Hello,
When 'pin_down_bytes' decides against pinning a extent,
'__free_extent' should update the free space cache by itself.
Regards
YZ
---
diff -r bc6bfcf7a158 extent-tree.c
--- a/extent-tree.c Tue Oct 30 16:56:53 2007 -0400
+++ b/extent-tree.c Fri Nov 02 15:04:33 2007 +0800
@@ -715,7 +715,7 @@ static int pin_down_bytes(struct btrfs_r
root->fs_info->running_transaction->transid;
if (btrfs_header_generation(buf) == transid) {
free_extent_buffer(buf);
- return 0;
+ return 1;
}
}
free_extent_buffer(buf);
@@ -775,7 +775,12 @@ static int __free_extent(struct btrfs_tr
if (pin) {
ret = pin_down_bytes(root, bytenr, num_bytes, 0);
- BUG_ON(ret);
+ if (ret > 0) {
+ set_extent_dirty(&info->free_space_cache,
+ bytenr, bytenr + num_bytes - 1,
+ GFP_NOFS);
+ }
+ BUG_ON(ret < 0);
}
/* block accounting for super block */
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