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| author | Dan Gudmundsson <[email protected]> | 2011-12-07 10:09:28 +0100 |
|---|---|---|
| committer | Dan Gudmundsson <[email protected]> | 2011-12-07 10:09:28 +0100 |
| commit | fe9e57f765c428e7e9b94e24250d83474e77f09f (patch) | |
| tree | f0817fe29e73a14f4ba489c93c1d3f9de438dba8 | |
| parent | 8bce2d5a342bda12aad6607312e3796a37d7c8eb (diff) | |
| download | otp-fe9e57f765c428e7e9b94e24250d83474e77f09f.tar.gz otp-fe9e57f765c428e7e9b94e24250d83474e77f09f.tar.bz2 otp-fe9e57f765c428e7e9b94e24250d83474e77f09f.zip | |
[mnesia] Read record from correct node
Read from where_to_read otherwise bad data may read during
move_table, where where_to_write is updated before where_to_read
and the table is available.
| -rw-r--r-- | lib/mnesia/src/mnesia_locker.erl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/mnesia/src/mnesia_locker.erl b/lib/mnesia/src/mnesia_locker.erl index 5581c6c4a8..de4811f8e4 100644 --- a/lib/mnesia/src/mnesia_locker.erl +++ b/lib/mnesia/src/mnesia_locker.erl @@ -657,7 +657,8 @@ rwlock(Tid, Store, Oid) -> Lock = write, case need_lock(Store, Tab, Key, Lock) of yes -> - {Ns, Majority} = w_nodes(Tab), + {Ns0, Majority} = w_nodes(Tab), + Ns = [Node|lists:delete(Node,Ns0)], check_majority(Majority, Tab, Ns), Res = get_rwlocks_on_nodes(Ns, make_ref(), Store, Tid, Oid), ?ets_insert(Store, {{locks, Tab, Key}, Lock}), |