pgsql: Tweak BgBufferSync() so that a persistent write error on a dirty

Started by Tom Lanealmost 21 years ago1 messagescomitters
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#1Tom Lane
tgl@sss.pgh.pa.us

Log Message:
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Tweak BgBufferSync() so that a persistent write error on a dirty buffer
doesn't block the bgwriter from making progress writing out other buffers.
This was a hard problem in the context of the ARC/2Q design, but it's
trivial in the context of clock sweep ... just advance the sweep counter
before we try to write not after.

Modified Files:
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pgsql/src/backend/postmaster:
bgwriter.c (r1.17 -> r1.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/bgwriter.c.diff?r1=1.17&r2=1.18)
pgsql/src/backend/storage/buffer:
bufmgr.c (r1.189 -> r1.190)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/bufmgr.c.diff?r1=1.189&r2=1.190)