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-rw-r--r--src/backend/access/gin/ginentrypage.c6
-rw-r--r--src/backend/access/gin/ginfast.c11
-rw-r--r--src/backend/access/hash/hashpage.c8
-rw-r--r--src/backend/access/heap/heapam.c16
-rw-r--r--src/backend/access/heap/visibilitymap.c11
-rw-r--r--src/backend/access/transam/generic_xlog.c21
-rw-r--r--src/backend/access/transam/xlog.c26
-rw-r--r--src/backend/access/transam/xloginsert.c14
-rw-r--r--src/backend/access/transam/xlogreader.c6
-rw-r--r--src/backend/commands/tablecmds.c17
-rw-r--r--src/backend/replication/walsender.c6
-rw-r--r--src/backend/storage/file/buffile.c10
-rw-r--r--src/backend/storage/freespace/freespace.c11
-rw-r--r--src/backend/utils/sort/logtape.c6
14 files changed, 68 insertions, 101 deletions
diff --git a/src/backend/access/gin/ginentrypage.c b/src/backend/access/gin/ginentrypage.c
index 810769718f4..184cc0af3e6 100644
--- a/src/backend/access/gin/ginentrypage.c
+++ b/src/backend/access/gin/ginentrypage.c
@@ -616,7 +616,7 @@ entrySplitPage(GinBtree btree, Buffer origbuf,
Page lpage = PageGetTempPageCopy(BufferGetPage(origbuf));
Page rpage = PageGetTempPageCopy(BufferGetPage(origbuf));
Size pageSize = PageGetPageSize(lpage);
- char tupstore[2 * BLCKSZ];
+ PGAlignedBlock tupstore[2]; /* could need 2 pages' worth of tuples */
entryPreparePage(btree, lpage, off, insertData, updateblkno);
@@ -625,7 +625,7 @@ entrySplitPage(GinBtree btree, Buffer origbuf,
* one after another in a temporary workspace.
*/
maxoff = PageGetMaxOffsetNumber(lpage);
- ptr = tupstore;
+ ptr = tupstore[0].data;
for (i = FirstOffsetNumber; i <= maxoff; i++)
{
if (i == off)
@@ -658,7 +658,7 @@ entrySplitPage(GinBtree btree, Buffer origbuf,
GinInitPage(rpage, GinPageGetOpaque(lpage)->flags, pageSize);
GinInitPage(lpage, GinPageGetOpaque(rpage)->flags, pageSize);
- ptr = tupstore;
+ ptr = tupstore[0].data;
maxoff++;
lsize = 0;
diff --git a/src/backend/access/gin/ginfast.c b/src/backend/access/gin/ginfast.c
index e32807e62ac..ca2a32bd257 100644
--- a/src/backend/access/gin/ginfast.c
+++ b/src/backend/access/gin/ginfast.c
@@ -64,18 +64,15 @@ writeListPage(Relation index, Buffer buffer,
size = 0;
OffsetNumber l,
off;
- char *workspace;
+ PGAlignedBlock workspace;
char *ptr;
- /* workspace could be a local array; we use palloc for alignment */
- workspace = palloc(BLCKSZ);
-
START_CRIT_SECTION();
GinInitBuffer(buffer, GIN_LIST);
off = FirstOffsetNumber;
- ptr = workspace;
+ ptr = workspace.data;
for (i = 0; i < ntuples; i++)
{
@@ -127,7 +124,7 @@ writeListPage(Relation index, Buffer buffer,
XLogRegisterData((char *) &data, sizeof(ginxlogInsertListPage));
XLogRegisterBuffer(0, buffer, REGBUF_WILL_INIT);
- XLogRegisterBufData(0, workspace, size);
+ XLogRegisterBufData(0, workspace.data, size);
recptr = XLogInsert(RM_GIN_ID, XLOG_GIN_INSERT_LISTPAGE);
PageSetLSN(page, recptr);
@@ -140,8 +137,6 @@ writeListPage(Relation index, Buffer buffer,
END_CRIT_SECTION();
- pfree(workspace);
-
return freesize;
}
diff --git a/src/backend/access/hash/hashpage.c b/src/backend/access/hash/hashpage.c
index 3ec29a53568..69a9c4f1fee 100644
--- a/src/backend/access/hash/hashpage.c
+++ b/src/backend/access/hash/hashpage.c
@@ -1000,7 +1000,7 @@ static bool
_hash_alloc_buckets(Relation rel, BlockNumber firstblock, uint32 nblocks)
{
BlockNumber lastblock;
- char zerobuf[BLCKSZ];
+ PGAlignedBlock zerobuf;
Page page;
HashPageOpaque ovflopaque;
