file_system: update fs2 fork to use posix_fallocate
close tikv/tikv#12543
Use `posix_fallocate` for space reservation.
@@ -1869,7 +1869,7 @@ dependencies = [
[[package]]
name = "fs2"
version = "0.4.3"
-source = "git+https://github.com/tabokie/fs2-rs?branch=tikv#9e17642f4ddec02a8d7733d8c5977cf211de6552"
+source = "git+https://github.com/tabokie/fs2-rs?branch=tikv#cd503764a19a99d74c1ab424dd13d6bcd093fcae"
dependencies = [
"libc 0.2.125",
"winapi 0.3.9",
