diff options
| author |   Bob Pearson <rpearsonhpe@gmail.com> | 2022-04-20 20:40:39 -0500 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2022-05-09 09:03:45 -0300 |
| commit | cde3f5d682279340a75b6ae90944b1c6bd3ae0d8 (patch) | |
| tree | 6fd0440da3bcd9eaa8a536c1c870ce2989cf9287 /drivers/infiniband/sw/rxe | |
| parent | RDMA/rxe: Move mr cleanup code to rxe_mr_cleanup() (diff) | |
| download | linux-dev-cde3f5d682279340a75b6ae90944b1c6bd3ae0d8.tar.xz linux-dev-cde3f5d682279340a75b6ae90944b1c6bd3ae0d8.zip | |
RDMA/rxe: Move mw cleanup code to rxe_mw_cleanup()
Move code from rxe_dealloc_mw() to rxe_mw_cleanup() to allow flows which
hold a reference to mw to complete.
Link: https://lore.kernel.org/r/20220421014042.26985-7-rpearsonhpe@gmail.com
Signed-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_mw.c | 57 | ||||
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_pool.c | 1 |
2 files changed, 29 insertions, 29 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mw.c b/drivers/infiniband/sw/rxe/rxe_mw.c index f29829efd07d..2e1fa844fabf 100644 --- a/drivers/infiniband/sw/rxe/rxe_mw.c +++ b/drivers/infiniband/sw/rxe/rxe_mw.c @@ -36,40 +36,11 @@ int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata) return 0; } -static void rxe_do_dealloc_mw(struct rxe_mw *mw) -{ - if (mw->mr) { - struct rxe_mr *mr = mw->mr; - - mw->mr = NULL; - atomic_dec(&mr->num_mw); - rxe_put(mr); - } - - if (mw->qp) { - struct rxe_qp *qp = mw->qp; - - mw->qp = NULL; - rxe_put(qp); - } - - mw->access = 0; - mw->addr = 0; - mw->length = 0; - mw->state = RXE_MW_STATE_INVALID; -} - int rxe_dealloc_mw(struct ib_mw *ibmw) { struct rxe_mw *mw = to_rmw(ibmw); - struct rxe_pd *pd = to_rpd(ibmw->pd); - - spin_lock_bh(&mw->lock); - rxe_do_dealloc_mw(mw); - spin_unlock_bh(&mw->lock); rxe_put(mw); - rxe_put(pd); return 0; } @@ -336,3 +307,31 @@ struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey) return mw; } + +void rxe_mw_cleanup(struct rxe_pool_elem *elem) +{ + struct rxe_mw *mw = container_of(elem, typeof(*mw), elem); + struct rxe_pd *pd = to_rpd(mw->ibmw.pd); + + rxe_put(pd); + + if (mw->mr) { + struct rxe_mr *mr = mw->mr; + + mw->mr = NULL; + atomic_dec(&mr->num_mw); + rxe_put(mr); + } + + if (mw->qp) { + struct rxe_qp *qp = mw->qp; + + mw->qp = NULL; + rxe_put(qp); + } + + mw->access = 0; + mw->addr = 0; + mw->length = 0; + mw->state = RXE_MW_STATE_INVALID; +} diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index 8e6c4df17da8..19b14826385b 100644 --- a/drivers/infiniband/sw/rxe/rxe_pool.c +++ b/drivers/infiniband/sw/rxe/rxe_pool.c @@ -81,6 +81,7 @@ static const struct rxe_type_info { .name = "mw", .size = sizeof(struct rxe_mw), .elem_offset = offsetof(struct rxe_mw, elem), + .cleanup = rxe_mw_cleanup, .min_index = RXE_MIN_MW_INDEX, .max_index = RXE_MAX_MW_INDEX, .max_elem = RXE_MAX_MW_INDEX - RXE_MIN_MW_INDEX + 1, |