diff options
| author |   Jack Morgenstein <jackm@dev.mellanox.co.il> | 2018-05-23 15:30:30 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2018-05-28 11:41:39 -0600 |
| commit | 08bb558ac11ab944e0539e78619d7b4c356278bd (patch) | |
| tree | 41e3c9c3d0d3bc2a3c764765568c4f711d067403 /drivers/infiniband/core/umem.c | |
| parent | RDMA/hns: Move the location for initializing tmp_len (diff) | |
| download | linux-dev-08bb558ac11ab944e0539e78619d7b4c356278bd.tar.xz linux-dev-08bb558ac11ab944e0539e78619d7b4c356278bd.zip | |
IB/core: Make testing MR flags for writability a static inline function
Make the MR writability flags check, which is performed in umem.c,
a static inline function in file ib_verbs.h
This allows the function to be used by low-level infiniband drivers.
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/umem.c')
| -rw-r--r-- | drivers/infiniband/core/umem.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 2b6c9b516070..d76455edd292 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -119,16 +119,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr, umem->length = size; umem->address = addr; umem->page_shift = PAGE_SHIFT; - /* - * We ask for writable memory if any of the following - * access flags are set. "Local write" and "remote write" - * obviously require write access. "Remote atomic" can do - * things like fetch and add, which will modify memory, and - * "MW bind" can change permissions by binding a window. - */ - umem->writable = !!(access & - (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | - IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND)); + umem->writable = ib_access_writable(access); if (access & IB_ACCESS_ON_DEMAND) { ret = ib_umem_odp_get(context, umem, access); |