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RDMA/rxe: Move mr cleanup code to rxe_mr_cleanup()

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Move the code which tears down an mr to rxe_mr_cleanup to allow operations
holding a reference to the mr to complete.

Link: https://lore.kernel.org/r/20220421014042.26985-6-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Bob Pearson 2022-04-20 20:40:38 -05:00 committed by Jason Gunthorpe
parent ed2b5dd0f8
commit cf40367961
1 changed files with 4 additions and 6 deletions
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10
drivers/infiniband/sw/rxe/rxe_mr.c
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@ -683,14 +683,10 @@ int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct rxe_mr *mr = to_rmr(ibmr);
if (atomic_read(&mr->num_mw) > 0) {
pr_warn("%s: Attempt to deregister an MR while bound to MWs\n",
__func__);
/* See IBA 10.6.7.2.6 */
if (atomic_read(&mr->num_mw) > 0)
return -EINVAL;
}
mr->state = RXE_MR_STATE_INVALID;
rxe_put(mr_pd(mr));
rxe_put(mr);
return 0;
@ -700,6 +696,8 @@ void rxe_mr_cleanup(struct rxe_pool_elem *elem)
{
struct rxe_mr *mr = container_of(elem, typeof(*mr), elem);
rxe_put(mr_pd(mr));
ib_umem_release(mr->umem);
if (mr->cur_map_set)