cfs: wider writeback on gc

Sokolov Yura · Sokolov Yura · commit 8d4046d562ee · 2017-06-24T00:07:08.000+03:00
diff --git a/src/backend/storage/file/cfs.c b/src/backend/storage/file/cfs.c
@@ -923,7 +923,7 @@ static bool cfs_gc_file(char* map_path, GC_CALL_KIND background)
 
 				/* xfs doesn't like if writeback performed closer than 128k to
 				 * file end */
-				if (writeback + 2*128*1024 < newSize)
+				if (writeback + 16*1024*1024 < newSize)
 				{
 					uint32 newwb = (newSize - 128*1024) & ~(128*1024-1);
 					pg_flush_data(fd2, writeback, newwb - writeback);

Original file line number	Diff line number	Diff line change
`@@ -923,7 +923,7 @@ static bool cfs_gc_file(char* map_path, GC_CALL_KIND background)`
`923`	`923`
`924`	`924`	`/* xfs doesn't like if writeback performed closer than 128k to`
`925`	`925`	`* file end */`
`926`		`- if (writeback + 21281024 < newSize)`
	`926`	`+ if (writeback + 1610241024 < newSize)`
`927`	`927`	`{`
`928`	`928`	`uint32 newwb = (newSize - 1281024) & ~(1281024-1);`
`929`	`929`	`pg_flush_data(fd2, writeback, newwb - writeback);`