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| author | Dwight <dwight@10gen.com> | 2012-04-25 14:49:17 -0400 |
|---|---|---|
| committer | Dwight <dwight@10gen.com> | 2012-04-25 14:49:17 -0400 |
| commit | 50a2d2cacc5c3233abf573c75bc0c7af9056e642 (patch) | |
| tree | 39122fac93f55a674dd6464bd02898e168166186 /src/mongo/db/d_concurrency.cpp | |
| parent | 007d202d65682847e7ba0cc281a7650a5604e069 (diff) | |
| download | mongo-50a2d2cacc5c3233abf573c75bc0c7af9056e642.tar.gz | |
the journaling thread upgrades its qlock from R to W when it needs to REMAPPRIVATEVIEW. this upgrade
was not greedy and that was probably a bug. fixed.
Diffstat (limited to 'src/mongo/db/d_concurrency.cpp')
| -rw-r--r-- | src/mongo/db/d_concurrency.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mongo/db/d_concurrency.cpp b/src/mongo/db/d_concurrency.cpp index 71dbb2ac4e4..1dcee68fb47 100644 --- a/src/mongo/db/d_concurrency.cpp +++ b/src/mongo/db/d_concurrency.cpp @@ -666,6 +666,11 @@ namespace mongo { bool Lock::GlobalWrite::upgrade() { verify( !noop ); verify( threadState() == 'R' ); + if( stoppedGreed ) { + // we undo stopgreed here if it were set earlier, as we now want a W lock + stoppedGreed = false; + q.start_greed(); + } if( q.R_to_W() ) { lockState().changeLockState( 'W' ); return true; |