Description: io_uring: add missing item types for splice request
References:
 https://kernel.dance/#75454b4bbfc7e6a4dd8338556f36ea9107ddf61a
Notes:
 carnil> No upstream commit exists for this issue. Denote the commit
 carnil> wich removes any grabbing of context as the fixing commit for
 carnil> upstream, which is 44526bedc2ff ("io_uring: remove any grabbing
 carnil> of context").
Bugs:
upstream: released (5.12-rc1) [44526bedc2ff8fcd58552e3c5bae928524b6f13c]
5.10-upstream-stable: released (5.10.160) [75454b4bbfc7e6a4dd8338556f36ea9107ddf61a]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.14.6-1)
5.10-bullseye-security: released (5.10.162-1)
4.19-buster-security: N/A "Vulnerable code not present"