- 12 7月, 2008 2 次提交
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由 Mike Christie 提交于
max_cmd_len and max_conn are not really used. max_cmd_len is always 16 and can be set by the LLD. max_conn is always one since we do not support MCS. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
iscsi offload (bnx2i and qla4xx) allocate a scsi host per hba, so the session creation path needs a shost/host_no argument. Software iscsi/iser will follow the same behabior as before where it allcoates a host per session, but in the future iser will probably look more like bnx2i where the host's parent is the hardware (rnic for iser and for bnx2i it is the nic), because it does not use a socket layer like how iscsi_tcp does. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 20 4月, 2008 1 次提交
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由 Tony Jones 提交于
It's big, but there doesn't seem to be a way to split it up smaller... Signed-off-by: NTony Jones <tonyj@suse.de> Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Cc: Roland Dreier <rolandd@cisco.com> Cc: Sean Hefty <sean.hefty@intel.com> Cc: Hal Rosenstock <hal.rosenstock@gmail.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 06 3月, 2008 1 次提交
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由 Mike Christie 提交于
For qla4xxx, we could be starting a session, but some error (network, target, IO from a device that got started, etc) could cause the session to fail and curring the block/unblock and state manipulation could race with each other. This patch just has those operations done in the single threaded iscsi eh work queue, so that way they are serialized. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 28 2月, 2008 1 次提交
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由 Mike Christie 提交于
The old tools did not set max session cmds. This is a regression. I removed the check when merging the power of 2 patch. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 22 2月, 2008 1 次提交
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由 Adrian Bunk 提交于
This patch makes the following needlessly global functions static: - __iscsi_unblock_session() - iscsi_session_state_name() Signed-off-by: NAdrian Bunk <bunk@kernel.org> Acked-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 08 2月, 2008 6 次提交
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由 Mike Christie 提交于
Set iscsi version to 2.0-868 Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
Some iscsi class messages have the dev_printk prefix and some libiscsi and iscsi_tcp messages have "iscsi" or the module name as a prefix which is normally pretty useless when trying to figure out which session or connection the message is attached to. This patch adds iscsi lib and class dev_printks so all messages have a common prefix that can be used to figure out which object printed it. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
There are 13 iscsi conn attrs, but since the IF/OF markers were not being used we did not notice that we forgot to increment the ISCSI_CONN_ATTRS counter. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
In qla4xxx's probe it will call the iscsi session setup functions for session that got setup on the initial start. This then makes it easy for the iscsi class to export a helper which indicates when those scans are done. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
This just adds iscsi session scanning which works like fc rport scanning. The future patches will hook the drivers into Mathew Wilcox's async scanning infrastructure, so userspace does not have to special case iscsi and so userspace does not have to make a extra special case for hardware iscsi root scanning. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
This adds a iscsi session state file which exports the session state for both software and hardware iscsi. It also hooks libiscsi in. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 29 1月, 2008 1 次提交
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由 Denis V. Lunev 提交于
Create a specific helper for netlink kernel socket disposal. This just let the code look better and provides a ground for proper disposal inside a namespace. Signed-off-by: NDenis V. Lunev <den@openvz.org> Tested-by: NAlexey Dobriyan <adobriyan@openvz.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 1月, 2008 7 次提交
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由 Mike Christie 提交于
Update version. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
Older tools will not be setting the tmf time outs since they did not exists, so set them to a safe default. And export abort and lu reset timeout values in sysfs. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
During root boot and shutdown the target could send us nops. At this time iscsid cannot be running, so the target will drop the session and the boot or shutdown will hang. To handle this and allow us to better control when to check the network this patch moves the nop handling to the kernel. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
We were using the device delete sysfs file to remove each device then logout. Now in 2.6.21 this will not work because the sysfs delete file returns immediately and does not wait for the device removal to complete. This causes a hang if a cache sync is needed during shutdown. Before .21, that approach had other problems, so this patch fixes the shutdown code so that we remove the target and unbind the session before logging out and shut down the session Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
There is just too much going on through the common workq and something like a scsi device removal through sysfs affects how long it will take to recover the transport, mark it as failed, or shut it down gracefully. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Mike Christie 提交于
This patch adds logical unit reset support. This should work for ib_iser, but I have not finished testing that driver so it is not hooked in yet. This patch also temporarily reverts the iscsi_tcp r2t write out patch. That code is completely rewritten in this patchset. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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由 Rob Landley 提交于
Add Documentation/DocBook/scsi_midlayer.tmpl, add to Makefile, and update lots of kerneldoc comments in drivers/scsi/*. Updated with comments from Stefan Richter, Stephen M. Cameron, James Bottomley and Randy Dunlap. Signed-off-by: NRob Landley <rob@landley.net> Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>
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- 11 10月, 2007 2 次提交
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由 Denis V. Lunev 提交于
