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authorJack Morgenstein <jackm@dev.mellanox.co.il>2018-05-23 15:30:30 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-05-28 11:41:39 -0600
commit08bb558ac11ab944e0539e78619d7b4c356278bd (patch)
tree41e3c9c3d0d3bc2a3c764765568c4f711d067403 /drivers/infiniband/core/umem.c
parent55ba49cbcef37053d973f9a45bc58818c333fe13 (diff)
downloadlinux-08bb558ac11ab944e0539e78619d7b4c356278bd.tar.bz2
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.c11
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);