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* Merge by hand (conflicts in scsi_lib.c)James Bottomley2005-12-151-1/+1
|\ | | | | | | | | | | | | | | This merge is pretty extensive. The conflict is over the new req->retries parameter, so I had to change the prototype to scsi_setup_blk_pc_cmnd() and the usage in sd, sr and st. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
| * [PATCH] iscsi gfp_t annotationsAl Viro2005-12-151-1/+1
| | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [SCSI] iscsi: check header digests for mgmt tasksMike Christie2005-12-131-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | From Wang Zhenyu: check header digest for cmd and mgmt tasks Signed-off-by: Wang Zhenyu <zhenyu.z.wang@intel.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: update versionMike Christie2005-12-131-1/+1
| | | | | | | | | | | | | | Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: lower queue depthMike Christie2005-12-131-5/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From Wang Zhenyu: High queue depth was a problem for some targets so make queue_depth adjustable From Mike Christie Make default queue_depth a little lower Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: data digest calculation fixMike Christie2005-12-131-25/+40
| | | | | | | | | | | | | | | | | | | | | | From Wang Zhenyu: data digest fix (the bug caused data corruption w/Wasabi StorageBuilder target) Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: iscsi response fixMike Christie2005-12-131-5/+2
| | | | | | | | | | | | | | | | | | | | | | from Wang Zhenyu: Must check SCSI CMD and R2T response according to the spec Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: redirect fixMike Christie2005-12-131-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | From tomof@acm.org: There is one more issue about Equallogic systems. They send re-direction info with FIN. I think that the kernel module needs to let iscsid to read data from the socket before killing it. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* | [SCSI] iscsi: opcode check fixMike Christie2005-12-131-1/+1
|/ | | | | | | | | Must check only valid opcode bits. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: add module versionMike Christie2005-09-201-1/+1
| | | | | | | | | | | | From: michaelc@cs.wisc.edu I have a bad memory. I cannot remember what versions are which, so add a module version to help. Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: fix nop-in handlingMike Christie2005-09-201-35/+47
| | | | | | | | | | | | From: zhenyu.z.wang@intel.com This add check to NOOP_IN's ttt, when it's ~0UL we should not send NOOP_OUT by spec (plus some cleanup). Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: fix ahs lenMike Christie2005-09-201-1/+1
| | | | | | | | | | | From: tomof@acm.org Fix AHS Length Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: update some iscsi proto defsMike Christie2005-09-201-1/+1
| | | | | | | | | | | | From: michaelc@cs.wisc.edu Cleanup some iscsi_proto defs, add some missing values, and fix some defs. Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: handle nonlinear skbsMike Christie2005-09-201-2/+1
| | | | | | | | | | | From: zhenyu.z.wang@intel.com Fix oops from nonlinear skb usage. Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: preemt fix and cleanupMike Christie2005-09-201-24/+28
| | | | | | | | | | | | From: zhenyu.z.wang@intel.com Delay the head digest update until xmit time, like data digest update. [To make things cleaner and avoid prempt bug] Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] iscsi: nodelay fixMike Christie2005-09-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | From: tomof@acm.org I'm not sure about this. I don't think that NODELAY option hurts performance. However, open-iscsi does not use MSG_MORE properly with sendpage, so NODELAY option hurts the open-iscsi performance. I've attached a patch to fix NODELAY and MSG_MORE problems and the write performance results with disktest. I use Opteron boxes connected directly, Chelsio NICs, 1500-byte MTU, 64 KB I/O size, and the iSCSI parameters on open-iscsi web site. With only NODELAY fix, the performance drops, as you said. On the other hand, NODELAY and MSG_MORE fixes improve the performance overall. Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
* [SCSI] open-iscsi/linux-iscsi-5 Initiator: Initiator codeAlex Aizman2005-08-061-0/+3627
drivers/scsi/iscsi_tcp.c, iscsi data path. Signed-off-by: Alex Aizman <itn780@yahoo.com> Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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