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IB: remove the write-only usecnt field from struct ib_mr

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bvanassche@sandisk.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Christoph Hellwig
2015-12-23 19:12:54 +01:00
committed by Doug Ledford
parent 7cf9ff643b
commit ab67ed8de0
6 changed files with 1 additions and 21 deletions
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3
drivers/infiniband/hw/cxgb4/mem.c
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@@ -704,9 +704,6 @@ int c4iw_dereg_mr(struct ib_mr *ib_mr)
u32 mmid;
PDBG("%s ib_mr %p\n", __func__, ib_mr);
/* There can be no memory windows */
if (atomic_read(&ib_mr->usecnt))
return -EINVAL;
mhp = to_c4iw_mr(ib_mr);
rhp = mhp->rhp;