pgsql: Fix using too many LWLocks bug, reported by Craig Ringer

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От teodor@postgresql.org (Teodor Sigaev)
Тема pgsql: Fix using too many LWLocks bug, reported by Craig Ringer
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Msg-id 20080422175419.C4A9E7559CD@cvs.postgresql.org
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Log Message:
-----------
Fix using too many LWLocks bug, reported by Craig Ringer
<craig@postnewspapers.com.au>.
It was my mistake, I missed limitation of number of held locks, now GIN doesn't
use continiuous locks, but still hold buffers pinned to prevent interference
with vacuum's deletion algorithm.

Tags:
----
REL8_3_STABLE

Modified Files:
--------------
    pgsql/src/backend/access/gin:
        ginget.c (r1.10 -> r1.10.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/access/gin/ginget.c?r1=1.10&r2=1.10.2.1)
    pgsql/src/include/access:
        gin.h (r1.16 -> r1.16.2.1)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/access/gin.h?r1=1.16&r2=1.16.2.1)

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