Btrfs: Fine tune the btree writeback exclusion some more

Signed-off-by: Chris Mason <chris.mason@oracle.com>
2007-11-27 07:52:01 -08:00
parent 8790bad7fb
commit 448d640b66
2 changed files with 6 additions and 1 deletions
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -214,6 +214,10 @@ static int btree_writepages(struct address_space *mapping,
 		u64 num_dirty;
 		u64 start = 0;
 		unsigned long thresh = 96 * 1024 * 1024;
+
+		if (wbc->for_kupdate)
+			return 0;
+
 		num_dirty = count_range_bits(tree, &start, thresh, EXTENT_DIRTY);
 		if (num_dirty < thresh) {
 			return 0;