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crimson/common/tri_mutex: update the class comment
authorKefu Chai <kchai@redhat.com>
Wed, 16 Sep 2020 01:10:10 +0000 (09:10 +0800)
committerKefu Chai <kchai@redhat.com>
Wed, 16 Sep 2020 01:10:14 +0000 (09:10 +0800)
commit441360dbb0b0f532ed59caf45de9a7ef836c2643
treeb5703fcd3fb8cfe895d2dd8d718054229c511c8c
parent03d5b5d9dc2045eb0937ab55ed700e65a7e918c0
crimson/common/tri_mutex: update the class comment

to explain the reason why we have tri_mutex, and how it is related to
pipelined read / write. and the mutual exclusion between read, write
and rmw operations.

Signed-off-by: Kefu Chai <kchai@redhat.com>
src/crimson/common/tri_mutex.h