Commit c2257d9f authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Carlos Maiolino
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xfs: add a separate tracepoint for stealing an open zone for GC 



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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: default avatarDamien Le Moal <dlemoal@kernel.org>
Reviewed-by: default avatarCarlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: default avatarCarlos Maiolino <cem@kernel.org>
parent e771da07

fs/xfs/xfs_trace.h

+1 −0
Original line number Diff line number Diff line
@@ -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,

fs/xfs/xfs_zone_gc.c

+1 −1
Original line number Diff line number Diff line
@@ -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--;