From c83ae9cad8776bab153a05cc466be39f14011091 Mon Sep 17 00:00:00 2001 From: Steven Whitehouse Date: Mon, 18 Apr 2011 14:18:38 +0100 Subject: GFS2: Add an AIL writeback tracepoint Add a tracepoint for monitoring writeback of the AIL. Signed-off-by: Steven Whitehouse --- fs/gfs2/log.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/gfs2/log.c') diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 03e00417061b..ad1f1887633f 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -144,6 +144,7 @@ void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc) struct list_head *head = &sdp->sd_ail1_list; struct gfs2_ail *ai; + trace_gfs2_ail_flush(sdp, wbc, 1); spin_lock(&sdp->sd_ail_lock); list_for_each_entry_reverse(ai, head, ai_list) { if (wbc->nr_to_write <= 0) @@ -151,6 +152,7 @@ void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc) gfs2_ail1_start_one(sdp, wbc, ai); /* This may drop ail lock */ } spin_unlock(&sdp->sd_ail_lock); + trace_gfs2_ail_flush(sdp, wbc, 0); } /** -- cgit v1.2.3