On 05/22/2015 04:42 PM, James Smart wrote:
>
> Check for active portpeerbeacon.
>
> LCB requests to set Beacon would fail if the beacon was already enabled
> internally as the mailbox command used to query the state failes with
> an already-set status.
>
> Correct by enhancing the check so we do
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix vport deletion failure.
>
> If a vport was deleted while in the middle of discovery, we weren't
> clearing the nport discovery flag. Correct by clearing the flag and
> cancelling our discovery timeout timer.
>
> Signed-off-by: Dick Kennedy
> Si
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Devices are not discovered during takeaway/giveback testing
>
> When a remote nport changes it's DID, a new ndlp is used.
> However, we left the old ndlp state unchanged and still in
> a discovery state. The may stall discovery resulting in some
> de
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Add support for using block multi-queue
>
> With blk-mq support in the mid-layer, lpfc can do IO steering based
> on the information in the request tag. This patch allows lpfc to use
> blk-mq if enabled. If not enabled, we fall back into the emulex-
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix scsi prep dma buf error.
>
> Didn't check for less-than-or-equal zero. Means we may later call
> scsi_dma_unmap() even though we don't have valid mappings.
>
> Signed-off-by: Dick Kennedy
> Signed-off-by: James Smart
> ---
Reviewed-by: Hannes
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix cq_id masking problem.
>
> The driver inadvertainly constrained the id space to 8 bits, when its
> a full 16 bits from hw. This resulted in bad id's being written to the
> hardware. Resulted in symptoms such as incomplete initialization, no
> det
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix scsi task management error message.
>
> TMF's were getting error messages on FCP_RSP errors (underrun). Underruns
> aren't meaningful in the scenario. Change the error message to filter out
> these response check errors, and don't unconditionally
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Update version to 10.7.0.0 for upstream patch set.
>
> Signed-off-by: Dick Kennedy
> Signed-off-by: James Smart
> ---
Reviewed-by: Hannes Reinecke
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
h...@suse.de
On 05/22/2015 04:42 PM, James Smart wrote:
>
> Fix to drop PLOGIs from fabric node till LOGO processing completes
>
> The domain controller PLOGI's concurrent with prior LOGO's/unreg_rpi's
> completing created a race condition where driver rpi ref count can
> inadvertantly hit 0 and the rpi attem
On Thu, 2015-05-14 at 23:16 -0700, Minh Tran wrote:
> Signed-off-by: Minh Tran
> Signed-off-by: Jayamohan Kallickal
> ---
> MAINTAINERS | 6 --
> drivers/scsi/be2iscsi/be.h | 6 +++---
> drivers/scsi/be2iscsi/be_cmds.c | 6 +++---
> drivers/scsi/be2iscsi/be_cmd
On Fri, 2015-05-22 at 12:12 +0200, Bart Van Assche wrote:
> On 05/22/15 08:11, Nicholas A. Bellinger wrote:
> > diff --git a/include/target/target_core_base.h
> > b/include/target/target_core_base.h
> > index e2c0eaf..def5bc8 100644
> > --- a/include/target/target_core_base.h
> > +++ b/include/tar
On Fri, 2015-05-22 at 12:15 +0200, Bart Van Assche wrote:
> On 05/22/15 08:11, Nicholas A. Bellinger wrote:
> > Here is -v2 series for converting LIO target se_node_acl + se_lun
> > mapping tables from fixed size arrays to dynamic RCU hlist_heads.
>
> The full list of new sparse warnings introduce
On Fri, 2015-05-22 at 13:31 +0200, Christoph Hellwig wrote:
> On Fri, May 22, 2015 at 01:55:30AM -0700, Nicholas A. Bellinger wrote:
> > > This update will now be racy, ditto for the read/write_bytes update
> > > later.
> >
> > This should become an atomic_long_t increment, yes..?
>
> Yes.
