diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-12-23 21:12:54 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-23 22:29:06 +0300 |
| commit | ab67ed8de0250e9ad7956ff4d98c3c98858b6c3c (patch) | |
| tree | 57db1670b47a399a42277568be2f45e4b886fb74 /drivers/infiniband/core/uverbs_cmd.c | |
| parent | 7cf9ff643b7f709173ca6ff6376fdff5b8d16124 (diff) | |
| download | linux-ab67ed8de0250e9ad7956ff4d98c3c98858b6c3c.tar.xz | |
IB: remove the write-only usecnt field from struct ib_mr
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>
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 5428ebee096f..0a84182d277f 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -993,7 +993,6 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, mr->pd = pd; mr->uobject = uobj; atomic_inc(&pd->usecnt); - atomic_set(&mr->usecnt, 0); uobj->object = mr; ret = idr_add_uobj(&ib_uverbs_mr_idr, uobj); @@ -1091,11 +1090,6 @@ ssize_t ib_uverbs_rereg_mr(struct ib_uverbs_file *file, } } - if (atomic_read(&mr->usecnt)) { - ret = -EBUSY; - goto put_uobj_pd; - } - old_pd = mr->pd; ret = mr->device->rereg_user_mr(mr, cmd.flags, cmd.start, cmd.length, cmd.hca_va, |