cfs: fix cfs_gc_lock

Sokolov Yura · Sokolov Yura · commit 9b7049cb6200 · 2017-06-26T15:08:33.000+03:00
diff --git a/src/backend/storage/file/cfs.c b/src/backend/storage/file/cfs.c
@@ -631,7 +631,7 @@ cfs_gc_lock(pg_atomic_uint32* lock)
 	uint32 count = pg_atomic_fetch_add_u32(lock, CFS_GC_LOCK);
 	long delay = CFS_LOCK_MIN_TIMEOUT;
 
-	while ((count & (CFS_GC_LOCK-1)) != 1)
+	while ((count & (CFS_GC_LOCK-1)) != 0)
 	{
 		pg_usleep(delay);
 		count = pg_atomic_read_u32(lock);

Original file line number	Diff line number	Diff line change
`@@ -631,7 +631,7 @@ cfs_gc_lock(pg_atomic_uint32* lock)`
`631`	`631`	`uint32 count = pg_atomic_fetch_add_u32(lock, CFS_GC_LOCK);`
`632`	`632`	`long delay = CFS_LOCK_MIN_TIMEOUT;`
`633`	`633`
`634`		`- while ((count & (CFS_GC_LOCK-1)) != 1)`
	`634`	`+ while ((count & (CFS_GC_LOCK-1)) != 0)`
`635`	`635`	`{`
`636`	`636`	`pg_usleep(delay);`
`637`	`637`	`count = pg_atomic_read_u32(lock);`