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* [SCSI] zfcp: Cleanup of code in zfcp_scsi.cMartin Petermann2008-07-125-389/+184
| | | | | | | | | Cleanup code in zfcp_scsi.c, fix coding style issues and simplify the code. Signed-off-by: Martin Petermann <martin@linux.vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Move status accessors from zfcp to SCSI include file.Martin Petermann2008-07-124-35/+28
| | | | | | | | | | Move the accessor functions for the scsi_cmnd status from zfcp to the SCSI include file. Change the interface to the functions to pass the scsi_cmnd pointer instead of the status pointer. Signed-off-by: Martin Petermann <martin@linux.vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Small QDIO cleanupsChristof Schmitt2008-07-123-19/+11
| | | | | | | | | | | | QBUFF_PER_PAGE is only used inside the qdio module, so move it to zfcp_qdio.c zfcp_qdio_zero_sbals is now only used in the qdio module, so make it static. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Adapter reopen for large number of unsolicited statusSwen Schillig2008-07-122-10/+8
| | | | | | | | | | When zfcp receives 16 unsolicited status messages, this could trigger an adapter reopen. In this case, first try to send a new status read, and only if this fails, go through the recovery. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Fix error checking for ELS ADISC requestsChristof Schmitt2008-07-121-1/+1
| | | | | | | | Correctly check the status for ELS ADISC requests. 0 means success. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: wait until adapter is finished with ERP during auto-portSwen Schillig2008-07-121-0/+1
| | | | | | | | | | In some situations the auto port attachment task is started before the ERP is finished. To prevent this unwanted situation we wait until the adapter is up and running before we start our work. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] ibmvfc: IBM Power Virtual Fibre Channel Adapter Client DriverBrian King2008-07-125-0/+4613
| | | | | | | | | | This patch adds a new device driver to support the Virtual Fibre Channel interface on IBM Power based servers. The Virtual I/O Server on IBM Power servers utilizes N-Port ID Virtualization to export a Virtual Fibre Channel adapter to the client. This driver is the client device driver. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] sg: Add target reset supportBrian King2008-07-122-0/+4
| | | | | | | | Adds support for target reset to SG_SCSI_RESET. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lib: Add support for the T10 (SCSI) Data Integrity Field CRCMartin K. Petersen2008-07-124-0/+83
| | | | | | | | | The SCSI Block Protocol uses this 16-bit CRC to verify the integrity of each data sector. crc_t10dif() is used by sd_dif.c when performing I/O to or from disks formatted with protection information. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] sd: Move scsi_disk() accessor function to sd.hMartin K. Petersen2008-07-122-5/+5
| | | | | Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] sd: Move sd.h header fileMartin K. Petersen2008-07-122-1/+1
| | | | | | | | Christoph objected to having sd.h in include/scsi since it is internal to the sd driver. Move it to drivers/scsi/sd.h. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] esp: correct module name in Kconfig help for SCSI_SUNESPFrans Pop2008-07-121-2/+4
| | | | | | | | | The module name was changed from esp to sun_esp some time ago. Also correct the list of chips supported by the driver. Signed-off-by: Frans Pop <elendil@planet.nl> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] esp: Correct chip ID probing sequence.David S. Miller2008-07-121-11/+13
| | | | | | | | | | | | | | | The features enable bit has to be set in the config2 register before we can be absolutely sure we will probe a correct part unique ID and family code from the transfer-count-high register. Also, reload the CFACT, STP, SOFF, and TIMEO near the end of esp_reset_esp(). From a patch by Maciej W. Rozycki. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] scsi_debug: add support for rotation speedMatthew Wilcox2008-07-121-0/+12
| | | | | | | | | | | Add support for VPD page b1 to scsi_debug SCSI VPD page b1 reports the nominal rotation speed of the device. Since scsi_debug is ram-based, claim to be a non-rotating medium. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: fix endpoint leakMike Christie2008-07-121-1/+8
| | | | | | | | | | class_find_device gets a ref to the device so we must release it. The class will serialize access to the ep so we do not have to worry about a remove racing with the callers access, so we can simplify the use and drop the ref right away. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: update version numberMike Christie2008-07-121-1/+1