@@ -1013,7 +1013,7 @@ _hash_alloc_buckets(Relation rel, BlockNumber firstblock, uint32 nblocks)
if (lastblock < firstblock || lastblock == InvalidBlockNumber)
return false;
- page = (Page) zerobuf;
+ page = (Page) zerobuf.data;
/*
* Initialize the page. Just zeroing the page won't work; see
@@ -1034,11 +1034,11 @@ _hash_alloc_buckets(Relation rel, BlockNumber firstblock, uint32 nblocks)
log_newpage(&rel->rd_node,
MAIN_FORKNUM,
lastblock,
- zerobuf,
+ zerobuf.data,
true);
RelationOpenSmgr(rel);
- smgrextend(rel->rd_smgr, MAIN_FORKNUM, lastblock, zerobuf, false);
+ smgrextend(rel->rd_smgr, MAIN_FORKNUM, lastblock, zerobuf.data, false);
return true;
}
diff --git a/src/backend/access/heap/heapam.c b/src/backend/access/heap/heapam.c
index b8bfe23a823..56f1d82f962 100644
--- a/src/backend/access/heap/heapam.c
+++ b/src/backend/access/heap/heapam.c
@@ -2709,7 +2709,7 @@ heap_multi_insert(Relation relation, HeapTuple *tuples, int ntuples,
HeapTuple *heaptuples;
int i;
int ndone;
- char *scratch = NULL;
+ PGAlignedBlock scratch;
Page page;
bool needwal;
Size saveFreeSpace;
@@ -2727,14 +2727,6 @@ heap_multi_insert(Relation relation, HeapTuple *tuples, int ntuples,
xid, cid, options);
/*
- * Allocate some memory to use for constructing the WAL record. Using
- * palloc() within a critical section is not safe, so we allocate this
- * beforehand.
- */
- if (needwal)
- scratch = palloc(BLCKSZ);
-
- /*
* We're about to do the actual inserts -- but check for conflict first,
* to minimize the possibility of having to roll back work we've just
* done.
@@ -2826,7 +2818,7 @@ heap_multi_insert(Relation relation, HeapTuple *tuples, int ntuples,
uint8 info = XLOG_HEAP2_MULTI_INSERT;
char *tupledata;
int totaldatalen;
- char *scratchptr = scratch;
+ char *scratchptr = scratch.data;
bool init;
int bufflags = 0;
@@ -2885,7 +2877,7 @@ heap_multi_insert(Relation relation, HeapTuple *tuples, int ntuples,
scratchptr += datalen;
}
totaldatalen = scratchptr - tupledata;
- Assert((scratchptr - scratch) < BLCKSZ);
+ Assert((scratchptr - scratch.data) < BLCKSZ);
if (need_tuple_data)
xlrec->flags |= XLH_INSERT_CONTAINS_NEW_TUPLE;
@@ -2912,7 +2904,7 @@ heap_multi_insert(Relation relation, HeapTuple *tuples, int ntuples,
bufflags |= REGBUF_KEEP_DATA;
XLogBeginInsert();
- XLogRegisterData((char *) xlrec, tupledata - scratch);
+ XLogRegisterData((char *) xlrec, tupledata - scratch.data);
XLogRegisterBuffer(0, buffer, REGBUF_STANDARD | bufflags);
XLogRegisterBufData(0, tupledata, totaldatalen);
diff --git a/src/backend/access/heap/visibilitymap.c b/src/backend/access/heap/visibilitymap.c
index 239a10f5509..695567b4b0d 100644
--- a/src/backend/access/heap/visibilitymap.c
+++ b/src/backend/access/heap/visibilitymap.c
@@ -645,10 +645,9 @@ static void
vm_extend(Relation rel, BlockNumber vm_nblocks)
{
BlockNumber vm_nblocks_now;
- Page pg;
+ PGAlignedBlock pg;
- pg = (Page) palloc(BLCKSZ);
- PageInit(pg, BLCKSZ, 0);
+ PageInit((Page) pg.data, BLCKSZ, 0);
/*
* We use the relation extension lock to lock out other backends trying to
@@ -679,10 +678,10 @@ vm_extend(Relation rel, BlockNumber vm_nblocks)
/* Now extend the file */
while (vm_nblocks_now < vm_nblocks)
{
- PageSetChecksumInplace(pg, vm_nblocks_now);
+ PageSetChecksumInplace((Page) pg.data, vm_nblocks_now);
smgrextend(rel->rd_smgr, VISIBILITYMAP_FORKNUM, vm_nblocks_now,
- (char *) pg, false);
+ pg.data, false);
vm_nblocks_now++;
}
