From 8c2a3ca20f6233677ac3222c6506174010eb414f Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Tue, 10 Jan 2012 10:31:31 -0500 Subject: Btrfs: space leak tracepoints This in addition to a script in my btrfs-tracing tree will help track down space leaks when we're getting space left over in block groups on umount. Thanks, Signed-off-by: Josef Bacik --- fs/btrfs/inode-map.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs/btrfs/inode-map.c') diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index f8962a957d65..213ffa86ce1b 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -438,6 +438,8 @@ int btrfs_save_ino_cache(struct btrfs_root *root, trans->bytes_reserved); if (ret) goto out; + trace_btrfs_space_reservation(root->fs_info, "ino_cache", (u64)trans, + trans->bytes_reserved, 1); again: inode = lookup_free_ino_inode(root, path); if (IS_ERR(inode) && PTR_ERR(inode) != -ENOENT) { @@ -498,6 +500,8 @@ again: out_put: iput(inode); out_release: + trace_btrfs_space_reservation(root->fs_info, "ino_cache", (u64)trans, + trans->bytes_reserved, 0); btrfs_block_rsv_release(root, trans->block_rsv, trans->bytes_reserved); out: trans->block_rsv = rsv; -- cgit v1.2.3