Description: btrfs: fix data races when accessing the reserved amount of block reserves
References:
Notes:
 carnil> First introducing commit could not be determined.
Bugs:
upstream: released (6.8-rc7) [e06cc89475eddc1f3a7a4d471524256152c68166]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: released (6.7.11) [c44542093525699a30c307dae1ea5a1b03b3302f]
6.6-upstream-stable: released (6.6.23) [82220b1835baaebf4ae2e490f56353a341a09bd2]
6.1-upstream-stable: released (6.1.83) [995e91c9556c8fc6028b474145a36e947d1eb6b6]
5.10-upstream-stable: needed
4.19-upstream-stable: needed
sid: released (6.7.12-1)
6.1-bookworm-security: released (6.1.85-1)
5.10-bullseye-security: needed
4.19-buster-security: needed