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11 | 11 | * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group |
12 | 12 | * Portions Copyright (c) 1994, Regents of the University of California |
13 | 13 | * |
14 | | - * $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.70 2010/02/09 21:43:29 tgl Exp $ |
| 14 | + * $PostgreSQL: pgsql/src/backend/access/transam/xlogutils.c,v 1.71 2010/07/08 16:08:30 tgl Exp $ |
15 | 15 | * |
16 | 16 | *------------------------------------------------------------------------- |
17 | 17 | */ |
@@ -227,11 +227,9 @@ XLogCheckInvalidPages(void) |
227 | 227 | * LockBuffer(buffer, BUFFER_LOCK_EXCLUSIVE), for reading from the main |
228 | 228 | * fork. |
229 | 229 | * |
230 | | - * (Getting the lock is not really necessary, since we expect that this is |
231 | | - * only used during single-process XLOG replay, but some subroutines such |
232 | | - * as MarkBufferDirty will complain if we don't. And hopefully we'll get |
233 | | - * hot standby support in the future, where there will be backends running |
234 | | - * read-only queries during XLOG replay.) |
| 230 | + * (Getting the buffer lock is not really necessary during single-process |
| 231 | + * crash recovery, but some subroutines such as MarkBufferDirty will complain |
| 232 | + * if we don't have the lock. In hot standby mode it's definitely necessary.) |
235 | 233 | * |
236 | 234 | * The returned buffer is exclusively-locked. |
237 | 235 | * |
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