Commit c549228f authored by Yan's avatar Yan Committed by Chris Mason
Browse files

Btrfs: Properly update free space cache in __free_extent 



When pin_down_bytes decides not to pin a block because it was from the
current transaction, make sure the in memory cache of free extents is updated

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent b293f02e

fs/btrfs/extent-tree.c

+4 −2
Original line number Diff line number Diff line
@@ -714,7 +714,7 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes, 
				    root->fs_info->running_transaction->transid;

				if (btrfs_header_generation(buf) == transid) {

					free_extent_buffer(buf);

					return 0;

					return 1;

				}

			}

			free_extent_buffer(buf);
@@ -774,7 +774,9 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root 


		if (pin) {

			ret = pin_down_bytes(root, bytenr, num_bytes, 0);

			BUG_ON(ret);

			if (ret > 0)

				mark_free = 1;

			BUG_ON(ret < 0);

		}



		/* block accounting for super block */