+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
+
+LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
+ TP_PROTO(struct page *page, struct address_space *mapping),
+ TP_ARGS(page, mapping),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(pgoff_t, index)
+ ),
+ TP_fast_assign(
+ tp_memcpy(name,
+ mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32)
+ tp_assign(ino, mapping ? mapping->host->i_ino : 0)
+ tp_assign(index, page->index)
+ ),
+ TP_printk("bdi %s: ino=%lu index=%lu",
+ __entry->name,
+ __entry->ino,
+ __entry->index
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
+ TP_PROTO(struct inode *inode, int flags),
+ TP_ARGS(inode, flags),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(unsigned long, state)
+ __field(unsigned long, flags)
+ ),
+ TP_fast_assign(
+ /* may be called for files on pseudo FSes w/ unregistered bdi */
+ tp_memcpy(name,
+ inode_to_bdi(inode)->dev ?
+ dev_name(inode_to_bdi(inode)->dev) : "(unknown)", 32)
+ tp_assign(ino, inode->i_ino)
+ tp_assign(state, inode->i_state)
+ tp_assign(flags, flags)
+ ),
+ TP_printk("bdi %s: ino=%lu flags=%s",
+ __entry->name,
+ __entry->ino,
+ show_inode_state(__entry->flags)
+ )
+)
+#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
+LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
+ TP_PROTO(struct inode *inode, int flags), \
+ TP_ARGS(inode, flags))
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+ TP_ARGS(inode, wbc),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(int, sync_mode)
+ ),
+ TP_fast_assign(
+ tp_memcpy(name,
+ dev_name(inode_to_bdi(inode)->dev), 32)
+ tp_assign(ino, inode->i_ino)
+ tp_assign(sync_mode, wbc->sync_mode)
+ ),
+ TP_printk("bdi %s: ino=%lu sync_mode=%d",
+ __entry->name,
+ __entry->ino,
+ __entry->sync_mode
+ )
+)
+
+#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
+LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
+ TP_ARGS(inode, wbc))
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
+
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
+
+LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
+ TP_PROTO(struct page *page, struct address_space *mapping),
+ TP_ARGS(page, mapping),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(pgoff_t, index)
+ ),
+ TP_fast_assign(
+ tp_memcpy(name,
+ mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32)
+ tp_assign(ino, mapping ? mapping->host->i_ino : 0)
+ tp_assign(index, page->index)
+ ),
+ TP_printk("bdi %s: ino=%lu index=%lu",
+ __entry->name,
+ __entry->ino,
+ __entry->index
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
+ TP_PROTO(struct inode *inode, int flags),
+ TP_ARGS(inode, flags),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(unsigned long, flags)
+ ),
+ TP_fast_assign(
+ /* may be called for files on pseudo FSes w/ unregistered bdi */
+ tp_memcpy(name,
+ inode->i_mapping->backing_dev_info->dev ?
+ dev_name(inode->i_mapping->backing_dev_info->dev) : "(unknown)", 32)
+ tp_assign(ino, inode->i_ino)
+ tp_assign(flags, flags)
+ ),
+ TP_printk("bdi %s: ino=%lu flags=%s",
+ __entry->name,
+ __entry->ino,
+ show_inode_state(__entry->flags)
+ )
+)
+#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
+LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
+ TP_PROTO(struct inode *inode, int flags), \
+ TP_ARGS(inode, flags))
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
+
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc),
+ TP_ARGS(inode, wbc),
+ TP_STRUCT__entry (
+ __array_text(char, name, 32)
+ __field(unsigned long, ino)
+ __field(int, sync_mode)
+ ),
+ TP_fast_assign(
+ tp_memcpy(name,
+ dev_name(inode->i_mapping->backing_dev_info->dev), 32)
+ tp_assign(ino, inode->i_ino)
+ tp_assign(sync_mode, wbc->sync_mode)
+ ),
+ TP_printk("bdi %s: ino=%lu sync_mode=%d",
+ __entry->name,
+ __entry->ino,
+ __entry->sync_mode
+ )
+)
+
+#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
+LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
+ TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
+ TP_ARGS(inode, wbc))
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
+LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
+
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0)) */
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,0,0))
+
+LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,