 Mar 2014) | 7 lines
  
  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.
........
  r5371 | bvassche | 2014-03-25 18:19:00 +0200 (Tue, 25 Mar 2014) | 1 line
  
  nightly build: Update kernel versions
........
  r5382 | vlnb | 2014-03-26 04:31:52 +0200 (Wed, 26 Mar 2014) | 6 lines
  
  Black hole functionality added
  
  Scst_mutex intentially used directly in the sysfs handler, because
  comming sysfs improvements will allow that.
........
  r5383 | vlnb | 2014-03-26 05:18:03 +0200 (Wed, 26 Mar 2014) | 5 lines
  
  documentation: Document SCST_SERIALIZED and SCST_STRICTLY_SERIALIZED
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5384 | vlnb | 2014-03-26 05:18:36 +0200 (Wed, 26 Mar 2014) | 3 lines
  
  Cleanup
........
  r5385 | vlnb | 2014-03-26 05:20:04 +0200 (Wed, 26 Mar 2014) | 9 lines
  
  scst_local: Remove two superfluous tests
  
  The to_scst_lcl_sess() macro is based on container_of() and hence never
  returns NULL. Hence remove the two tests that compare the result of that
  macro against NULL.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5386 | vlnb | 2014-03-26 05:21:25 +0200 (Wed, 26 Mar 2014) | 7 lines
  
  iscsi-scst: Introduce ARRAY_SIZE()
  
  This patch does not change any functionality.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5387 | vlnb | 2014-03-26 05:22:16 +0200 (Wed, 26 Mar 2014) | 8 lines
  
  scst: Clarify a comment
  
  The comment above scst_nexus_loss() is somewhat confusing so change
  it into something that is more clear.
  
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5388 | vlnb | 2014-03-26 05:23:57 +0200 (Wed, 26 Mar 2014) | 9 lines
  
  scst_vdisk: Fix READ CAPACITY(10)
  
  SBC-2 defines the LBA as a 32-bit field that starts at offset 2 and
  not as a 64-bit field.
  
  Reported-by: Mike Christie <michaelc@cs.wisc.edu>
  Signed-off-by: Bart Van Assche <bvanassche@acm.org>
........
  r5389 | bvassche | 2014-03-26 13:56:13 +0200 (Wed, 26 Mar 2014) | 4 lines
  
  ib_srpt: Clean up srpt_handle_rdma_comp()
  
  This patch does not change any functionality.
........
  r5390 | bvassche | 2014-03-26 13:56:59 +0200 (Wed, 26 Mar 2014) | 4 lines
  
  ib_srpt: Clean up srpt_handle_send_err_comp()
  
  This patch does not change any functionality.
........
  r5391 | bvassche | 2014-03-26 13:58:25 +0200 (Wed, 26 Mar 2014) | 4 lines
  
  ib_srpt: Clean up srpt_handle_rdma_err_comp()
  
  This patch does not change any functionality.
........
  r5392 | bvassche | 2014-03-26 13:59:37 +0200 (Wed, 26 Mar 2014) | 5 lines
  
  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.
........
  r5393 | bvassche | 2014-03-26 14:00:43 +0200 (Wed, 26 Mar 2014) | 5 lines
  
  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.
........
  r5394 | vlnb | 2014-03-27 00:16:16 +0200 (Thu, 27 Mar 2014) | 3 lines
  
  Cosmetics
........
  r5395 | vlnb | 2014-03-27 01:51:36 +0200 (Thu, 27 Mar 2014) | 3 lines
  
  Reimplement dropping of TM requests in a more reliable manner
........
  r5396 | vlnb | 2014-03-27 03:57:08 +0200 (Thu, 27 Mar 2014) | 3 lines
  
  Possibility to specify SCSI target device name added
........
  r5397 | bvassche | 2014-03-27 10:27:45 +0200 (Thu, 27 Mar 2014) | 6 lines
  
  Fix two checkpatch complaints about whitespace
  
  Avoid that checkpatch reports the following error message:
  
  ERROR: "(foo*)" should be "(foo *)"
........
  r5398 | bvassche | 2014-03-27 10:34:27 +0200 (Thu, 27 Mar 2014) | 6 lines
  
