xfs: convert extent busy tracepoints to the generic group structure

Prepare for tracking busy RT extents by passing the generic group
structure to the xfs_extent_busy_class tracepoints.

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/xfs_extent_busy.c

@@ -41,7 +41,7 @@ xfs_extent_busy_insert_list(
 	new->flags = flags;
 
 	/* trace before insert to be able to see failed inserts */
-	trace_xfs_extent_busy(pag, bno, len);
+	trace_xfs_extent_busy(pag_group(pag), bno, len);
 
 	spin_lock(&pag->pagb_lock);
 	rbp = &pag->pagb_tree.rb_node;
@@ -278,13 +278,13 @@ xfs_extent_busy_update_extent(
 		ASSERT(0);
 	}
 
-	trace_xfs_extent_busy_reuse(pag, fbno, flen);
+	trace_xfs_extent_busy_reuse(pag_group(pag), fbno, flen);
 	return true;
 
 out_force_log:
 	spin_unlock(&pag->pagb_lock);
 	xfs_log_force(pag_mount(pag), XFS_LOG_SYNC);
-	trace_xfs_extent_busy_force(pag, fbno, flen);
+	trace_xfs_extent_busy_force(pag_group(pag), fbno, flen);
 	spin_lock(&pag->pagb_lock);
 	return false;
 }
@@ -496,7 +496,8 @@ xfs_extent_busy_trim(
 out:
 
 	if (fbno != *bno || flen != *len) {
-		trace_xfs_extent_busy_trim(args->pag, *bno, *len, fbno, flen);
+		trace_xfs_extent_busy_trim(pag_group(args->pag), *bno, *len,
+					   fbno, flen);
 		*bno = fbno;
 		*len = flen;
 		*busy_gen = args->pag->pagb_gen;
@@ -525,7 +526,8 @@ xfs_extent_busy_clear_one(
 			busyp->flags = XFS_EXTENT_BUSY_DISCARDED;
 			return false;
 		}
-		trace_xfs_extent_busy_clear(pag, busyp->bno, busyp->length);
+		trace_xfs_extent_busy_clear(pag_group(pag), busyp->bno,
+				busyp->length);
 		rb_erase(&busyp->rb_node, &pag->pagb_tree);
 	}
 

fs/xfs/xfs_trace.h

@@ -1673,60 +1673,68 @@ TRACE_EVENT(xfs_bunmap,
 );
 
 DECLARE_EVENT_CLASS(xfs_extent_busy_class,
-	TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno,
+	TP_PROTO(const struct xfs_group *xg, xfs_agblock_t agbno,
 		 xfs_extlen_t len),
-	TP_ARGS(pag, agbno, len),
+	TP_ARGS(xg, agbno, len),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
+		__field(enum xfs_group_type, type)
 		__field(xfs_agnumber_t, agno)
 		__field(xfs_agblock_t, agbno)
 		__field(xfs_extlen_t, len)
 	),
 	TP_fast_assign(
-		__entry->dev = pag_mount(pag)->m_super->s_dev;
-		__entry->agno = pag_agno(pag);
+		__entry->dev = xg->xg_mount->m_super->s_dev;
+		__entry->type = xg->xg_type;
+		__entry->agno = xg->xg_gno;
 		__entry->agbno = agbno;
 		__entry->len = len;
 	),
-	TP_printk("dev %d:%d agno 0x%x agbno 0x%x fsbcount 0x%x",
+	TP_printk("dev %d:%d %sno 0x%x %sbno 0x%x fsbcount 0x%x",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __print_symbolic(__entry->type, XG_TYPE_STRINGS),
 		  __entry->agno,
+		  __print_symbolic(__entry->type, XG_TYPE_STRINGS),
 		  __entry->agbno,
 		  __entry->len)
 );
 #define DEFINE_BUSY_EVENT(name) \
 DEFINE_EVENT(xfs_extent_busy_class, name, \
-	TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno, \
-			xfs_extlen_t len), \
-	TP_ARGS(pag, agbno, len))
+	TP_PROTO(const struct xfs_group *xg, xfs_agblock_t agbno, \
+		 xfs_extlen_t len), \
+	TP_ARGS(xg, agbno, len))
 DEFINE_BUSY_EVENT(xfs_extent_busy);
 DEFINE_BUSY_EVENT(xfs_extent_busy_force);
 DEFINE_BUSY_EVENT(xfs_extent_busy_reuse);
 DEFINE_BUSY_EVENT(xfs_extent_busy_clear);
 
 TRACE_EVENT(xfs_extent_busy_trim,
-	TP_PROTO(const struct xfs_perag *pag, xfs_agblock_t agbno,
+	TP_PROTO(const struct xfs_group *xg, xfs_agblock_t agbno,
 		 xfs_extlen_t len, xfs_agblock_t tbno, xfs_extlen_t tlen),
-	TP_ARGS(pag, agbno, len, tbno, tlen),
+	TP_ARGS(xg, agbno, len, tbno, tlen),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
+		__field(enum xfs_group_type, type)
 		__field(xfs_agnumber_t, agno)
 		__field(xfs_agblock_t, agbno)
 		__field(xfs_extlen_t, len)
 		__field(xfs_agblock_t, tbno)
 		__field(xfs_extlen_t, tlen)
 	),
 	TP_fast_assign(
-		__entry->dev = pag_mount(pag)->m_super->s_dev;
-		__entry->agno = pag_agno(pag);
+		__entry->dev = xg->xg_mount->m_super->s_dev;
+		__entry->type = xg->xg_type;
+		__entry->agno = xg->xg_gno;
 		__entry->agbno = agbno;
 		__entry->len = len;
 		__entry->tbno = tbno;
 		__entry->tlen = tlen;
 	),
-	TP_printk("dev %d:%d agno 0x%x agbno 0x%x fsbcount 0x%x found_agbno 0x%x found_fsbcount 0x%x",
+	TP_printk("dev %d:%d %sno 0x%x %sbno 0x%x fsbcount 0x%x found_agbno 0x%x found_fsbcount 0x%x",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
+		  __print_symbolic(__entry->type, XG_TYPE_STRINGS),
 		  __entry->agno,
+		  __print_symbolic(__entry->type, XG_TYPE_STRINGS),
 		  __entry->agbno,
 		  __entry->len,
 		  __entry->tbno,