xfs: pass objects to the xrep_ibt_walk_rmap tracepoint

Pass the perag structure and the irec so that the decoding is only done
when tracing is actually enabled and the call sites look a lot neater,
and remove the pointless class indirection.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>

Author: Christoph Hellwig

fs/xfs/scrub/ialloc_repair.c

@@ -421,9 +421,7 @@ xrep_ibt_record_inode_blocks(
 	if (error)
 		return error;
 
-	trace_xrep_ibt_walk_rmap(mp, ri->sc->sa.pag->pag_agno,
-			rec->rm_startblock, rec->rm_blockcount, rec->rm_owner,
-			rec->rm_offset, rec->rm_flags);
+	trace_xrep_ibt_walk_rmap(ri->sc->sa.pag, rec);
 
 	/*
 	 * Record the free/hole masks for each inode cluster that could be

fs/xfs/scrub/trace.h

@@ -1984,11 +1984,9 @@ DEFINE_EVENT(xrep_reap_find_class, name, \
 DEFINE_REPAIR_REAP_FIND_EVENT(xreap_agextent_select);
 DEFINE_REPAIR_REAP_FIND_EVENT(xreap_bmapi_select);
 
-DECLARE_EVENT_CLASS(xrep_rmap_class,
-	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,
-		 xfs_agblock_t agbno, xfs_extlen_t len,
-		 uint64_t owner, uint64_t offset, unsigned int flags),
-	TP_ARGS(mp, agno, agbno, len, owner, offset, flags),
+TRACE_EVENT(xrep_ibt_walk_rmap,
+	TP_PROTO(const struct xfs_perag *pag, const struct xfs_rmap_irec *rec),
+	TP_ARGS(pag, rec),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
 		__field(xfs_agnumber_t, agno)
@@ -1999,13 +1997,13 @@ DECLARE_EVENT_CLASS(xrep_rmap_class,
 		__field(unsigned int, flags)
 	),
 	TP_fast_assign(
-		__entry->dev = mp->m_super->s_dev;
-		__entry->agno = agno;
-		__entry->agbno = agbno;
-		__entry->len = len;
-		__entry->owner = owner;
-		__entry->offset = offset;
-		__entry->flags = flags;
+		__entry->dev = pag->pag_mount->m_super->s_dev;
+		__entry->agno = pag->pag_agno;
+		__entry->agbno = rec->rm_startblock;
+		__entry->len = rec->rm_blockcount;
+		__entry->owner = rec->rm_owner;
+		__entry->offset = rec->rm_offset;
+		__entry->flags = rec->rm_flags;
 	),
 	TP_printk("dev %d:%d agno 0x%x agbno 0x%x fsbcount 0x%x owner 0x%llx fileoff 0x%llx flags 0x%x",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -2016,13 +2014,6 @@ DECLARE_EVENT_CLASS(xrep_rmap_class,
 		  __entry->offset,
 		  __entry->flags)
 );
-#define DEFINE_REPAIR_RMAP_EVENT(name) \
-DEFINE_EVENT(xrep_rmap_class, name, \
-	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno, \
-		 xfs_agblock_t agbno, xfs_extlen_t len, \
-		 uint64_t owner, uint64_t offset, unsigned int flags), \
-	TP_ARGS(mp, agno, agbno, len, owner, offset, flags))
-DEFINE_REPAIR_RMAP_EVENT(xrep_ibt_walk_rmap);
 
 TRACE_EVENT(xrep_abt_found,
 	TP_PROTO(struct xfs_mount *mp, xfs_agnumber_t agno,