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#undef TRACE_SYSTEM#define TRACE_SYSTEM filemap #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)#define _TRACE_FILEMAP_H #include <linux/types.h>#include <linux/tracepoint.h>#include <linux/mm.h>#include <linux/memcontrol.h>#include <linux/device.h>#include <linux/kdev_t.h>#include <linux/errseq.h> DECLARE_EVENT_CLASS(mm_filemap_op_page_cache, 	TP_PROTO(struct page *page), 	TP_ARGS(page), 	TP_STRUCT__entry(		__field(unsigned long, pfn)		__field(unsigned long, i_ino)		__field(unsigned long, index)		__field(dev_t, s_dev)	), 	TP_fast_assign(		__entry->pfn = page_to_pfn(page);		__entry->i_ino = page->mapping->host->i_ino;		__entry->index = page->index;		if (page->mapping->host->i_sb)			__entry->s_dev = page->mapping->host->i_sb->s_dev;		else			__entry->s_dev = page->mapping->host->i_rdev;	), 	TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",		MAJOR(__entry->s_dev), MINOR(__entry->s_dev),		__entry->i_ino,		pfn_to_page(__entry->pfn),		__entry->pfn,		__entry->index << PAGE_SHIFT)); DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,	TP_PROTO(struct page *page),	TP_ARGS(page)	); DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,	TP_PROTO(struct page *page),	TP_ARGS(page)	); TRACE_EVENT(filemap_set_wb_err,		TP_PROTO(struct address_space *mapping, errseq_t eseq), 		TP_ARGS(mapping, eseq), 		TP_STRUCT__entry(			__field(unsigned long, i_ino)			__field(dev_t, s_dev)			__field(errseq_t, errseq)		), 		TP_fast_assign(			__entry->i_ino = mapping->host->i_ino;			__entry->errseq = eseq;			if (mapping->host->i_sb)				__entry->s_dev = mapping->host->i_sb->s_dev;			else				__entry->s_dev = mapping->host->i_rdev;		), 		TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",			MAJOR(__entry->s_dev), MINOR(__entry->s_dev),			__entry->i_ino, __entry->errseq)); TRACE_EVENT(file_check_and_advance_wb_err,		TP_PROTO(struct file *file, errseq_t old), 		TP_ARGS(file, old), 		TP_STRUCT__entry(			__field(struct file *, file);			__field(unsigned long, i_ino)			__field(dev_t, s_dev)			__field(errseq_t, old)			__field(errseq_t, new)		), 		TP_fast_assign(			__entry->file = file;			__entry->i_ino = file->f_mapping->host->i_ino;			if (file->f_mapping->host->i_sb)				__entry->s_dev =					file->f_mapping->host->i_sb->s_dev;			else				__entry->s_dev =					file->f_mapping->host->i_rdev;			__entry->old = old;			__entry->new = file->f_wb_err;		), 		TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",			__entry->file, MAJOR(__entry->s_dev),			MINOR(__entry->s_dev), __entry->i_ino, __entry->old,			__entry->new));#endif /* _TRACE_FILEMAP_H */ /* This part must be outside protection */#include <trace/define_trace.h>