diff options
| author |   Jason Gunthorpe <jgg@mellanox.com> | 2018-09-16 20:48:05 +0300 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2018-09-21 11:54:46 -0400 |
| commit | 41b4deeaa123e62e1037af7a0be547af2e0e05f1 (patch) | |
| tree | f687c58ea0c87dccf77ebc3b612e24c5897de452 /include/rdma/ib_umem_odp.h | |
| parent | RDMA/umem: Use ib_umem_odp in all function signatures connected to ODP (diff) | |
| download | linux-dev-41b4deeaa123e62e1037af7a0be547af2e0e05f1.tar.xz linux-dev-41b4deeaa123e62e1037af7a0be547af2e0e05f1.zip | |
RDMA/umem: Make ib_umem_odp into a sub structure of ib_umem
These two structures are linked together, use the container_of pattern
instead of a double allocation to make the code simpler and easier to
follow.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/ib_umem_odp.h')
| -rw-r--r-- | include/rdma/ib_umem_odp.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h index 3ef2975b5fb2..4519ea663df5 100644 --- a/include/rdma/ib_umem_odp.h +++ b/include/rdma/ib_umem_odp.h @@ -43,6 +43,7 @@ struct umem_odp_node { }; struct ib_umem_odp { + struct ib_umem umem; /* * An array of the pages included in the on-demand paging umem. * Indices of pages that are currently not mapped into the device will @@ -72,7 +73,6 @@ struct ib_umem_odp { /* A linked list of umems that don't have private mmu notifier * counters yet. */ struct list_head no_private_counters; - struct ib_umem *umem; /* Tree tracking */ struct umem_odp_node interval_tree; @@ -84,13 +84,12 @@ struct ib_umem_odp { static inline struct ib_umem_odp *to_ib_umem_odp(struct ib_umem *umem) { - return umem->odp_data; + return container_of(umem, struct ib_umem_odp, umem); } #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING -int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem, - int access); +int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access); struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext *context, unsigned long addr, size_t size); void ib_umem_odp_release(struct ib_umem_odp *umem_odp); @@ -158,9 +157,7 @@ static inline int ib_umem_mmu_notifier_retry(struct ib_umem_odp *umem_odp, #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */ -static inline int ib_umem_odp_get(struct ib_ucontext *context, - struct ib_umem *umem, - int access) +static inline int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access) { return -EINVAL; } |