Spdk/module/bdev/delay
Shuhei Matsumoto 2515621184 bdev/delay: Find delay_bdev directly from g_delay_node list
spdk_bdev_get_by_name() uses RB tree and is fast. However it is not
secure from race condition. We can use spdk_bdev_open_ext() instead
but what we want to get is not spdk_bdev but vbdev_delay.
vbdev_delay is managed by the g_delay_nodes list.

The g_delay_nodes includes only vbdev_delay. Even if its performance
is O(N), it is more intutive, more secure, and small list.

So replace spdk_bdev_get_by_name() by simple list traversal.

Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: I3e184066e237e10132523591133900231055b5af
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12069
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2022-04-04 09:57:43 +00:00
..
Makefile so_ver: increase all major versions 2022-01-31 15:29:56 +00:00
vbdev_delay_rpc.c module/bdev: Use spdk_bdev_unregister_by_name() if possible 2022-04-04 09:57:43 +00:00
vbdev_delay.c bdev/delay: Find delay_bdev directly from g_delay_node list 2022-04-04 09:57:43 +00:00
vbdev_delay.h module/bdev: Use spdk_bdev_unregister_by_name() if possible 2022-04-04 09:57:43 +00:00