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authorBart Van Assche <bvanassche@acm.org>2022-07-27 21:34:14 +0200
committerJason Gunthorpe <jgg@nvidia.com>2022-07-29 21:45:37 +0200
commitaa7dfbb41b5a60ab90e244d6f586b8cb5c791c3e (patch)
treef5a6a861b427d71b0cb815226f6e9b7e65a46d50 /drivers/infiniband/ulp/srpt/ib_srpt.h
parentRDMA/srpt: Duplicate port name members (diff)
downloadlinux-aa7dfbb41b5a60ab90e244d6f586b8cb5c791c3e.tar.xz
linux-aa7dfbb41b5a60ab90e244d6f586b8cb5c791c3e.zip
RDMA/srpt: Introduce a reference count in struct srpt_device
This will be used to keep struct srpt_device around as long as either the RDMA port exists or a LIO target port is associated with the struct srpt_device. Link: https://lore.kernel.org/r/20220727193415.1583860-3-bvanassche@acm.org Signed-off-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/ulp/srpt/ib_srpt.h')
-rw-r--r--drivers/infiniband/ulp/srpt/ib_srpt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h
index 3844a7058559..0cb867d580f1 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.h
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.h
@@ -434,6 +434,7 @@ struct srpt_port {
/**
* struct srpt_device - information associated by SRPT with a single HCA
+ * @refcnt: Reference count for this device.
* @device: Backpointer to the struct ib_device managed by the IB core.
* @pd: IB protection domain.
* @lkey: L_Key (local key) with write access to all local memory.
@@ -449,6 +450,7 @@ struct srpt_port {
* @port: Information about the ports owned by this HCA.
*/
struct srpt_device {
+ struct kref refcnt;
struct ib_device *device;
struct ib_pd *pd;
u32 lkey;