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authorMark Zhang <markz@mellanox.com>2019-07-02 13:02:33 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-05 10:22:54 -0300
commit6a6c306a09b5227d51fcc1643c888e316935dfa8 (patch)
tree282245b95175673026c15c6922cfe25c70c2b320 /drivers/infiniband/core
parent699a9c540a04d05aa342cd84606bc8b1e8c05b7b (diff)
RDMA/restrack: Make is_visible_in_pid_ns() as an API
Remove is_visible_in_pid_ns() from nldev.c and make it as a restrack API, so that it can be taken advantage by other parts like counter. Signed-off-by: Mark Zhang <markz@mellanox.com> Reviewed-by: Majd Dibbiny <majd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/nldev.c15
-rw-r--r--drivers/infiniband/core/restrack.c13
-rw-r--r--drivers/infiniband/core/restrack.h1
3 files changed, 16 insertions, 13 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 5499f5629dc2..d9ebfb50962b 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -1002,17 +1002,6 @@ static const struct nldev_fill_res_entry fill_entries[RDMA_RESTRACK_MAX] = {
},
};
-static bool is_visible_in_pid_ns(struct rdma_restrack_entry *res)
-{
- /*
- * 1. Kern resources should be visible in init name space only
- * 2. Present only resources visible in the current namespace
- */
- if (rdma_is_kernel_res(res))
- return task_active_pid_ns(current) == &init_pid_ns;
- return task_active_pid_ns(current) == task_active_pid_ns(res->task);
-}
-
static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack,
enum rdma_restrack_type res_type)
@@ -1057,7 +1046,7 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
goto err;
}
- if (!is_visible_in_pid_ns(res)) {
+ if (!rdma_is_visible_in_pid_ns(res)) {
ret = -ENOENT;
goto err_get;
}
@@ -1169,7 +1158,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
* objects.
*/
xa_for_each(&rt->xa, id, res) {
- if (!is_visible_in_pid_ns(res))
+ if (!rdma_is_visible_in_pid_ns(res))
continue;
if (idx < start || !rdma_restrack_get(res))
diff --git a/drivers/infiniband/core/restrack.c b/drivers/infiniband/core/restrack.c
index 3714634ae296..bddff426ee0f 100644
--- a/drivers/infiniband/core/restrack.c
+++ b/drivers/infiniband/core/restrack.c
@@ -349,3 +349,16 @@ out:
}
}
EXPORT_SYMBOL(rdma_restrack_del);
+
+bool rdma_is_visible_in_pid_ns(struct rdma_restrack_entry *res)
+{
+ /*
+ * 1. Kern resources should be visible in init
+ * namespace only
+ * 2. Present only resources visible in the current
+ * namespace
+ */
+ if (rdma_is_kernel_res(res))
+ return task_active_pid_ns(current) == &init_pid_ns;
+ return task_active_pid_ns(current) == task_active_pid_ns(res->task);
+}
diff --git a/drivers/infiniband/core/restrack.h b/drivers/infiniband/core/restrack.h
index d084e5f89849..7bd177cc0a61 100644
--- a/drivers/infiniband/core/restrack.h
+++ b/drivers/infiniband/core/restrack.h
@@ -27,4 +27,5 @@ int rdma_restrack_init(struct ib_device *dev);
void rdma_restrack_clean(struct ib_device *dev);
void rdma_restrack_attach_task(struct rdma_restrack_entry *res,
struct task_struct *task);
+bool rdma_is_visible_in_pid_ns(struct rdma_restrack_entry *res);
#endif /* _RDMA_CORE_RESTRACK_H_ */