[PATCH 2/6] xfs: move xfs_iext_insert tracepoint to report useful information

Darrick J. Wong
2017-12-11T02:16:29Z

From: Darrick J. Wong <darrick.wong@oracle.com>

Move the tracepoint in xfs_iext_insert to after the point where we've
inserted the extent because otherwise we report stale extent data in
the ftrace output.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
fs/xfs/libxfs/xfs_iext_tree.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_iext_tree.c b/fs/xfs/libxfs/xfs_iext_tree.c
index 89bf16b..b0f3179 100644
--- a/fs/xfs/libxfs/xfs_iext_tree.c
+++ b/fs/xfs/libxfs/xfs_iext_tree.c
@@ -632,8 +632,6 @@ xfs_iext_insert(
struct xfs_iext_leaf *new = NULL;
int nr_entries, i;

- trace_xfs_iext_insert(ip, cur, state, _RET_IP_);
-
if (ifp->if_height == 0)
xfs_iext_alloc_root(ifp, cur);
else if (ifp->if_height == 1)
@@ -661,6 +659,8 @@ xfs_iext_insert(
xfs_iext_set(cur_rec(cur), irec);
ifp->if_bytes += sizeof(struct xfs_iext_rec);

+ trace_xfs_iext_insert(ip, cur, state, _RET_IP_);
+
if (new)
xfs_iext_insert_node(ifp, xfs_iext_leaf_key(new, 0), new, 2);
}