  Avoid that checkpatch complains that return is not a function
  
  Avoid that checkpatch reports the following error message:
  
  ERROR: return is not a function, parentheses are not required
........
  r5399 | bvassche | 2014-03-27 10:39:53 +0200 (Thu, 27 Mar 2014) | 1 line
  
  scripts/generate-kernel-patch: Fix for kernel versions 3.7, 3.10, 3.12 and 3.13
........
  r5400 | vlnb | 2014-03-29 04:07:22 +0300 (Sat, 29 Mar 2014) | 3 lines
  
  Cleanup
........
  r5401 | bvassche | 2014-04-01 20:46:36 +0300 (Tue, 01 Apr 2014) | 1 line
  
  vdisk_blockio: Temporarily disable COMPARE AND WRITE support
........
  r5402 | bvassche | 2014-04-02 00:05:31 +0300 (Wed, 02 Apr 2014) | 1 line
  
  vdisk_blockio: Fix the (recently enabled) VERIFY command
........
  r5403 | bvassche | 2014-04-03 18:58:16 +0300 (Thu, 03 Apr 2014) | 1 line
  
  ib_srpt: RHEL 6.5 build fix
........
  r5404 | vlnb | 2014-04-04 03:57:30 +0300 (Fri, 04 Apr 2014) | 3 lines
  
  Fix typo in scst_report_supported_tm_fns() reported by Steve Magnani <steve.magnani@digidescorp.com>
........
  r5405 | bvassche | 2014-04-04 07:38:33 +0300 (Fri, 04 Apr 2014) | 1 line
  
  scripts/specialize-patch: Handle numbers surrounded by parentheses properly
........
  r5406 | bvassche | 2014-04-04 08:50:52 +0300 (Fri, 04 Apr 2014) | 1 line
  
  scripts/specialize-patch: Rework r5405
........
  r5407 | bvassche | 2014-04-04 08:56:25 +0300 (Fri, 04 Apr 2014) | 1 line
  
  nightly build: Update kernel versions
........


