ext4: print map->m_flags in trace_ext4_ext/ind_map_blocks_exit

When we use trace_ext4_ext/ind_map_blocks_exit, print the value of
map->m_flags in order that we can understand the extent's current
status.

Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 13 insertions, 14 deletions

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 25914e3002c7..d2a125a6db8b 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -1519,10 +1519,9 @@ DEFINE_EVENT(ext4__map_blocks_enter, ext4_ind_map_blocks_enter,
 );
 
 DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
-        TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
-                 ext4_fsblk_t pblk, unsigned int len, int ret),
+        TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
 
-        TP_ARGS(inode, lblk, pblk, len, ret),
+        TP_ARGS(inode, map, ret),
 
         TP_STRUCT__entry(
                 __field(        dev_t,          dev             )
@@ -1530,37 +1529,37 @@ DECLARE_EVENT_CLASS(ext4__map_blocks_exit,
                 __field(        ext4_fsblk_t,   pblk            )
                 __field(        ext4_lblk_t,    lblk            )
                 __field(        unsigned int,   len             )
+                __field(        unsigned int,   flags           )
                 __field(        int,            ret             )
         ),
 
         TP_fast_assign(
                 __entry->dev    = inode->i_sb->s_dev;
                 __entry->ino    = inode->i_ino;
-                __entry->pblk   = pblk;
-                __entry->lblk   = lblk;
-                __entry->len    = len;
+                __entry->pblk   = map->m_pblk;
+                __entry->lblk   = map->m_lblk;
+                __entry->len    = map->m_len;
+                __entry->flags  = map->m_flags;
                 __entry->ret    = ret;
         ),
 
-        TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u ret %d",
+        TP_printk("dev %d,%d ino %lu lblk %u pblk %llu len %u flags %x ret %d",
                   MAJOR(__entry->dev), MINOR(__entry->dev),
                   (unsigned long) __entry->ino,
                   __entry->lblk, __entry->pblk,
-                  __entry->len, __entry->ret)
+                  __entry->len, __entry->flags, __entry->ret)
 );
 
 DEFINE_EVENT(ext4__map_blocks_exit, ext4_ext_map_blocks_exit,
-        TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
-                 ext4_fsblk_t pblk, unsigned len, int ret),
+        TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
 
-        TP_ARGS(inode, lblk, pblk, len, ret)
+        TP_ARGS(inode, map, ret)
 );
 
 DEFINE_EVENT(ext4__map_blocks_exit, ext4_ind_map_blocks_exit,
-        TP_PROTO(struct inode *inode, ext4_lblk_t lblk,
-                 ext4_fsblk_t pblk, unsigned len, int ret),
+        TP_PROTO(struct inode *inode, struct ext4_map_blocks *map, int ret),
 
-        TP_ARGS(inode, lblk, pblk, len, ret)
+        TP_ARGS(inode, map, ret)
 );
 
 TRACE_EVENT(ext4_ext_load_extent,