| | | | | | | Update iscsi class version number. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] libiscsi, iscsi_tcp, ib_iser: fix setting of can_queue with old tools.Mike Christie2008-07-123-2/+6
| | | | | | | | | | | | | | | | | | | This patch fixes two bugs that are related. 1. Old tools did not set can_queue/cmds_max. This patch modifies libiscsi so that when we add the host we catch this and set it to the default. 2. iscsi_tcp thought that the scsi command that was passed to the eh functions needed a iscsi_cmd_task allocated for it. It only needed a mgmt task, and now it does not matter since it all comes from the same pool and libiscsi handles this for the drivers. ib_iser had copied iscsi_tcp's code and set can_queue to its max - 1 to handle this. So this patch removes the max -1, and just sets it to the max. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: fix refcount leakMike Christie2008-07-121-2/+4
| | | | | | | Must do a module_out if the endpoint lookup fails. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lpfc 8.2.7 : Update version to 8.2.7James Smart2008-07-121-1/+1
| | | | | | | Update lpfc driver version to 8.2.7 Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lpfc 8.2.7 : Miscellaneous FixesJames Smart2008-07-1210-25/+51
| | | | | | | | | | | | | | | | | | Miscellaneous Fixes: - Fix bug in mbox sysfs interface that locked in EAGAIN if discovery stalled. - Fix missing error message when npiv and loop are true when link up occurs. - Fix panic in lpfc_scsi_cmd_iocb_cmpl: scsi_buf was NULL, but created race conditions with other code paths. - Fix error in sysfs mailbox structure that didn't rezero on next use. - Add missing mempool_free() to attachment failure path - Fix missing put of ndlp structure during driver unload. - Fix applications unable to send mailbox commands during discovery. - Remove unused argument (type) from function lpfc_post_buffer() API - Fix vport name is not shown after hbacmd vportcreate. - Remove repeated code statements. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lpfc 8.2.7 : Rework the worker threadJames Smart2008-07-127-140/+97
| | | | | | | | | Rework of the worker thread to make it more efficient. Make a finer-grain notfication of pending work so less time is spent checking conditions. Also made other general cleanups. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lpfc 8.2.7 : Discovery FixesJames Smart2008-07-124-213/+99
| | | | | | | | | - Fix ADISC timeout on initiators causing devloss timeout on targets - Correct FAN processing : port state vs unreg rpi's wasn't consistent - Correct mismatches between ASICs and PLOGI that would skip PLOGI Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] lpfc 8.2.7 : Change device reset behaviorJames Smart2008-07-121-121/+80
| | | | | | | | | Prior handler was only waiting for I/O on one lun to finish before returning completion. Now, wait for all LUNs on the target. Also performed some rudimentary cleanup while in this code. Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Remove sysfs attribute port_addMartin Peschke2008-07-121-46/+0
| | | | | | | | | With the automatic scanning of remote ports in place, there is no need to add remote ports manually. So, remove the port_add attribute. Signed-off-by: Martin Peschke <mp3@de.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Automatically attach remote portsSwen Schillig2008-07-128-31/+336
| | | | | | | | | | | Automatically attach the remote ports in zfcp when the adapter is set online. This is done by querying all available ports from the FC namesever. The scan for remote ports is also triggered by RSCNs and can be triggered manually with the sysfs attribute 'port_rescan'. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Add port_state attribute to sysfsSven Schuetz2008-07-121-0/+19
| | | | | | | | | | | | | | | | The sysfs attribute /sys/class/fc_host/hostX/port_state was not set by zfcp so far. Now, the appropriate members of the fc_function_template struct are set during its initialziation. The first is a boolean to show the port state. The second is a function pointer to the function zfcp_get_host_port_state, which reads the port state from our adapter status bits and calls fc_host_port_state with the approriate port state afterwards. Signed-off-by: Sven Schuetz <sven@linux.vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Message cleanupChristof Schmitt2008-07-1213-1975/+396