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/iser@5408 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-04-06 08:13:25 +00:00
Bart Van Assche 3fe1a7f5d4 ib_srpt, README: Document how to detect excessive packet loss
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5185 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2014-01-07 14:13:49 +00:00
Bart Van Assche 7faa68e8ce ib_srpt/README: Simplify the instructions for logging in to an SRP target
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5073 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2013-10-18 08:36:47 +00:00
Bart Van Assche 339aa1b90d ib_srpt/README: Update initiator-side performance notes section
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4915 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2013-07-11 11:41:06 +00:00
Bart Van Assche e24fb7a166 ib_srpt README: Document cmd_sg_entries
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4750 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2013-01-31 14:05:25 +00:00
Bart Van Assche 14e29d815e ib_srpt README: Add more performance notes
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4514 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-09-12 14:06:47 +00:00
Bart Van Assche d8b5dd28b4 ib_srpt README: Add more performance notes
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4511 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-09-11 15:58:29 +00:00
Bart Van Assche 1b9567a1cd srpt/README: Recommend to use SLAB instead of SLUB
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4508 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-09-07 12:36:15 +00:00
Bart Van Assche ab28f2aaa3 srpt/README: Recommend to disable CONFIG_SCHED_DEBUG and CONFIG_SCHEDSTATS
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4507 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-09-07 12:20:05 +00:00
Bart Van Assche b84cf67525 ib_srpt: Update README
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4502 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-08-31 14:59:16 +00:00
Bart Van Assche 123911a2c3 ib_srpt: Document impact of interrupt assignment on fairness
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4447 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-08-04 14:36:27 +00:00
Bart Van Assche 44df4a03b6 ib_srpt: Document InfiniBand partition key choice
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4373 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-06-22 11:58:43 +00:00
Bart Van Assche a951696f3c ib_srpt README: Fix a typo
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4355 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-06-18 12:11:34 +00:00
Bart Van Assche bef07c9d31 ib_srpt: Add one target per port support. Makes it possible to configure LUN
masking per IB HCA port instead of per HCA, just like what is possible with FC.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4354 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-06-18 12:10:53 +00:00
Bart Van Assche a30d8b64ac ib_srpt README: Bring in sync with scstadmin documentation
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4352 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-06-18 11:24:57 +00:00
Bart Van Assche b07403a23d ib_srpt: Remove an obsolete patch
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4150 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-03-04 13:16:27 +00:00
Bart Van Assche 440e1a405e ib_srpt: Document LUN masking
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4141 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-02-18 13:32:45 +00:00
Bart Van Assche a8f25c1cc2 ib_srpt: Remove an obsolete section from the README file and add a FAQ section
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@4082 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2012-01-21 16:58:53 +00:00
Bart Van Assche 622d3145f7 ib_srpt: Increase default value of srp_max_req_size from 2116 to 4148 bytes.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3919 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-11-13 10:04:55 +00:00
Bart Van Assche 29530f6bf5 srpt/README: Add note about DEVICE.threads_num
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3889 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-10-05 16:34:09 +00:00
Bart Van Assche 6020683851 ib_srpt: Update dynamic LUN documentation
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
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 c2bd2e8bf5 ib_srpt: Remove "thread" kernel module parameter and keep thread=1 behavior - the other two modes could cause soft lockup complaints
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
Vladislav Bolkhovitin 805f38cd4f Docs about how to migrate from the deprecated ib_srpt_target_X layout updated
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
Vladislav Bolkhovitin 802838d27b HCAs GUIDs should be used as target names
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
Bart Van Assche 07dffb9e8f Reverted because untested.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3393 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-16 17:54:54 +00:00
Vladislav Bolkhovitin caffffcf0c HCAs GUIDs should be used as target names
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3388 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-16 15:36:32 +00:00
Bart Van Assche 0b00284465 Documented the ib_srp login string.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3356 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-04 19:03:47 +00:00
Bart Van Assche e45cda7c66 Reverted r3330 because it was committed before having been discussed.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3332 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-02 06:48:53 +00:00
Vladislav Bolkhovitin 13b8766a6a Experimental patch to allow HCAs GUIDs be used as target names
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3331 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2011-04-01 19:50:12 +00:00
Bart Van Assche 5fe037e5b9 Updated my e-mail address in copyright statements and README files.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@3175 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-12-21 18:48:14 +00:00
Bart Van Assche 900a70d873 ib_srpt: Made instructions in the documentation independent of the scstadmin version.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2717 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-11-16 19:16:48 +00:00
Bart Van Assche 6786d02fa6 ib_srpt: Documentation update.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2443 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-10-21 19:34:44 +00:00
Bart Van Assche a75d3cc2c3 ib_srpt: Documentation update.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2391 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-10-10 11:33:29 +00:00
Bart Van Assche e3fcb70f50 ib_srpt documentation: Shortened a note.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2340 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-10-02 15:56:46 +00:00
Bart Van Assche dee70735c5 ib_srpt: Added a note about unloading while I/O is ongoing.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2338 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-10-02 15:28:33 +00:00
Bart Van Assche edac418f66 SRP_CRED_REQ autodetection is now disabled by default.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@2026 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-08-31 06:30:59 +00:00
Bart Van Assche 0e56ff520e Updated HA section.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1972 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-08-22 19:02:26 +00:00
Bart Van Assche 314c1a5750 Documentation update.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1966 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2010-08-21 08:45:49 +00:00
Bart Van Assche 6ed8923406 Spelling fix.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1390 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2009-12-13 18:02:39 +00:00
Bart Van Assche 50dc64fd1c Updated SRPT documentation.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1389 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2009-12-13 18:01:14 +00:00
Bart Van Assche ffb2fb1f11 Updated SRPT documentation.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1379 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2009-12-06 12:44:47 +00:00
Bart Van Assche 0ff548a598 Fixed a typo in the documentation: replaced ipsrpdm by ibsrpdm.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@1140 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2009-09-25 08:00:00 +00:00
Bart Van Assche fd89f0427b Updated SRPT documentation.
git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@881 d57e44dd-8a1f-0410-8b47-8ef2f437770f
2009-05-22 10:59:16 +00:00