diff options
| author | Or Gerlitz <ogerlitz@mellanox.com> | 2015-12-18 09:59:49 +0100 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2015-12-22 20:39:00 +0100 |
| commit | cebfe5ca038e2a0f677b41e9682501708ffa2ff3 (patch) | |
| tree | ed62aa58f2a8cbdaa82baf081f09d354d9490cd0 /drivers | |
| parent | xprtrdma: Avoid calling ib_query_device (diff) | |
| download | linux-cebfe5ca038e2a0f677b41e9682501708ffa2ff3.tar.xz linux-cebfe5ca038e2a0f677b41e9682501708ffa2ff3.zip | |
staging/o2iblnd: Avoid calling ib_query_device
Instead, use the cached copy of the attributes present on the device.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c index 7c730e3f7453..7231ef8a9159 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c @@ -2070,32 +2070,13 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts) static int kiblnd_hdev_get_attr(kib_hca_dev_t *hdev) { - struct ib_device_attr *attr; - int rc; - /* It's safe to assume a HCA can handle a page size * matching that of the native system */ hdev->ibh_page_shift = PAGE_SHIFT; hdev->ibh_page_size = 1 << PAGE_SHIFT; hdev->ibh_page_mask = ~((__u64)hdev->ibh_page_size - 1); - LIBCFS_ALLOC(attr, sizeof(*attr)); - if (attr == NULL) { - CERROR("Out of memory\n"); - return -ENOMEM; - } - - rc = ib_query_device(hdev->ibh_ibdev, attr); - if (rc == 0) - hdev->ibh_mr_size = attr->max_mr_size; - - LIBCFS_FREE(attr, sizeof(*attr)); - - if (rc != 0) { - CERROR("Failed to query IB device: %d\n", rc); - return rc; - } - + hdev->ibh_mr_size = hdev->ibh_ibdev->attrs.max_mr_size; if (hdev->ibh_mr_size == ~0ULL) { hdev->ibh_mr_shift = 64; return 0; |