| | | | | | | | | | | Cleanup the messages used in the zfcp driver: Remove unnecessary debug and trace message and convert the remaining messages to standard kernel macros. Remove the zfcp message macros and while updating the whole flie also update the copyright headers. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Cleanup qdio codeSwen Schillig2008-07-127-787/+412
| | | | | | | | | Cleanup the interface code from zfcp to qdio. Also move code that belongs to the qdio interface from the erp to the qdio file. Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Cleanup code in zfcp_ccwChristof Schmitt2008-07-121-100/+50
| | | | | | | | | | Overall cleanup in file zfcp_ccw.c. Fix coding style issues, remove useless macros and messages and convert remaining messages to standard macros. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Move CFDC code to new file.Christof Schmitt2008-07-127-664/+331
| | | | | | | | | | | zfcp implements a device file to allow Linux guests changing the Access Control Tables stored in the adapter. The code for the device file has nothing to do with the other parts of the driver, so move it to a new file and cleanup the code while doing so. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] zfcp: Move FC code to new fileChristof Schmitt2008-07-128-726/+319
| | | | | | | | | Move all Fibre Channel related code to new file and cleanup the code while doing so. Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com> Signed-off-by: Swen Schillig <swen@vnet.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] Rename scsi_bidi_sdb_cacheMartin K. Petersen2008-07-121-13/+13
| | | | | | | | The data integrity changes need to dynamically allocate scsi_data_buffers too. Rename scsi_bidi_sdb_cache for clarity. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] aacraid: prevent copy_from_user() BUG!Mark Salyzyn2008-07-121-0/+33
| | | | | | | | | | | | | | | | | | | | | Seen: kernel BUG at arch/i386/lib/usercopy.c:872 under a 2.6.18-8.el5 kernel. Traced it to a garbage-in/garbage-out ioctl condition in the aacraid driver. Adaptec's special ioctl scb passthrough needs to check the validity of the individual scatter gather count fields to the maximum the adapter supports. Doing so will have the side effect of preventing copy_from_user() from bugging out while populating the dma buffers. This is a hardening effort, issue was triggered by an errant version of the management tools and thus the BUG should not be seen in the field. [jejb: fixed up compile failure] Signed-off-by: Mark Salyzyn <aacraid@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] scsi_debug: Runtime-configurable sector sizeMartin K. Petersen2008-07-121-39/+59
| | | | | | | | | Make scsi_debug sector size configurable at load time instead of being a #define. Handy for testing 4KB sectors. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Douglas Gilbert <dougg@torque.net> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] bsg: fix bsg_mutex hang with device removalFUJITA Tomonori2008-07-121-3/+6
| | | | | | | | | | | | | | | | | We don't need to hold bsg_mutex during bsg_complete_all_commands(). It leads to a problem that we block bsg_unregister_queue during bsg_complete_all_commands (untill all the outstanding commands complete). Thanks to Pete Wyckoff for finding the bug and testing the patch. The detailed bug report is: http://marc.info/?l=linux-scsi&m=121182137132145&w=2 Tested-by: Pete Wyckoff <pw@osc.edu> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi_tcp: Enable any size commandBoaz Harrosh2008-07-122-2/+3
| | | | | | | | | | | Let through upto the largest command of 260 defined by the scsi standard. iscsi core supports this already. Now that the scsi-ml supports it we can start using large commands. [jejb:rejections fixed up] Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] scsi: use get_unaligned_* helpersHarvey Harrison2008-07-121-1/+1
| | | | | | Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] Replace __FUNCTION__ with __func__ in iscsi_tcp.Harvey Harrison2008-07-121-6/+6
| | | | | | | | | | __FUNCTION__ is gcc-specific, use __func__ (Update diff by Mike Christie) Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] libiscsi, iser, tcp: remove recv_lockMike Christie2008-07-126-117/+144