Conve
On Fri, 2015-05-22 at 13:34 +0200, Christoph Hellwig wrote:
> On Fri, May 22, 2015 at 02:05:57AM -0700, Nicholas A. Bellinger wrote:
> > On Fri, 2015-05-22 at 10:26 +0200, Christoph Hellwig wrote:
> > > On Fri, May 22, 2015 at 06:11:04AM +, Nicholas A. Bellinger wrote:
> > > > + clear_bit
On Fri, 2015-05-22 at 13:52 +0200, Christoph Hellwig wrote:
> >
> > -/*
> > - * this function can be called with struct se_device->dev_reservation_lock
> > - * when register_move = 1
> > - */
> > static void __core_scsi3_add_registration(
> > struct se_device *dev,
> > struct se_node_acl
On Fri, 2015-05-22 at 13:56 +0200, Christoph Hellwig wrote:
> > @@ -683,7 +679,7 @@ void core_tpg_remove_lun(
> > dev->export_count--;
> > spin_unlock(&dev->se_port_lock);
> >
> > - lun->lun_se_dev = NULL;
> > + rcu_assign_pointer(lun->lun_se_dev, NULL)
On Mon, 2015-05-25 at 15:14 -0700, Nicholas A. Bellinger wrote:
> On Fri, 2015-05-22 at 13:31 +0200, Christoph Hellwig wrote:
> > On Fri, May 22, 2015 at 01:55:30AM -0700, Nicholas A. Bellinger wrote:
> > > > > + kref_put(&orig->pr_kref, target_pr_kref_release);
> > > > > +
From: Christoph Hellwig
Clean up the mess of registered variables, and pass the isid mismatch
flag explicitly instead of overloading the registration type.
Signed-off-by: Christoph Hellwig
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_pr.c | 44 +
From: Nicholas Bellinger
This patch converts se_tpg->acl_node_lock to struct mutex, so that
->acl_node_acl walkers in core_clear_lun_from_tpg() can block when
calling core_disable_device_list_for_node().
It also updates core_dev_add_lun() to hold ->acl_node_mutex when
calling core_tpg_add_node_t
From: Nicholas Bellinger
Now that se_portal_group->tpg_lun_hlist is a RCU protected hlist,
go ahead and drop the left-over lun->lun_status usage.
Reported-by: Christoph Hellwig
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_tpg.c | 6 --
include/target/target_core_base.
From: Nicholas Bellinger
Hi all,
Here is -v3 series for converting LIO target se_node_acl + se_lun
mapping tables from fixed size arrays to dynamic RCU hlist_heads.
This turns fast-path I/O into a lock-less RCU reader using existing
percpu based se_lun->lun_ref logic, and converts the RCU updat
From: Nicholas Bellinger
This patch converts se_node_acl->device_list[] table for mappedluns
to modern RCU hlist_head usage in order to support an arbitrary number
of node_acl lun mappings.
It converts transport_lookup_*_lun() fast-path code to use RCU read path
primitives when looking up se_dev
From: Nicholas Bellinger
This patch changes core_tpg_add_node_to_devs() to avoid unnecessarly
resetting every se_dev_entry in se_node_acl->tpg_lun_hlist when the
operation is driven by an explicit configfs se_lun->lun_group creation
via core_dev_add_lun() to only update a single se_lun.
Otherwis
From: Christoph Hellwig
Clean up the mess of registered variables, and pass the isid mismatch
flag explicitly instead of overloading the registration type.
Signed-off-by: Christoph Hellwig
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_pr.c | 44 +
From: Nicholas Bellinger
This patch converts core_tpg_deregister() to perform a list splice
for any remaining dynamically generated se_node_acls attached to
se_tpg, before calling kfree(nacl) to free memory.
Cc: Hannes Reinecke
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Signed-off-by: Nicholas B
Please ignore this resend..
On Tue, 2015-05-26 at 06:40 +, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> Hi all,
>
> Here is -v3 series for converting LIO target se_node_acl + se_lun
> mapping tables from fixed size arrays to dynamic RCU hlist_heads.
