Release mergerfs v2.37.0 · trapexit/mergerfs

Change Summary

readdir policies: func.readdir=X where X is seq, cor, or cosr.
- seq: sequential - works same as before. Iterate over each branch in order configured.
- cosr: concurrent open sequential read - dispatches requests to open directories to a thread pool and then reads directories sequentially the same way seq does.
- cor: concurrent open and read - dispatches requests to a thread pool which both opens and reads directories concurrently.
- thread pool sizes are configurable. cosr:5 would give you 5 threads.
- see the docs for more info
Add invalidation of gid cache via SIGUSR2 (which also triggers a full memory gc)

Lib updates by @trapexit in #1213
Move fuse thread args out of fuse session object by @trapexit in #1219
Fix logging pin-threads details by @trapexit in #1220
Add readdir policies by @trapexit in #1224
Add callbacks for newer functions by @trapexit in #1225
Fix a typo in README.md by @feltcat in #1226
Add ability to invalidate gid cache on demand by @trapexit in #1227
Add thread names for easier debugging by @trapexit in #1228
Fix setting of ugids for concurrent readdir by @trapexit in #1231
Update wyhash to final4 by @trapexit in #1232
Use relaxed memory order for atomic counters by @trapexit in #1233
Misc fixes for older platforms by @trapexit in #1234
Docs: clarify parallel-direct-writes and cache.files by @DavidFair in #1235
Initialize readdir threadpool after daemonizing by @trapexit in #1237
Change threadpool to use concurrentqueue by @trapexit in #1238
Add proper input validation for readdir policy by @trapexit in #1239
Rework thread pool, add ability to add/remove threads at runtime by @trapexit in #1240
Add website and license to version option by @trapexit in #1241
Remove unneeded debug logging from thread pool by @trapexit in #1242
Add some new questions to FAQ by @trapexit in #1244

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