[PATCH 2/9] xfs: add a separate tracepoint for stealing an open zone for GC

[Christoph Hellwig <hch@lst.de>]

The case where we have to reuse an already open zone warrants a different
trace point vs the normal opening of a GC zone.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
---
 fs/xfs/xfs_trace.h   | 1 +
 fs/xfs/xfs_zone_gc.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index c5ad26a1d7bb..1c098cfc5c00 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -394,6 +394,7 @@ DEFINE_ZONE_EVENT(xfs_zone_full);
 DEFINE_ZONE_EVENT(xfs_zone_opened);
 DEFINE_ZONE_EVENT(xfs_zone_reset);
 DEFINE_ZONE_EVENT(xfs_zone_gc_target_opened);
+DEFINE_ZONE_EVENT(xfs_zone_gc_target_stolen);
 
 TRACE_EVENT(xfs_zone_free_blocks,
 	TP_PROTO(struct xfs_rtgroup *rtg, xfs_rgblock_t rgbno,
diff --git a/fs/xfs/xfs_zone_gc.c b/fs/xfs/xfs_zone_gc.c
index 00a996c13d8a..0c1e22409ef1 100644
--- a/fs/xfs/xfs_zone_gc.c
+++ b/fs/xfs/xfs_zone_gc.c
@@ -543,7 +543,7 @@ xfs_zone_gc_steal_open(
 		return -EIO;
 	}
 
-	trace_xfs_zone_gc_target_opened(found->oz_rtg);
+	trace_xfs_zone_gc_target_stolen(found->oz_rtg);
 	found->oz_is_gc = true;
 	list_del_init(&found->oz_entry);
 	zi->zi_nr_open_zones--;
-- 
2.47.3