xfs: add AIL pushing tracepoints
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Alex Elder <aelder@sgi.com>
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 4e3f9bb..ed9252b 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -26,6 +26,7 @@
#include "xfs_ag.h"
#include "xfs_mount.h"
#include "xfs_trans_priv.h"
+#include "xfs_trace.h"
#include "xfs_error.h"
#ifdef DEBUG
@@ -425,14 +426,18 @@
switch (lock_result) {
case XFS_ITEM_SUCCESS:
XFS_STATS_INC(xs_push_ail_success);
+ trace_xfs_ail_push(lip);
+
IOP_PUSH(lip);
ailp->xa_last_pushed_lsn = lsn;
break;
case XFS_ITEM_PUSHBUF:
XFS_STATS_INC(xs_push_ail_pushbuf);
+ trace_xfs_ail_pushbuf(lip);
if (!IOP_PUSHBUF(lip)) {
+ trace_xfs_ail_pushbuf_pinned(lip);
stuck++;
ailp->xa_log_flush++;
} else {
@@ -443,12 +448,15 @@
case XFS_ITEM_PINNED:
XFS_STATS_INC(xs_push_ail_pinned);
+ trace_xfs_ail_pinned(lip);
+
stuck++;
ailp->xa_log_flush++;
break;
case XFS_ITEM_LOCKED:
XFS_STATS_INC(xs_push_ail_locked);
+ trace_xfs_ail_locked(lip);
stuck++;
break;