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InfiniBand fixes for 3.10-rc:

Browse source 
- qib RCU/lockdep fix
  - iser device removal fix, plus doc fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband fixes from Roland Dreier:
 - qib RCU/lockdep fix
 - iser device removal fix, plus doc fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/qib: Fix lockdep splat in qib_alloc_lkey()
  MAINTAINERS: Add entry for iSCSI Extensions for RDMA (iSER) initiator
  IB/iser: Add Mellanox copyright
  IB/iser: Fix device removal flow
This commit is contained in:
Linus Torvalds 2013-06-07 16:29:21 -07:00
commit e8193ce572
7 changed files with 24 additions and 8 deletions
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10
MAINTAINERS
View file

@ -4448,6 +4448,16 @@ S: Maintained
F: drivers/scsi/*iscsi*
F: include/scsi/*iscsi*
ISCSI EXTENSIONS FOR RDMA (ISER) INITIATOR
M: Or Gerlitz <ogerlitz@mellanox.com>
M: Roi Dayan <roid@mellanox.com>
L: linux-rdma@vger.kernel.org
S: Supported
W: http://www.openfabrics.org
W: www.open-iscsi.org
Q: http://patchwork.kernel.org/project/linux-rdma/list/
F: drivers/infiniband/ulp/iser
ISDN SUBSYSTEM
M: Karsten Keil <isdn@linux-pingi.de>
L: isdn4linux@listserv.isdn4linux.de (subscribers-only)

2
drivers/infiniband/hw/qib/qib_keys.c
View file

@ -61,7 +61,7 @@ int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
if (dma_region) {
struct qib_mregion *tmr;
tmr = rcu_dereference(dev->dma_mr);
tmr = rcu_access_pointer(dev->dma_mr);
if (!tmr) {
qib_get_mr(mr);
rcu_assign_pointer(dev->dma_mr, mr);

1
drivers/infiniband/ulp/iser/iscsi_iser.c
View file

@ -5,6 +5,7 @@
* Copyright (C) 2004 Alex Aizman
* Copyright (C) 2005 Mike Christie
* Copyright (c) 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2013 Mellanox Technologies. All rights reserved.
* maintained by openib-general@openib.org
*
* This software is available to you under a choice of one of two

1
drivers/infiniband/ulp/iser/iscsi_iser.h
View file

@ -8,6 +8,7 @@
*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
* Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU

1
drivers/infiniband/ulp/iser/iser_initiator.c
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU

1
drivers/infiniband/ulp/iser/iser_memory.c
View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU

16
drivers/infiniband/ulp/iser/iser_verbs.c
View file

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005, 2006 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
* Copyright (c) 2013 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@ -292,10 +293,10 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
}
/**
* releases the FMR pool, QP and CMA ID objects, returns 0 on success,
* releases the FMR pool and QP objects, returns 0 on success,
* -1 on failure
*/
static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
static int iser_free_ib_conn_res(struct iser_conn *ib_conn)
{
int cq_index;
BUG_ON(ib_conn == NULL);
@ -314,13 +315,9 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
rdma_destroy_qp(ib_conn->cma_id);
}
/* if cma handler context, the caller acts s.t the cma destroy the id */
if (ib_conn->cma_id != NULL && can_destroy_id)
rdma_destroy_id(ib_conn->cma_id);
ib_conn->fmr_pool = NULL;
ib_conn->qp = NULL;
ib_conn->cma_id = NULL;
kfree(ib_conn->page_vec);
if (ib_conn->login_buf) {
@ -415,11 +412,16 @@ static void iser_conn_release(struct iser_conn *ib_conn, int can_destroy_id)
list_del(&ib_conn->conn_list);
mutex_unlock(&ig.connlist_mutex);
iser_free_rx_descriptors(ib_conn);
iser_free_ib_conn_res(ib_conn, can_destroy_id);
iser_free_ib_conn_res(ib_conn);
ib_conn->device = NULL;
/* on EVENT_ADDR_ERROR there's no device yet for this conn */
if (device != NULL)
iser_device_try_release(device);
/* if cma handler context, the caller actually destroy the id */
if (ib_conn->cma_id != NULL && can_destroy_id) {
rdma_destroy_id(ib_conn->cma_id);
ib_conn->cma_id = NULL;
}
iscsi_destroy_endpoint(ib_conn->ep);
}