| | | | | | | | | | | | | | | | | | | The recv lock was defined so the iscsi layer could block the recv path from processing IO during recovery. It turns out iser just set a lock to that pointer which was pointless. We now disconnect the transport connection before doing recovery so we do not need the recv lock. For iscsi_tcp we still stop the recv path incase older tools are being used. This patch also has iscsi_itt_to_ctask user grab the session lock and has the caller access the task with the lock or get a ref to it in case the target is broken and sends a tmf success response then sends data or a response for the command that was supposed to be affected bty the tmf. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] libiscsi: fix cmds_max settingMike Christie2008-07-122-19/+39
| | | | | | | | | Drivers expect that the cmds_max value they pass to the iscsi layer is the max scsi commands + mgmt tasks. This patch implements that and fixes some checks for nr cmd limits. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: Add session initiatorname and ifacename sysfs attrs.Mike Christie2008-07-126-39/+74
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds two new attrs used for creating initiator ports and binding sessions to hardware. The session level initiatorname: Since bnx2i does a scsi_host per host device, we need to add the iface initiator port settings on the session, so we can create multiple initiator ports (each with different inames) per device/scsi_host. The current iname reflects that qla4xxx can have one iname per hba, and we are allocating a host per session for software. The iname on the host will remain so we can export and set the hba level qla4xxx setting. The ifacename attr: To bind a session to a some peice of hardware in userspace we maintain some mappings, but during boot or iscsid restart (iscsid contains the user space part of the driver) we need to be able to figure out which of those host mappings abstractions maps to certain sessions. This patch adds a ifacename attr, which userspace can set to id the host side of the endpoint across pivot_roots and iscsid restarts. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi_tcp: hook iscsi_tcp into iscsi_endpoint codeMike Christie2008-07-121-4/+4
| | | | | | | | | iscsi_tcp creates its ep in userspace using sockets because it is virtual, so we just check if we are sent a ep and fail if we are. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iser: Modify iser to take a iscsi_endpoint struct in ep callouts and ↵Mike Christie2008-07-123-62/+43
| | | | | | | | | | | | | session setup This hooks iser into the iscsi endpoint code. Previously it handled the lookup and allocation. This has been made generic so bnx2i and iser can share it. It also allows us to pass iser the leading conn's ep, so we know the ib_deivce being used and can set it as the scsi_host's parent. And that allows scsi-ml to set the dma_mask based on those values. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: add endpoint classMike Christie2008-07-123-39/+172
| | | | | | | | | | | | Add sysfs representation for the endpoint, so userspace can match the host and session to the endpoint. This will allow us to set the host's parent correctly at host creation time. The next patches will convert tcp and iser, and fix iser's dma_mask bug. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi class: user device_for_each_child instead of duplicating ↵Mike Christie2008-07-126-37/+104
| | | | | | | | | | | | | session list Currently we duplicate the list of sessions, because we were using the test for if a session was on the host list to indicate if the session was bound or unbound. We can instead use the target_id and fix up the class so that drivers like bnx2i do not have to manage the target id space. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iser: handle iscsi_cmd_task renameMike Christie2008-07-124-202/+203
| | | | | | | | This handles the iscsi_cmd_task rename and renames the iser cmd task to iser task. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi_tcp: handle iscsi_cmd_task renameMike Christie2008-07-122-132/+132
| | | | | | | This converts iscsi_tcp to use the iscsi_task name. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] libiscsi: rename iscsi_cmd_task to iscsi_taskMike Christie2008-07-123-271/+273
| | | | | | | | | This is the second part of the iscsi task merging, and all it does it rename iscsi_cmd_task to iscsi_task and mtask/ctask to just task. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iser: convert ib_iser to support merged tasksMike Christie2008-07-123-70/+68
| | | | | | | Convert ib_iser to support merged tasks. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
* [SCSI] iscsi_tcp: convert iscsi_tcp to support merged tasksMike Christie2008-07-122-81/+54
| | | | | | | Convert iscsi_tcp to support merged tasks. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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