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fs: dlm: make dlm sequence id more robust 

When joining a new lockspace, use a random number to initialize
a sequence number used in messages. This makes it easier to detect
sequence number mismatches in message replies during tests that
repeatedly join and leave a lockspace.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Alexander Aring 2023-01-12 17:18:45 -05:00 committed by David Teigland
parent b8b750e0c9
commit 317dd6ba6c
1 changed files with 1 additions and 1 deletions
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fs/dlm/lockspace.c
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@ -572,7 +572,7 @@ static int new_lockspace(const char *name, const char *cluster,
spin_lock_init(&ls->ls_rcom_spin);
get_random_bytes(&ls->ls_rcom_seq, sizeof(uint64_t));
ls->ls_recover_status = 0;
ls->ls_recover_seq = 0;
ls->ls_recover_seq = get_random_u64();
ls->ls_recover_args = NULL;
init_rwsem(&ls->ls_in_recovery);
init_rwsem(&ls->ls_recv_active);