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xfs: add a separate tracepoint for stealing an open zone for GC

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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>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
This commit is contained in:
Christoph Hellwig
2026-03-31 17:27:24 +02:00
committed by Carlos Maiolino
parent e771da0727
commit c2257d9f63
2 changed files with 2 additions and 1 deletions
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1
fs/xfs/xfs_trace.h
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@@ -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,

2
fs/xfs/xfs_zone_gc.c
View File

@@ -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--;