This will allow us to resize the backend bdev of vhost-blk
and notify the guest OS that the capactiy of virtio-blk
disk has been resized.
The spdk api entry is `spdk_bdev_notify_blockcnt_change`.
Any bdev if used as vhost-blk backend may need to implement
a rpc that calls this function.
Related DPDK patch has been merged and release in 20.02.
https://www.mail-archive.com/dev@dpdk.org/msg153365.html
Signed-off-by: Li Feng <fengli@smartx.com>
Signed-off-by: Jin Yu <jin.yu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1468 (master)
(cherry picked from commit
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.. | ||
Makefile | ||
rte_vhost_compat.c | ||
spdk_vhost.map | ||
vhost_blk.c | ||
vhost_internal.h | ||
vhost_nvme.c | ||
vhost_rpc.c | ||
vhost_scsi.c | ||
vhost.c |