1 files changed, 82 insertions, 0 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index c9a341e385a3..748ff7cbe555 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -9,6 +9,7 @@
 
 struct ext4_allocation_context;
 struct ext4_allocation_request;
+struct ext4_extent;
 struct ext4_prealloc_space;
 struct ext4_inode_info;
 struct mpage_da_data;
@@ -1394,6 +1395,87 @@ DEFINE_EVENT(ext4__truncate, ext4_truncate_exit,
         TP_ARGS(inode)
 );
 
+/* 'ux' is the uninitialized extent. */
+TRACE_EVENT(ext4_ext_convert_to_initialized_enter,
+        TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
+                 struct ext4_extent *ux),
+
+        TP_ARGS(inode, map, ux),
+
+        TP_STRUCT__entry(
+                __field(        ino_t,          ino     )
+                __field(        dev_t,          dev     )
+                __field(        ext4_lblk_t,    m_lblk  )
+                __field(        unsigned,       m_len   )
+                __field(        ext4_lblk_t,    u_lblk  )
+                __field(        unsigned,       u_len   )
+                __field(        ext4_fsblk_t,   u_pblk  )
+        ),
+
+        TP_fast_assign(
+                __entry->ino            = inode->i_ino;
+                __entry->dev            = inode->i_sb->s_dev;
+                __entry->m_lblk         = map->m_lblk;
+                __entry->m_len          = map->m_len;
+                __entry->u_lblk         = le32_to_cpu(ux->ee_block);
+                __entry->u_len          = ext4_ext_get_actual_len(ux);
+                __entry->u_pblk         = ext4_ext_pblock(ux);
+        ),
+
+        TP_printk("dev %d,%d ino %lu m_lblk %u m_len %u u_lblk %u u_len %u "
+                  "u_pblk %llu",
+                  MAJOR(__entry->dev), MINOR(__entry->dev),
+                  (unsigned long) __entry->ino,
+                  __entry->m_lblk, __entry->m_len,
+                  __entry->u_lblk, __entry->u_len, __entry->u_pblk)
+);
+
+/*
+ * 'ux' is the uninitialized extent.
+ * 'ix' is the initialized extent to which blocks are transferred.
+ */
+TRACE_EVENT(ext4_ext_convert_to_initialized_fastpath,
+        TP_PROTO(struct inode *inode, struct ext4_map_blocks *map,
+                 struct ext4_extent *ux, struct ext4_extent *ix),
+
+        TP_ARGS(inode, map, ux, ix),
+
+        TP_STRUCT__entry(
+                __field(        ino_t,          ino     )
+                __field(        dev_t,          dev     )
+                __field(        ext4_lblk_t,    m_lblk  )
+                __field(        unsigned,       m_len   )
+                __field(        ext4_lblk_t,    u_lblk  )
+                __field(        unsigned,       u_len   )
+                __field(        ext4_fsblk_t,   u_pblk  )
+                __field(        ext4_lblk_t,    i_lblk  )
+                __field(        unsigned,       i_len   )
+                __field(        ext4_fsblk_t,   i_pblk  )
+        ),
+
+        TP_fast_assign(
+                __entry->ino            = inode->i_ino;
+                __entry->dev            = inode->i_sb->s_dev;
+                __entry->m_lblk         = map->m_lblk;
+                __entry->m_len          = map->m_len;
+                __entry->u_lblk         = le32_to_cpu(ux->ee_block);
+                __entry->u_len          = ext4_ext_get_actual_len(ux);
+                __entry->u_pblk         = ext4_ext_pblock(ux);
+                __entry->i_lblk         = le32_to_cpu(ix->ee_block);
+                __entry->i_len          = ext4_ext_get_actual_len(ix);
+                __entry->i_pblk         = ext4_ext_pblock(ix);
+        ),
+
+        TP_printk("dev %d,%d ino %lu m_lblk %u m_len %u "
+                  "u_lblk %u u_len %u u_pblk %llu "
+                  "i_lblk %u i_len %u i_pblk %llu ",
+                  MAJOR(__entry->dev), MINOR(__entry->dev),
+                  (unsigned long) __entry->ino,
+                  __entry->m_lblk, __entry->m_len,
+                  __entry->u_lblk, __entry->u_len, __entry->u_pblk,
+                  __entry->i_lblk, __entry->i_len, __entry->i_pblk)
+);
+
 DECLARE_EVENT_CLASS(ext4__map_blocks_enter,
         TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
                  unsigned int len, unsigned int flags),