Description: blk-cgroup: Flush stats at blkgs destruction path
References:
 https://bugzilla.redhat.com/show_bug.cgi?id=2257968
 https://lore.kernel.org/linux-block/20221215033132.230023-3-longman@redhat.com/
Notes:
 carnil> Initially there was attempt to address it with dae590a6c96c ("blk-
 carnil> cgroup: Flush stats at blkgs destruction path") but then
 carnil> reverted with c62256dda371 ("Revert "blk-cgroup: Flush stats at
 carnil> blkgs destruction path"").
 carnil> Commit fixes 3b8cc6298724 ("blk-cgroup: Optimize
 carnil> blkcg_rstat_flush()") in 6.2-rc1.
Bugs:
upstream: released (6.4-rc7) [20cb1c2fb7568a6054c55defe044311397e01ddb]
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.3.11-1)
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"