xfs: fix mismerged tracepoints

At some point in between sending this patch to the list and merging it
into for-next, the tracepoints got all mixed up because I've
over-reliant on automated tools not sucking.  The end result is that the
tracepoints are all wrong, so fix them.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

fs/xfs/libxfs/xfs_alloc.c

@@ -3413,7 +3413,7 @@ xfs_alloc_vextent_start_ag(
 	args->agno = NULLAGNUMBER;
 	args->agbno = NULLAGBLOCK;
 
-	trace_xfs_alloc_vextent_first_ag(args);
+	trace_xfs_alloc_vextent_start_ag(args);
 
 	error = xfs_alloc_vextent_check_args(args, target, &minimum_agno);
 	if (error) {
@@ -3466,7 +3466,7 @@ xfs_alloc_vextent_first_ag(
 	args->agno = NULLAGNUMBER;
 	args->agbno = NULLAGBLOCK;
 
-	trace_xfs_alloc_vextent_start_ag(args);
+	trace_xfs_alloc_vextent_first_ag(args);
 
 	error = xfs_alloc_vextent_check_args(args, target, &minimum_agno);
 	if (error) {
@@ -3500,7 +3500,7 @@ xfs_alloc_vextent_exact_bno(
 	args->agno = XFS_FSB_TO_AGNO(mp, target);
 	args->agbno = XFS_FSB_TO_AGBNO(mp, target);
 
-	trace_xfs_alloc_vextent_near_bno(args);
+	trace_xfs_alloc_vextent_exact_bno(args);
 
 	error = xfs_alloc_vextent_check_args(args, target, &minimum_agno);
 	if (error) {
@@ -3538,7 +3538,7 @@ xfs_alloc_vextent_near_bno(
 	args->agno = XFS_FSB_TO_AGNO(mp, target);
 	args->agbno = XFS_FSB_TO_AGBNO(mp, target);
 
-	trace_xfs_alloc_vextent_exact_bno(args);
+	trace_xfs_alloc_vextent_near_bno(args);
 
 	error = xfs_alloc_vextent_check_args(args, target, &minimum_agno);
 	if (error) {