Description: block: Fix WARNING in _copy_from_iter
References:
Notes:
 carnil> First introducing commit could not be determined.
Bugs:
upstream: released (6.8-rc2) [13f3956eb5681a4045a8dfdef48df5dc4d9f58a6]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.7) [cbaf9be337f7da25742acfce325119e3395b1f1b]
6.6-upstream-stable: released (6.6.19) [0f1bae071de9967602807472921829a54b2e5956]
6.1-upstream-stable: released (6.1.80) [8fc80874103a5c20aebdc2401361aa01c817f75b]
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: needed