Btrfs: show useful info in space reservation tracepoint
o For space info, the type of space info is useful for debug.
o For transaction handle, its transid is useful.
Signed-off-by: Liu Bo <liubo2009@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index 7ca46e6..b1a1c92 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -439,8 +439,7 @@
if (ret)
goto out;
trace_btrfs_space_reservation(root->fs_info, "ino_cache",
- (u64)(unsigned long)trans,
- trans->bytes_reserved, 1);
+ trans->transid, trans->bytes_reserved, 1);
again:
inode = lookup_free_ino_inode(root, path);
if (IS_ERR(inode) && (PTR_ERR(inode) != -ENOENT || retry)) {
@@ -507,8 +506,7 @@
iput(inode);
out_release:
trace_btrfs_space_reservation(root->fs_info, "ino_cache",
- (u64)(unsigned long)trans,
- trans->bytes_reserved, 0);
+ trans->transid, trans->bytes_reserved, 0);
btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved);
out:
trans->block_rsv = rsv;