diff options
| author |   Or Gerlitz <ogerlitz@mellanox.com> | 2015-12-18 10:59:45 +0200 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-12-22 14:39:00 -0500 |
| commit | 86bee4c9c126b4f73e3f152cd43c806cac9135ad (patch) | |
| tree | c57b8c7a04f0a415549f5cd2d1c9195ae9a16e20 /drivers/infiniband/core/fmr_pool.c | |
| parent | IB/core: Save the device attributes on the device structure (diff) | |
| download | linux-dev-86bee4c9c126b4f73e3f152cd43c806cac9135ad.tar.xz linux-dev-86bee4c9c126b4f73e3f152cd43c806cac9135ad.zip | |
IB/core: Avoid calling ib_query_device
Use the cached copy of the attributes present on the device, except for
the case of a query originating from user-space, where we have to invoke
the driver query_device entry, so they can fill in their udata.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/fmr_pool.c')
| -rw-r--r-- | drivers/infiniband/core/fmr_pool.c | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c index 9f5ad7cc33c8..6ac3683c144b 100644 --- a/drivers/infiniband/core/fmr_pool.c +++ b/drivers/infiniband/core/fmr_pool.c @@ -212,7 +212,6 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, { struct ib_device *device; struct ib_fmr_pool *pool; - struct ib_device_attr *attr; int i; int ret; int max_remaps; @@ -228,25 +227,10 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, return ERR_PTR(-ENOSYS); } - attr = kmalloc(sizeof *attr, GFP_KERNEL); - if (!attr) { - printk(KERN_WARNING PFX "couldn't allocate device attr struct\n"); - return ERR_PTR(-ENOMEM); - } - - ret = ib_query_device(device, attr); - if (ret) { - printk(KERN_WARNING PFX "couldn't query device: %d\n", ret); - kfree(attr); - return ERR_PTR(ret); - } - - if (!attr->max_map_per_fmr) + if (!device->attrs.max_map_per_fmr) max_remaps = IB_FMR_MAX_REMAPS; else - max_remaps = attr->max_map_per_fmr; - - kfree(attr); + max_remaps = device->attrs.max_map_per_fmr; pool = kmalloc(sizeof *pool, GFP_KERNEL); if (!pool) { |