Rakshith R 113eebfd4c cephfs: safeguard subVolumeGroupCreated map from race condition
Multiple go-routines may simultaneously create the
subVolumeGroupCreated map or  write into it
for a particular group.

This commit safeguards subVolumeGroupCreated map
from concurrent creation/writes while allowing for multiple
readers.

Signed-off-by: Rakshith R <rar@redhat.com>
(cherry picked from commit d516a1d66d84e9fa62fc3e58d429f89205851741)
2023-10-11 11:38:52 +05:30
..