@@ -699,6 +698,4 @@ vm_extend(Relation rel, BlockNumber vm_nblocks)
rel->rd_smgr->smgr_vm_nblocks = vm_nblocks_now;
UnlockRelationForExtension(rel, ExclusiveLock);
-
- pfree(pg);
}
diff --git a/src/backend/access/transam/generic_xlog.c b/src/backend/access/transam/generic_xlog.c
index ce023548ae8..aa7ad725f4e 100644
--- a/src/backend/access/transam/generic_xlog.c
+++ b/src/backend/access/transam/generic_xlog.c
@@ -61,14 +61,11 @@ typedef struct
/* State of generic xlog record construction */
struct GenericXLogState
{
- /*
- * page's images. Should be first in this struct to have MAXALIGN'ed
- * images addresses, because some code working with pages directly aligns
- * addresses, not offsets from beginning of page
- */
- char images[MAX_GENERIC_XLOG_PAGES * BLCKSZ];
+ /* Info about each page, see above */
PageData pages[MAX_GENERIC_XLOG_PAGES];
bool isLogged;
+ /* Page images (properly aligned) */
+ PGAlignedBlock images[MAX_GENERIC_XLOG_PAGES];
};
static void writeFragment(PageData *pageData, OffsetNumber offset,
@@ -251,12 +248,12 @@ computeDelta(PageData *pageData, Page curpage, Page targetpage)
#ifdef WAL_DEBUG
if (XLOG_DEBUG)
{
- char tmp[BLCKSZ];
+ PGAlignedBlock tmp;
- memcpy(tmp, curpage, BLCKSZ);
- applyPageRedo(tmp, pageData->delta, pageData->deltaLen);
- if (memcmp(tmp, targetpage, targetLower) != 0 ||
- memcmp(tmp + targetUpper, targetpage + targetUpper,
+ memcpy(tmp.data, curpage, BLCKSZ);
+ applyPageRedo(tmp.data, pageData->delta, pageData->deltaLen);
+ if (memcmp(tmp.data, targetpage, targetLower) != 0 ||
+ memcmp(tmp.data + targetUpper, targetpage + targetUpper,
BLCKSZ - targetUpper) != 0)
elog(ERROR, "result of generic xlog apply does not match");
}
@@ -277,7 +274,7 @@ GenericXLogStart(Relation relation)
for (i = 0; i < MAX_GENERIC_XLOG_PAGES; i++)
{
- state->pages[i].image = state->images + BLCKSZ * i;
+ state->pages[i].image = state->images[i].data;
state->pages[i].buffer = InvalidBuffer;
}
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index e0d3a93adee..32bbe11da38 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -3209,8 +3209,7 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
{
char path[MAXPGPATH];
char tmppath[MAXPGPATH];
- char zbuffer_raw[XLOG_BLCKSZ + MAXIMUM_ALIGNOF];
- char *zbuffer;
+ PGAlignedXLogBlock zbuffer;
XLogSegNo installed_segno;
XLogSegNo max_segno;
int fd;
@@ -3262,17 +3261,13 @@ XLogFileInit(XLogSegNo logsegno, bool *use_existent, bool use_lock)
* fsync below) that all the indirect blocks are down on disk. Therefore,
* fdatasync(2) or O_DSYNC will be sufficient to sync future writes to the
* log file.
- *
- * Note: ensure the buffer is reasonably well-aligned; this may save a few
- * cycles transferring data to the kernel.
*/
- zbuffer = (char *) MAXALIGN(zbuffer_raw);
- memset(zbuffer, 0, XLOG_BLCKSZ);
+ memset(zbuffer.data, 0, XLOG_BLCKSZ);
for (nbytes = 0; nbytes < wal_segment_size; nbytes += XLOG_BLCKSZ)
{
errno = 0;
pgstat_report_wait_start(WAIT_EVENT_WAL_INIT_WRITE);
- if ((int) write(fd, zbuffer, XLOG_BLCKSZ) != (int) XLOG_BLCKSZ)
+ if ((int) write(fd, zbuffer.data, XLOG_BLCKSZ) != (int) XLOG_BLCKSZ)
{
int save_errno = errno;
@@ -3379,7 +3374,7 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
{
char path[MAXPGPATH];
char tmppath[MAXPGPATH];
- char buffer[XLOG_BLCKSZ];
+ PGAlignedXLogBlock buffer;
int srcfd;
int fd;
int nbytes;
@@ -3422,7 +3417,7 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
* zeros.
