Undo wrong change in commit 212e8dc

knizhnik · knizhnik · commit e2eba00b854f · 2018-12-30T19:28:28.000+03:00
diff --git a/src/backend/storage/file/fd.c b/src/backend/storage/file/fd.c
@@ -2391,14 +2391,9 @@ FileSeek(File file, off_t offset, int whence)
 
 				for (i = RELSEG_SIZE; --i != 0;)
 				{
-					if (vfdP->snap_map->offs[i] != 0)
-					{
-						if (i*BLCKSZ >= vfdP->seekPos)
-						{
-							vfdP->seekPos = i*BLCKSZ;
-						}
-						break;
-					}
+					sfs_segment_offs_t offs = vfdP->snap_map->offs[i];
+					if (offs >= vfdP->seekPos)
+						vfdP->seekPos = offs +  BLCKSZ - 1;
 				}
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -2391,14 +2391,9 @@ FileSeek(File file, off_t offset, int whence)`
`2391`	`2391`
`2392`	`2392`	`for (i = RELSEG_SIZE; --i != 0;)`
`2393`	`2393`	`{`
`2394`		`- if (vfdP->snap_map->offs[i] != 0)`
`2395`		`- {`
`2396`		`- if (i*BLCKSZ >= vfdP->seekPos)`
`2397`		`- {`
`2398`		`- vfdP->seekPos = i*BLCKSZ;`
`2399`		`- }`
`2400`		`- break;`
`2401`		`- }`
	`2394`	`+ sfs_segment_offs_t offs = vfdP->snap_map->offs[i];`
	`2395`	`+ if (offs >= vfdP->seekPos)`
	`2396`	`+ vfdP->seekPos = offs + BLCKSZ - 1;`
`2402`	`2397`	`}`
`2403`	`2398`	`}`
`2404`	`2399`	`}`