diff options
| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-11-21 13:57:07 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-12-14 13:31:37 -0500 |
| commit | 042dd765bdf401c0ccdeb16717b0c2a0b1405f18 (patch) | |
| tree | cf21e2e9f603adf822fe600c634190edda91be0f /drivers/infiniband | |
| parent | 1a1faf7a8a251d134d375b7783a614ee79e932f2 (diff) | |
| download | linux-042dd765bdf401c0ccdeb16717b0c2a0b1405f18.tar.bz2 | |
IB/srp: Introduce a local variable in srp_add_one()
This patch makes the srp_add_one() code more compact and does not
change any functionality.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/ulp/srp/ib_srp.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index 8bb720c68af0..c216c6eaef26 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -3527,6 +3527,7 @@ free_host: static void srp_add_one(struct ib_device *device) { struct srp_device *srp_dev; + struct ib_device_attr *attr = &device->attrs; struct srp_host *host; int mr_page_shift, p; u64 max_pages_per_mr; @@ -3541,25 +3542,25 @@ static void srp_add_one(struct ib_device *device) * minimum of 4096 bytes. We're unlikely to build large sglists * out of smaller entries. */ - mr_page_shift = max(12, ffs(device->attrs.page_size_cap) - 1); + mr_page_shift = max(12, ffs(attr->page_size_cap) - 1); srp_dev->mr_page_size = 1 << mr_page_shift; srp_dev->mr_page_mask = ~((u64) srp_dev->mr_page_size - 1); - max_pages_per_mr = device->attrs.max_mr_size; + max_pages_per_mr = attr->max_mr_size; do_div(max_pages_per_mr, srp_dev->mr_page_size); pr_debug("%s: %llu / %u = %llu <> %u\n", __func__, - device->attrs.max_mr_size, srp_dev->mr_page_size, + attr->max_mr_size, srp_dev->mr_page_size, max_pages_per_mr, SRP_MAX_PAGES_PER_MR); srp_dev->max_pages_per_mr = min_t(u64, SRP_MAX_PAGES_PER_MR, max_pages_per_mr); srp_dev->has_fmr = (device->alloc_fmr && device->dealloc_fmr && device->map_phys_fmr && device->unmap_fmr); - srp_dev->has_fr = (device->attrs.device_cap_flags & + srp_dev->has_fr = (attr->device_cap_flags & IB_DEVICE_MEM_MGT_EXTENSIONS); if (!never_register && !srp_dev->has_fmr && !srp_dev->has_fr) { dev_warn(&device->dev, "neither FMR nor FR is supported\n"); } else if (!never_register && - device->attrs.max_mr_size >= 2 * srp_dev->mr_page_size) { + attr->max_mr_size >= 2 * srp_dev->mr_page_size) { srp_dev->use_fast_reg = (srp_dev->has_fr && (!srp_dev->has_fmr || prefer_fr)); srp_dev->use_fmr = !srp_dev->use_fast_reg && srp_dev->has_fmr; @@ -3572,13 +3573,13 @@ static void srp_add_one(struct ib_device *device) if (srp_dev->use_fast_reg) { srp_dev->max_pages_per_mr = min_t(u32, srp_dev->max_pages_per_mr, - device->attrs.max_fast_reg_page_list_len); + attr->max_fast_reg_page_list_len); } srp_dev->mr_max_size = srp_dev->mr_page_size * srp_dev->max_pages_per_mr; pr_debug("%s: mr_page_shift = %d, device->max_mr_size = %#llx, device->max_fast_reg_page_list_len = %u, max_pages_per_mr = %d, mr_max_size = %#x\n", - device->name, mr_page_shift, device->attrs.max_mr_size, - device->attrs.max_fast_reg_page_list_len, + device->name, mr_page_shift, attr->max_mr_size, + attr->max_fast_reg_page_list_len, srp_dev->max_pages_per_mr, srp_dev->mr_max_size); INIT_LIST_HEAD(&srp_dev->dev_list); |