Description: NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce()
References:
Notes:
 carnil> Introduced in a7d42ddb3099 ("nfs: add mirroring support to pgio layer").
 carnil> Vulnerable versions: 4.0-rc1 4.1.52 4.4.124 4.9.90.
Bugs:
upstream: released (5.13-rc4) [0d0ea309357dea0d85a82815f02157eb7fcda39f]
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: released (5.10.42) [7087db95c0a06ab201b8ebfac6a7ec1e34257997]
4.19-upstream-stable: released (4.19.193) [40f139a6d50c232c0d1fd1c5e65a845c62db0ede]
sid: released (5.14.6-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: released (5.10.46-1)
4.19-buster-security: released (4.19.194-1)