ext4: update ext4_ext_remove_space trace point

Add "end" variable.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

fs/ext4/extents.c

@@ -2663,7 +2663,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
 		return PTR_ERR(handle);
 
 again:
-	trace_ext4_ext_remove_space(inode, start, depth);
+	trace_ext4_ext_remove_space(inode, start, end, depth);
 
 	/*
 	 * Check if we are removing extents inside the extent tree. If that
@@ -2831,8 +2831,8 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
 		}
 	}
 
-	trace_ext4_ext_remove_space_done(inode, start, depth, partial_cluster,
-			path->p_hdr->eh_entries);
+	trace_ext4_ext_remove_space_done(inode, start, end, depth,
+			partial_cluster, path->p_hdr->eh_entries);
 
 	/* If we still have something in the partial cluster and we have removed
 	 * even the first extent, then we should free the blocks in the partial

include/trace/events/ext4.h

@@ -2027,14 +2027,16 @@ TRACE_EVENT(ext4_ext_rm_idx,
 );
 
 TRACE_EVENT(ext4_ext_remove_space,
-	TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth),
+	TP_PROTO(struct inode *inode, ext4_lblk_t start,
+		 ext4_lblk_t end, int depth),
 
-	TP_ARGS(inode, start, depth),
+	TP_ARGS(inode, start, end, depth),
 
 	TP_STRUCT__entry(
 		__field(	dev_t,		dev	)
 		__field(	ino_t,		ino	)
 		__field(	ext4_lblk_t,	start	)
+		__field(	ext4_lblk_t,	end	)
 		__field(	int,		depth	)
 	),
 
@@ -2042,26 +2044,29 @@ TRACE_EVENT(ext4_ext_remove_space,
 		__entry->dev	= inode->i_sb->s_dev;
 		__entry->ino	= inode->i_ino;
 		__entry->start	= start;
+		__entry->end	= end;
 		__entry->depth	= depth;
 	),
 
-	TP_printk("dev %d,%d ino %lu since %u depth %d",
+	TP_printk("dev %d,%d ino %lu since %u end %u depth %d",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  (unsigned long) __entry->ino,
 		  (unsigned) __entry->start,
+		  (unsigned) __entry->end,
 		  __entry->depth)
 );
 
 TRACE_EVENT(ext4_ext_remove_space_done,
-	TP_PROTO(struct inode *inode, ext4_lblk_t start, int depth,
-		ext4_lblk_t partial, __le16 eh_entries),
+	TP_PROTO(struct inode *inode, ext4_lblk_t start, ext4_lblk_t end,
+		 int depth, ext4_lblk_t partial, __le16 eh_entries),
 
-	TP_ARGS(inode, start, depth, partial, eh_entries),
+	TP_ARGS(inode, start, end, depth, partial, eh_entries),
 
 	TP_STRUCT__entry(
 		__field(	dev_t,		dev		)
 		__field(	ino_t,		ino		)
 		__field(	ext4_lblk_t,	start		)
+		__field(	ext4_lblk_t,	end		)
 		__field(	int,		depth		)
 		__field(	ext4_lblk_t,	partial		)
 		__field(	unsigned short,	eh_entries	)
@@ -2071,16 +2076,18 @@ TRACE_EVENT(ext4_ext_remove_space_done,
 		__entry->dev		= inode->i_sb->s_dev;
 		__entry->ino		= inode->i_ino;
 		__entry->start		= start;
+		__entry->end		= end;
 		__entry->depth		= depth;
 		__entry->partial	= partial;
 		__entry->eh_entries	= le16_to_cpu(eh_entries);
 	),
 
-	TP_printk("dev %d,%d ino %lu since %u depth %d partial %u "
+	TP_printk("dev %d,%d ino %lu since %u end %u depth %d partial %u "
 		  "remaining_entries %u",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  (unsigned long) __entry->ino,
 		  (unsigned) __entry->start,
+		  (unsigned) __entry->end,
 		  __entry->depth,
 		  (unsigned) __entry->partial,
 		  (unsigned short) __entry->eh_entries)