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IB/core: add a need_inval flag to struct ib_mr

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This is the first step toward moving MR invalidation decisions
to the core.  It will be needed by the upcoming RW API.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Steve Wise 2016-05-03 18:01:08 +02:00 committed by Doug Ledford
parent fffb0383cf
commit d4a85c309b
2 changed files with 3 additions and 0 deletions
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2
drivers/infiniband/core/verbs.c
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@ -1353,6 +1353,7 @@ struct ib_mr *ib_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
mr->pd = pd; mr->pd = pd;
mr->uobject = NULL; mr->uobject = NULL;
atomic_inc(&pd->usecnt); atomic_inc(&pd->usecnt);
mr->need_inval = false;
} }
return mr; return mr;
@ -1399,6 +1400,7 @@ struct ib_mr *ib_alloc_mr(struct ib_pd *pd,
mr->pd = pd; mr->pd = pd;
mr->uobject = NULL; mr->uobject = NULL;
atomic_inc(&pd->usecnt); atomic_inc(&pd->usecnt);
mr->need_inval = false;
} }
return mr; return mr;

1
include/rdma/ib_verbs.h
View File

@ -1446,6 +1446,7 @@ struct ib_mr {
u64 iova; u64 iova;
u32 length; u32 length;
unsigned int page_size; unsigned int page_size;
bool need_inval;
union { union {
struct ib_uobject *uobject; /* user */ struct ib_uobject *uobject; /* user */
struct list_head qp_entry; /* FR */ struct list_head qp_entry; /* FR */