diff options
Diffstat (limited to 'src/backend/access/transam/slru.c')
| -rw-r--r-- | src/backend/access/transam/slru.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c index 7c3884628b..08bb3598ac 100644 --- a/src/backend/access/transam/slru.c +++ b/src/backend/access/transam/slru.c @@ -41,7 +41,7 @@ * Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/backend/access/transam/slru.c,v 1.38 2006/07/14 14:52:17 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/transam/slru.c,v 1.39 2006/10/04 00:29:49 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -92,8 +92,8 @@ typedef struct SlruFlushData { - int num_files; /* # files actually open */ - int fd[MAX_FLUSH_BUFFERS]; /* their FD's */ + int num_files; /* # files actually open */ + int fd[MAX_FLUSH_BUFFERS]; /* their FD's */ int segno[MAX_FLUSH_BUFFERS]; /* their log seg#s */ } SlruFlushData; @@ -113,7 +113,7 @@ typedef struct SlruFlushData * page_lru_count entries to be "reset" to lower values than they should have, * in case a process is delayed while it executes this macro. With care in * SlruSelectLRUPage(), this does little harm, and in any case the absolute - * worst possible consequence is a nonoptimal choice of page to evict. The + * worst possible consequence is a nonoptimal choice of page to evict. The * gain from allowing concurrent reads of SLRU pages seems worth it. */ #define SlruRecentlyUsed(shared, slotno) \ @@ -158,13 +158,13 @@ SimpleLruShmemSize(int nslots) /* we assume nslots isn't so large as to risk overflow */ sz = MAXALIGN(sizeof(SlruSharedData)); - sz += MAXALIGN(nslots * sizeof(char *)); /* page_buffer[] */ + sz += MAXALIGN(nslots * sizeof(char *)); /* page_buffer[] */ sz += MAXALIGN(nslots * sizeof(SlruPageStatus)); /* page_status[] */ - sz += MAXALIGN(nslots * sizeof(bool)); /* page_dirty[] */ - sz += MAXALIGN(nslots * sizeof(int)); /* page_number[] */ - sz += MAXALIGN(nslots * sizeof(int)); /* page_lru_count[] */ - sz += MAXALIGN(nslots * sizeof(LWLockId)); /* buffer_locks[] */ - + sz += MAXALIGN(nslots * sizeof(bool)); /* page_dirty[] */ + sz += MAXALIGN(nslots * sizeof(int)); /* page_number[] */ + sz += MAXALIGN(nslots * sizeof(int)); /* page_lru_count[] */ + sz += MAXALIGN(nslots * sizeof(LWLockId)); /* buffer_locks[] */ + return BUFFERALIGN(sz) + BLCKSZ * nslots; } @@ -653,9 +653,9 @@ SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno, SlruFlush fdata) * Easiest way to deal with that is to accept references to * nonexistent files here and in SlruPhysicalReadPage.) * - * Note: it is possible for more than one backend to be executing - * this code simultaneously for different pages of the same file. - * Hence, don't use O_EXCL or O_TRUNC or anything like that. + * Note: it is possible for more than one backend to be executing this + * code simultaneously for different pages of the same file. Hence, + * don't use O_EXCL or O_TRUNC or anything like that. */ SlruFileName(ctl, path, segno); fd = BasicOpenFile(path, O_RDWR | O_CREAT | PG_BINARY, @@ -759,22 +759,22 @@ SlruReportIOError(SlruCtl ctl, int pageno, TransactionId xid) ereport(ERROR, (errcode_for_file_access(), errmsg("could not access status of transaction %u", xid), - errdetail("Could not seek in file \"%s\" to offset %u: %m.", - path, offset))); + errdetail("Could not seek in file \"%s\" to offset %u: %m.", + path, offset))); break; case SLRU_READ_FAILED: ereport(ERROR, (errcode_for_file_access(), errmsg("could not access status of transaction %u", xid), - errdetail("Could not read from file \"%s\" at offset %u: %m.", - path, offset))); + errdetail("Could not read from file \"%s\" at offset %u: %m.", + path, offset))); break; case SLRU_WRITE_FAILED: ereport(ERROR, (errcode_for_file_access(), errmsg("could not access status of transaction %u", xid), - errdetail("Could not write to file \"%s\" at offset %u: %m.", - path, offset))); + errdetail("Could not write to file \"%s\" at offset %u: %m.", + path, offset))); break; case SLRU_FSYNC_FAILED: ereport(ERROR, |