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Move each SLRU's lwlocks to a separate tranche.

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This makes it significantly easier to identify these lwlocks in
LWLOCK_STATS or Trace_lwlocks output.  It's also arguably better
from a modularity standpoint, since lwlock.c no longer needs to
know anything about the LWLock needs of the higher-level SLRU
facility.

Ildus Kurbangaliev, reviewd by Álvaro Herrera and by me.
This commit is contained in:
Robert Haas
2015-11-12 14:59:09 -05:00
parent c405918858
commit fe702a7b3f
9 changed files with 41 additions and 43 deletions
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2
src/backend/commands/async.c
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@ -479,7 +479,7 @@ AsyncShmemInit(void)
* Set up SLRU management of the pg_notify data.
*/
AsyncCtl->PagePrecedes = asyncQueuePagePrecedes;
SimpleLruInit(AsyncCtl, "Async Ctl", NUM_ASYNC_BUFFERS, 0,
SimpleLruInit(AsyncCtl, "async", NUM_ASYNC_BUFFERS, 0,
AsyncCtlLock, "pg_notify");
/* Override default assumption that writes should be fsync'd */
AsyncCtl->do_fsync = false;