*/
if (nread < sizeof(buffer))
- memset(buffer, 0, sizeof(buffer));
+ memset(buffer.data, 0, sizeof(buffer));
if (nread > 0)
{
@@ -3430,7 +3425,7 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
nread = sizeof(buffer);
errno = 0;
pgstat_report_wait_start(WAIT_EVENT_WAL_COPY_READ);
- if (read(srcfd, buffer, nread) != nread)
+ if (read(srcfd, buffer.data, nread) != nread)
{
if (errno != 0)
ereport(ERROR,
@@ -3446,7 +3441,7 @@ XLogFileCopy(XLogSegNo destsegno, TimeLineID srcTLI, XLogSegNo srcsegno,
}
errno = 0;
pgstat_report_wait_start(WAIT_EVENT_WAL_COPY_WRITE);
- if ((int) write(fd, buffer, sizeof(buffer)) != (int) sizeof(buffer))
+ if ((int) write(fd, buffer.data, sizeof(buffer)) != (int) sizeof(buffer))
{
int save_errno = errno;
@@ -6482,8 +6477,11 @@ StartupXLOG(void)
xlogreader->system_identifier = ControlFile->system_identifier;
/*
- * Allocate pages dedicated to WAL consistency checks, those had better be
- * aligned.
+ * Allocate two page buffers dedicated to WAL consistency checks. We do
+ * it this way, rather than just making static arrays, for two reasons:
+ * (1) no need to waste the storage in most instantiations of the backend;
+ * (2) a static char array isn't guaranteed to have any particular
+ * alignment, whereas palloc() will provide MAXALIGN'd storage.
*/
replay_image_masked = (char *) palloc(BLCKSZ);
master_image_masked = (char *) palloc(BLCKSZ);
diff --git a/src/backend/access/transam/xloginsert.c b/src/backend/access/transam/xloginsert.c
index 5bea073a2b7..34d4db42977 100644
--- a/src/backend/access/transam/xloginsert.c
+++ b/src/backend/access/transam/xloginsert.c
@@ -809,12 +809,12 @@ XLogCompressBackupBlock(char *page, uint16 hole_offset, uint16 hole_length,
int32 len;
int32 extra_bytes = 0;
char *source;
- char tmp[BLCKSZ];
+ PGAlignedBlock tmp;
if (hole_length != 0)
{
/* must skip the hole */
- source = tmp;
+ source = tmp.data;
memcpy(source, page, hole_offset);
memcpy(source + hole_offset,
page + (hole_offset + hole_length),
@@ -917,7 +917,7 @@ XLogSaveBufferForHint(Buffer buffer, bool buffer_std)
if (lsn <= RedoRecPtr)
{
int flags;
- char copied_buffer[BLCKSZ];
+ PGAlignedBlock copied_buffer;
char *origdata = (char *) BufferGetBlock(buffer);
RelFileNode rnode;
ForkNumber forkno;
@@ -935,11 +935,11 @@ XLogSaveBufferForHint(Buffer buffer, bool buffer_std)
uint16 lower = ((PageHeader) page)->pd_lower;
uint16 upper = ((PageHeader) page)->pd_upper;
- memcpy(copied_buffer, origdata, lower);
- memcpy(copied_buffer + upper, origdata + upper, BLCKSZ - upper);
+ memcpy(copied_buffer.data, origdata, lower);
+ memcpy(copied_buffer.data + upper, origdata + upper, BLCKSZ - upper);
}
else
- memcpy(copied_buffer, origdata, BLCKSZ);
+ memcpy(copied_buffer.data, origdata, BLCKSZ);
XLogBeginInsert();
@@ -948,7 +948,7 @@ XLogSaveBufferForHint(Buffer buffer, bool buffer_std)
flags |= REGBUF_STANDARD;
BufferGetTag(buffer, &rnode, &forkno, &blkno);
- XLogRegisterBlock(0, &rnode, forkno, blkno, copied_buffer, flags);
+ XLogRegisterBlock(0, &rnode, forkno, blkno, copied_buffer.data, flags);
recptr = XLogInsert(RM_XLOG_ID, XLOG_FPI_FOR_HINT);
}
diff --git a/src/backend/access/transam/xlogreader.c b/src/backend/access/transam/xlogreader.c
index 4c633c6c498..0768ca78226 100644
--- a/src/backend/access/transam/xlogreader.c
+++ b/src/backend/access/transam/xlogreader.c
@@ -1412,7 +1412,7 @@ RestoreBlockImage(XLogReaderState *record, uint8 block_id, char *page)
{
DecodedBkpBlock *bkpb;
char *ptr;
- char tmp[BLCKSZ];
+ PGAlignedBlock tmp;
if (!record->blocks[block_id].in_use)
return false;
