ext4: Add new tracepoint: trace_ext4_da_write_pages()

[linux-block.git] / include / trace / events / ext4.h

diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 15051d2d1219887486350330e3985272a4ad1a10..dd43399288eae56d993883b897236e8f9d6e254b 100644 (file)
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -251,6 +251,40 @@ TRACE_EVENT(ext4_da_writepages,
                  __entry->range_cyclic)
 );
 
+TRACE_EVENT(ext4_da_write_pages,
+       TP_PROTO(struct inode *inode, struct mpage_da_data *mpd),
+
+       TP_ARGS(inode, mpd),
+
+       TP_STRUCT__entry(
+               __field(        dev_t,  dev                     )
+               __field(        ino_t,  ino                     )
+               __field(        __u64,  b_blocknr               )
+               __field(        __u32,  b_size                  )
+               __field(        __u32,  b_state                 )
+               __field(        unsigned long,  first_page      )
+               __field(        int,    io_done                 )
+               __field(        int,    pages_written           )
+       ),
+
+       TP_fast_assign(
+               __entry->dev            = inode->i_sb->s_dev;
+               __entry->ino            = inode->i_ino;
+               __entry->b_blocknr      = mpd->b_blocknr;
+               __entry->b_size         = mpd->b_size;
+               __entry->b_state        = mpd->b_state;
+               __entry->first_page     = mpd->first_page;
+               __entry->io_done        = mpd->io_done;
+               __entry->pages_written  = mpd->pages_written;
+       ),
+
+       TP_printk("dev %s ino %lu b_blocknr %llu b_size %u b_state 0x%04x first_page %lu io_done %d pages_written %d",
+                 jbd2_dev_to_name(__entry->dev), __entry->ino,
+                 __entry->b_blocknr, __entry->b_size,
+                 __entry->b_state, __entry->first_page,
+                 __entry->io_done, __entry->pages_written)
+);
+
 TRACE_EVENT(ext4_da_writepages_result,
        TP_PROTO(struct inode *inode, struct writeback_control *wbc,
                        int ret, int pages_written),