aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/restrack.c
diff options
context:
space:
mode:
authorLeon Romanovsky <leonro@mellanox.com>2019-01-30 12:48:58 +0200
committerJason Gunthorpe <jgg@mellanox.com>2019-01-30 21:15:47 -0700
commit0ad699c0edc97a864177679dd67f2ccd73b07cb7 (patch)
tree6c089d7e15abb819b26d60543ddf752794c39395 /drivers/infiniband/core/restrack.c
parentRDMA/nldev: Prepare CAP_NET_ADMIN checks for .doit callbacks (diff)
downloadlinux-dev-0ad699c0edc97a864177679dd67f2ccd73b07cb7.tar.xz
linux-dev-0ad699c0edc97a864177679dd67f2ccd73b07cb7.zip
RDMA/core: Simplify restrack interface
In the current implementation, we have one restrack root per-device and all users are simply providing it directly. Let's simplify the interface and have callers provide the ib_device and internally access the restrack_root. Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/restrack.c')
-rw-r--r--drivers/infiniband/core/restrack.c26
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index 46a5c553c624..0ade3da0a5c7 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -18,8 +18,14 @@ static int fill_res_noop(struct sk_buff *msg,
return 0;
}
-void rdma_restrack_init(struct rdma_restrack_root *res)
+/**
+ * rdma_restrack_init() - initialize resource tracking
+ * @dev: IB device
+ */
+void rdma_restrack_init(struct ib_device *dev)
{
+ struct rdma_restrack_root *res = &dev->res;
+
init_rwsem(&res->rwsem);
res->fill_res_entry = fill_res_noop;
}
@@ -38,11 +44,15 @@ static const char *type2str(enum rdma_restrack_type type)
return names[type];
};
-void rdma_restrack_clean(struct rdma_restrack_root *res)
+/**
+ * rdma_restrack_clean() - clean resource tracking
+ * @dev: IB device
+ */
+void rdma_restrack_clean(struct ib_device *dev)
{
+ struct rdma_restrack_root *res = &dev->res;
struct rdma_restrack_entry *e;
char buf[TASK_COMM_LEN];
- struct ib_device *dev;
const char *owner;
int bkt;
@@ -72,10 +82,16 @@ void rdma_restrack_clean(struct rdma_restrack_root *res)
pr_err("restrack: %s", CUT_HERE);
}
-int rdma_restrack_count(struct rdma_restrack_root *res,
- enum rdma_restrack_type type,
+/**
+ * rdma_restrack_count() - the current usage of specific object
+ * @dev: IB device
+ * @type: actual type of object to operate
+ * @ns: PID namespace
+ */
+int rdma_restrack_count(struct ib_device *dev, enum rdma_restrack_type type,
struct pid_namespace *ns)
{
+ struct rdma_restrack_root *res = &dev->res;
struct rdma_restrack_entry *e;
u32 cnt = 0;