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| author |   Mark Zhang <markz@mellanox.com> | 2019-07-02 13:02:33 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-07-05 10:22:54 -0300 |
| commit | 6a6c306a09b5227d51fcc1643c888e316935dfa8 (patch) | |
| tree | 282245b95175673026c15c6922cfe25c70c2b320 /drivers/infiniband/core/restrack.c | |
| parent | RDMA/restrack: Add an API to attach a task to a resource (diff) | |
| download | linux-dev-6a6c306a09b5227d51fcc1643c888e316935dfa8.tar.xz linux-dev-6a6c306a09b5227d51fcc1643c888e316935dfa8.zip | |
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/restrack.c')
| -rw-r--r-- | drivers/infiniband/core/restrack.c | 13 |
1 files changed, 13 insertions, 0 deletions
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); +} |