>
> This turns fast-path
From: Nicholas Bellinger
This patch converts the fixed size se_portal_group->tpg_lun_list[]
to use modern RCU with hlist_head in order to support an arbitary
number of se_lun ports per target endpoint.
It includes dropping core_tpg_alloc_lun() from core_dev_add_lun(),
and calling it directly fro
From: Nicholas Bellinger
Cc: Hannes Reinecke
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_device.c | 15 ---
drivers/target/target_core_tpg.c| 4
include/target/target_core_base.h | 3 ---
3 files changed, 2
From: Nicholas Bellinger
This patch changes __core_scsi3_do_alloc_registration() code to
drop pr_reg->pr_reg_tg_pt_lun pointer usage in favor of a new
pr_reg RPTI + existing target_lun.
It also includes changes to REGISTER, REGISTER_AND_MOVE and APTPL
feature bit codepaths.
Cc: Hannes Reinecke
From: Nicholas Bellinger
This patch converts se_tpg->acl_node_lock to struct mutex, so that
->acl_node_acl walkers in core_clear_lun_from_tpg() can block when
calling core_disable_device_list_for_node().
It also updates core_dev_add_lun() to hold ->acl_node_mutex when
calling core_tpg_add_node_t
From: Nicholas Bellinger
This patch converts the core_scsi3_pr_seq_non_holder() check for non
reservation holding registrations to use an atomic bitop in ->deve_flags
to determine if a registration is currently active.
It also includes associated a set_bit() in __core_scsi3_add_registration()
an
From: Nicholas Bellinger
This patch changes __core_scsi3_do_alloc_registration() code to
drop pr_reg->pr_reg_tg_pt_lun pointer usage in favor of a new
pr_reg RPTI + existing target_lun.
It also includes changes to REGISTER, REGISTER_AND_MOVE and APTPL
feature bit codepaths.
Cc: Hannes Reinecke
From: Nicholas Bellinger
This patch converts se_node_acl->device_list[] table for mappedluns
to modern RCU hlist_head usage in order to support an arbitrary number
of node_acl lun mappings.
It converts transport_lookup_*_lun() fast-path code to use RCU read path
primitives when looking up se_dev
From: Nicholas Bellinger
Now that se_portal_group->tpg_lun_hlist is a RCU protected hlist,
go ahead and drop the left-over lun->lun_status usage.
Reported-by: Christoph Hellwig
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_tpg.c | 6 --
include/target/target_core_base.
From: Nicholas Bellinger
This patch changes core_tpg_add_node_to_devs() to avoid unnecessarly
resetting every se_dev_entry in se_node_acl->tpg_lun_hlist when the
operation is driven by an explicit configfs se_lun->lun_group creation
via core_dev_add_lun() to only update a single se_lun.
Otherwis
From: Nicholas Bellinger
This patch converts the core_scsi3_pr_seq_non_holder() check for non
reservation holding registrations to use an atomic bitop in ->deve_flags
to determine if a registration is currently active.
It also includes associated a set_bit() in __core_scsi3_add_registration()
an
From: Nicholas Bellinger
This patch converts core_tpg_deregister() to perform a list splice
for any remaining dynamically generated se_node_acls attached to
se_tpg, before calling kfree(nacl) to free memory.
Cc: Hannes Reinecke
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Signed-off-by: Nicholas B
From: Nicholas Bellinger
Cc: Hannes Reinecke
Cc: Christoph Hellwig
Cc: Sagi Grimberg
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_device.c | 15 ---
drivers/target/target_core_tpg.c| 4
include/target/target_core_base.h | 3 ---
3 files changed, 2
From: Nicholas Bellinger
Hi all,
Here is -v3 series for converting LIO target se_node_acl + se_lun
mapping tables from fixed size arrays to dynamic RCU hlist_heads.
This turns fast-path I/O into a lock-less RCU reader using existing
percpu based se_lun->lun_ref logic, and converts the RCU updat
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