@@ -1425,7 +1425,7 @@ RestoreBlockImage(XLogReaderState *record, uint8 block_id, char *page)
if (bkpb->bimg_info & BKPIMAGE_IS_COMPRESSED)
{
/* If a backup block image is compressed, decompress it */
- if (pglz_decompress(ptr, bkpb->bimg_len, tmp,
+ if (pglz_decompress(ptr, bkpb->bimg_len, tmp.data,
BLCKSZ - bkpb->hole_length) < 0)
{
report_invalid_record(record, "invalid compressed image at %X/%X, block %d",
@@ -1434,7 +1434,7 @@ RestoreBlockImage(XLogReaderState *record, uint8 block_id, char *page)
block_id);
return false;
}
- ptr = tmp;
+ ptr = tmp.data;
}
/* generate page, taking into account hole if necessary */
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 55eb6747ea9..c979f70397d 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -11246,21 +11246,14 @@ static void
copy_relation_data(SMgrRelation src, SMgrRelation dst,
ForkNumber forkNum, char relpersistence)
{
- char *buf;
+ PGAlignedBlock buf;
Page page;
bool use_wal;
bool copying_initfork;
BlockNumber nblocks;
BlockNumber blkno;
- /*
- * palloc the buffer so that it's MAXALIGN'd. If it were just a local
- * char[] array, the compiler might align it on any byte boundary, which
- * can seriously hurt transfer speed to and from the kernel; not to
- * mention possibly making log_newpage's accesses to the page header fail.
- */
- buf = (char *) palloc(BLCKSZ);
- page = (Page) buf;
+ page = (Page) buf.data;
/*
* The init fork for an unlogged relation in many respects has to be
@@ -11284,7 +11277,7 @@ copy_relation_data(SMgrRelation src, SMgrRelation dst,
/* If we got a cancel signal during the copy of the data, quit */
CHECK_FOR_INTERRUPTS();
- smgrread(src, forkNum, blkno, buf);
+ smgrread(src, forkNum, blkno, buf.data);
if (!PageIsVerified(page, blkno))
ereport(ERROR,
@@ -11310,11 +11303,9 @@ copy_relation_data(SMgrRelation src, SMgrRelation dst,
* rel, because there's no need for smgr to schedule an fsync for this
* write; we'll do it ourselves below.
*/
- smgrextend(dst, forkNum, blkno, buf, true);
+ smgrextend(dst, forkNum, blkno, buf.data, true);
}
- pfree(buf);
-
/*
* If the rel is WAL-logged, must fsync before commit. We use heap_sync
* to ensure that the toast table gets fsync'd too. (For a temp or
diff --git a/src/backend/replication/walsender.c b/src/backend/replication/walsender.c
index 6699c397222..9c349108678 100644
--- a/src/backend/replication/walsender.c
+++ b/src/backend/replication/walsender.c
@@ -498,18 +498,18 @@ SendTimeLineHistory(TimeLineHistoryCmd *cmd)
bytesleft = histfilelen;
while (bytesleft > 0)
{
- char rbuf[BLCKSZ];
+ PGAlignedBlock rbuf;
int nread;
pgstat_report_wait_start(WAIT_EVENT_WALSENDER_TIMELINE_HISTORY_READ);
- nread = read(fd, rbuf, sizeof(rbuf));
+ nread = read(fd, rbuf.data, sizeof(rbuf));
pgstat_report_wait_end();
if (nread <= 0)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read file \"%s\": %m",
path)));
- pq_sendbytes(&buf, rbuf, nread);
+ pq_sendbytes(&buf, rbuf.data, nread);
bytesleft -= nread;
}
CloseTransientFile(fd);
diff --git a/src/backend/storage/file/buffile.c b/src/backend/storage/file/buffile.c
index efbede76297..e93813d9737 100644
--- a/src/backend/storage/file/buffile.c
+++ b/src/backend/storage/file/buffile.c
@@ -96,7 +96,7 @@ struct BufFile
off_t curOffset; /* offset part of current pos */
int pos; /* next read/write position in buffer */
int nbytes; /* total # of valid bytes in buffer */
- char buffer[BLCKSZ];
+ PGAlignedBlock buffer;
};
static BufFile *makeBufFileCommon(int nfiles);
@@ -437,7 +437,7 @@ BufFileLoadBuffer(BufFile *file)
* Read whatever we can get, up to a full bufferload.
