Author: mav
Date: Mon Apr 30 19:21:20 2018
New Revision: 333123
URL: https://svnweb.freebsd.org/changeset/base/333123
Log:
Set si_drv1 for nvmeXnsY in a new race-free way.
r332897 switched to new KPI, but havent used its main benefit.
Sponsored by: iXsystems, Inc.
Modified:
head/sys/dev/nvme/nvme_ns.c
Modified: head/sys/dev/nvme/nvme_ns.c
==============================================================================
--- head/sys/dev/nvme/nvme_ns.c Mon Apr 30 18:55:01 2018 (r333122)
+++ head/sys/dev/nvme/nvme_ns.c Mon Apr 30 19:21:20 2018 (r333123)
@@ -596,6 +596,7 @@ nvme_ns_construct(struct nvme_namespace *ns, uint32_t
md_args.mda_devsw = &nvme_ns_cdevsw;
md_args.mda_unit = unit;
md_args.mda_mode = 0600;
+ md_args.mda_si_drv1 = ns;
res = make_dev_s(&md_args, &ns->cdev, "nvme%dns%d",
device_get_unit(ctrlr->dev), ns->id);
if (res != 0)
@@ -604,8 +605,6 @@ nvme_ns_construct(struct nvme_namespace *ns, uint32_t
#ifdef NVME_UNMAPPED_BIO_SUPPORT
ns->cdev->si_flags |= SI_UNMAPPED;
#endif
-
- ns->cdev->si_drv1 = ns;
return (0);
}
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