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| author | Liu Bo <bo.li.liu@oracle.com> | 2013-07-16 11:03:36 (GMT) |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2013-09-01 11:57:39 (GMT) |
| commit | 599c75ec3f7f3b606e8a0a684c00f12190712de8 (patch) | |
| tree | 3c7b7d82354eef5f507d8b85efda81fd50c514cf /fs/btrfs/extent-tree.c | |
| parent | 1095cc0d924e1c61fb34e0bfcec049d1fbcca77c (diff) | |
| download | linux-fsl-qoriq-599c75ec3f7f3b606e8a0a684c00f12190712de8.tar.xz | |
Btrfs/tracepoint: update delayed ref tracepoints
This shows exactly how btrfs processes the delayed refs onto disks,
which is very helpful on understanding delayed ref mechanism and
debugging related bugs.
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index a770a63..ca02d3c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2035,6 +2035,8 @@ static int run_delayed_data_ref(struct btrfs_trans_handle *trans, ins.type = BTRFS_EXTENT_ITEM_KEY; ref = btrfs_delayed_node_to_data_ref(node); + trace_run_delayed_data_ref(node, ref, node->action); + if (node->type == BTRFS_SHARED_DATA_REF_KEY) parent = ref->parent; else @@ -2178,6 +2180,8 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, SKINNY_METADATA); ref = btrfs_delayed_node_to_tree_ref(node); + trace_run_delayed_tree_ref(node, ref, node->action); + if (node->type == BTRFS_SHARED_BLOCK_REF_KEY) parent = ref->parent; else @@ -2236,6 +2240,8 @@ static int run_one_delayed_ref(struct btrfs_trans_handle *trans, */ BUG_ON(extent_op); head = btrfs_delayed_node_to_head(node); + trace_run_delayed_ref_head(node, head, node->action); + if (insert_reserved) { btrfs_pin_extent(root, node->bytenr, node->num_bytes, 1); |