*/
file->nbytes = FileRead(thisfile,
- file->buffer,
+ file->buffer.data,
sizeof(file->buffer),
WAIT_EVENT_BUFFILE_READ);
if (file->nbytes < 0)
@@ -502,7 +502,7 @@ BufFileDumpBuffer(BufFile *file)
file->offsets[file->curFile] = file->curOffset;
}
bytestowrite = FileWrite(thisfile,
- file->buffer + wpos,
+ file->buffer.data + wpos,
bytestowrite,
WAIT_EVENT_BUFFILE_WRITE);
if (bytestowrite <= 0)
@@ -572,7 +572,7 @@ BufFileRead(BufFile *file, void *ptr, size_t size)
nthistime = size;
Assert(nthistime > 0);
- memcpy(ptr, file->buffer + file->pos, nthistime);
+ memcpy(ptr, file->buffer.data + file->pos, nthistime);
file->pos += nthistime;
ptr = (void *) ((char *) ptr + nthistime);
@@ -621,7 +621,7 @@ BufFileWrite(BufFile *file, void *ptr, size_t size)
nthistime = size;
Assert(nthistime > 0);
- memcpy(file->buffer + file->pos, ptr, nthistime);
+ memcpy(file->buffer.data + file->pos, ptr, nthistime);
file->dirty = true;
file->pos += nthistime;
diff --git a/src/backend/storage/freespace/freespace.c b/src/backend/storage/freespace/freespace.c
index 8d0ee7fc937..7c4ad1c4494 100644
--- a/src/backend/storage/freespace/freespace.c
+++ b/src/backend/storage/freespace/freespace.c
@@ -615,10 +615,9 @@ static void
fsm_extend(Relation rel, BlockNumber fsm_nblocks)
{
BlockNumber fsm_nblocks_now;
- Page pg;
+ PGAlignedBlock pg;
- pg = (Page) palloc(BLCKSZ);
- PageInit(pg, BLCKSZ, 0);
+ PageInit((Page) pg.data, BLCKSZ, 0);
/*
* We use the relation extension lock to lock out other backends trying to
@@ -648,10 +647,10 @@ fsm_extend(Relation rel, BlockNumber fsm_nblocks)
while (fsm_nblocks_now < fsm_nblocks)
{
- PageSetChecksumInplace(pg, fsm_nblocks_now);
+ PageSetChecksumInplace((Page) pg.data, fsm_nblocks_now);
smgrextend(rel->rd_smgr, FSM_FORKNUM, fsm_nblocks_now,
- (char *) pg, false);
+ pg.data, false);
fsm_nblocks_now++;
}
@@ -659,8 +658,6 @@ fsm_extend(Relation rel, BlockNumber fsm_nblocks)
rel->rd_smgr->smgr_fsm_nblocks = fsm_nblocks_now;
UnlockRelationForExtension(rel, ExclusiveLock);
-
- pfree(pg);
}
/*
diff --git a/src/backend/utils/sort/logtape.c b/src/backend/utils/sort/logtape.c
index 62d7797e1e5..50a150b7136 100644
--- a/src/backend/utils/sort/logtape.c
+++ b/src/backend/utils/sort/logtape.c
@@ -240,11 +240,11 @@ ltsWriteBlock(LogicalTapeSet *lts, long blocknum, void *buffer)
*/
while (blocknum > lts->nBlocksWritten)
{
- char zerobuf[BLCKSZ];
+ PGAlignedBlock zerobuf;
- MemSet(zerobuf, 0, sizeof(zerobuf));
+ MemSet(zerobuf.data, 0, sizeof(zerobuf));
- ltsWriteBlock(lts, lts->nBlocksWritten, zerobuf);
+ ltsWriteBlock(lts, lts->nBlocksWritten, zerobuf.data);
}
/* Write the requested block */
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-03 03:44:16 +0000