This patch make processing netlink user -> kernel messages synchronious. This change was inspired by the talk with Alexey Kuznetsov about current netlink messages processing. He says that he was badly wrong when introduced asynchronious user -> kernel communication. The call netlink_unicast is the only path to send message to the kernel netlink socket. But, unfortunately, it is also used to send data to the user. Before this change the user message has been attached to the socket queue and sk->sk_data_ready was called. The process has been blocked until all pending messages were processed. The bad thing is that this processing may occur in the arbitrary process context. This patch changes nlk->data_ready callback to get 1 skb and force packet processing right in the netlink_unicast. Kernel -> user path in netlink_unicast remains untouched. EINTR processing for in netlink_run_queue was changed. It forces rtnl_lock drop, but the process remains in the cycle until the message will be fully processed. So, there is no need to use this kludges now. Signed-off-by: NDenis V. Lunev <den@openvz.org> Acked-by: NAlexey Kuznetsov <kuznet@ms2.inr.ac.ru> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric W. Biederman 提交于
Each netlink socket will live in exactly one network namespace, this includes the controlling kernel sockets. This patch updates all of the existing netlink protocols to only support the initial network namespace. Request by clients in other namespaces will get -ECONREFUSED. As they would if the kernel did not have the support for that netlink protocol compiled in. As each netlink protocol is updated to be multiple network namespace safe it can register multiple kernel sockets to acquire a presence in the rest of the network namespaces. The implementation in af_netlink is a simple filter implementation at hash table insertion and hash table look up time. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 6月, 2007 3 次提交
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由 Mike Christie 提交于
iSCSI must support software iscsi (iscsi_tcp, iser), hardware iscsi (qla4xxx), and partial offload (broadcom). To be able to allow each stack or driver or port (virtual or physical) to be able to log into the same target portal we use the initiator tuple [[HWADDRESS | NETDEVNAME], INITIATOR_NAME] and the target tuple [TARGETNAME, CONN_ADDRESS, CONN_PORT] to id a session. This patch adds the netdev name, which is used by software iscsi when it binds a session to a netdevice using the SO_BINDTODEVICE sock opt. It cannot use HWADDRESS because if someone did vlans then the same netdevice will have the same mac and the initiator,target id will not be unique. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
This patch exports the local address for the session. For qla4xxx this is the ip of the hba's port. For software this is the src addr of the socket. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
This patch allows us to set can_queue and cmds_per_lun from userspace when we create the session/host. From there we can set it on a per target basis. The patch fully converts iscsi_tcp, but only hooks up ib_iser for cmd_per_lun since it currently has a lots of preallocations based on can_queue. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 02 6月, 2007 6 次提交
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由 Mike Christie 提交于
The attached patches add sysfs files for the chap settings to the iscsi transport class, iscsi_tcp and ib_iser. This is needed for software iscsi because there are times when iscsid can die and it will need to reread the values it was using. And it is needed by qla4xxx for basic management opertaions. This patch does not hook in qla4xxx yet, because I am not sure the mbx command to use. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
For iscsi root boot, software iscsi needs to know what the BIOS/OF initiator used for the initiator name so this puts it in sysfs for userspace to be able to pick up. For hw iscsi, it is nice to see what the card is using. This patch adds the new param, and hooks in qla4xxx, iscsi_tcp, and ib_iser. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: Roland Dreier <rdreier@cisco.com> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
The iscsi class uses the set_param event to set session and connection params. This patch adds a set_host_param so we can set host level values. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
We are going to be adding more host level sysfs attrs and set_params, so this patch has them take a scsi_host instead of either a scsi_host or host no. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Cc: David C Somayajulu <david.somayajulu@qlogic.com> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
Add hw address sysfs file. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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由 Mike Christie 提交于
Let's not oops when we cannot allocate a skb! Add a check for if alloc_skb fails. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 26 4月, 2007 2 次提交
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由 Patrick McHardy 提交于
Switch cb_lock to mutex and allow netlink kernel users to override it with a subsystem specific mutex for consistent locking in dump callbacks. All netlink_dump_start users have been audited not to rely on any side-effects of the previously used spinlock. Signed-off-by: NPatrick McHardy <kaber@trash.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnaldo Carvalho de Melo 提交于
For the common "(struct nlmsghdr *)skb->data" sequence, so that we reduce the number of direct accesses to skb->data and for consistency with all the other cast skb member helpers. Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 12 3月, 2007 1 次提交
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由 Mike Christie 提交于
qla4xxx and iscsi_tcp or iser could be creating sessions at the same time, so make session_nr id allocation atomic. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 06 1月, 2007 1 次提交
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由 Meelis Roos 提交于
This patch cures two run together printk messages in iSCSI driver. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 22 11月, 2006 1 次提交
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由 David Howells 提交于
Fix up for make allyesconfig. Signed-Off-By: NDavid Howells <dhowells@redhat.com>
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- 10 11月, 2006 1 次提交
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由 Mike Christie 提交于
Update version number Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 26 10月, 2006 1 次提交
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由 Mike Christie 提交于
The transport class recv mempools are causing slab corruption. We could hack around netlink's lack of mempool support like dm, but it is just too ulgy (dm's hack is ugly enough :) when you need to support broadcast. This patch removes the recv pools. We have not used them even when we were allocting 20 MB per session and the system only had 64 MBs. And we have no pools on the send side and have been ok there. When Peter's work gets merged we can use that since the network guys are in favor of that approach and are not going to add mempools everywhere. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 03 9月, 2006 1 次提交
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由 Mike Christie 提交于
Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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- 29 7月, 2006 1 次提交
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由 Mike Christie 提交于
The version info is useful for iscsi tcp, iser and qla4xxx so move to transport class. Signed-off-by: NMike Christie <michaelc@cs.wisc.edu> Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>
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