Remove group mutex and related code and replace with GroupGuard where it was being used #2824
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.

Remove per-group mutexes and eliminate
MutexRegistryusage acrossxmtp_mls, replacing prior guards per the PR motivationDelete
MutexRegistry, removetokio::MutexfromMlsGroup, drop mutex accessors fromXmtpSharedContext, and stop locking inMlsGroup.sync_with_conn.📍Where to Start
Start with
MlsGroupconstruction and locking changes in xmtp_mls/src/groups/mod.rs, then reviewsync_with_connin xmtp_mls/src/groups/mls_sync.rs.Macroscope summarized 63eafd4.