1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM filemap
5 #if !defined(_TRACE_FILEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_FILEMAP_H
8 #include <linux/types.h>
9 #include <linux/tracepoint.h>
11 #include <linux/memcontrol.h>
12 #include <linux/device.h>
13 #include <linux/kdev_t.h>
14 #include <linux/errseq.h>
16 DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
18 TP_PROTO(struct page *page),
23 __field(unsigned long, pfn)
24 __field(unsigned long, i_ino)
25 __field(unsigned long, index)
30 __entry->pfn = page_to_pfn(page);
31 __entry->i_ino = page->mapping->host->i_ino;
32 __entry->index = page->index;
33 if (page->mapping->host->i_sb)
34 __entry->s_dev = page->mapping->host->i_sb->s_dev;
36 __entry->s_dev = page->mapping->host->i_rdev;
39 TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",
40 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
42 pfn_to_page(__entry->pfn),
44 __entry->index << PAGE_SHIFT)
47 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
48 TP_PROTO(struct page *page),
52 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
53 TP_PROTO(struct page *page),
57 TRACE_EVENT(filemap_set_wb_err,
58 TP_PROTO(struct address_space *mapping, errseq_t eseq),
60 TP_ARGS(mapping, eseq),
63 __field(unsigned long, i_ino)
65 __field(errseq_t, errseq)
69 __entry->i_ino = mapping->host->i_ino;
70 __entry->errseq = eseq;
71 if (mapping->host->i_sb)
72 __entry->s_dev = mapping->host->i_sb->s_dev;
74 __entry->s_dev = mapping->host->i_rdev;
77 TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",
78 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
79 __entry->i_ino, __entry->errseq)
82 TRACE_EVENT(file_check_and_advance_wb_err,
83 TP_PROTO(struct file *file, errseq_t old),
88 __field(struct file *, file);
89 __field(unsigned long, i_ino)
91 __field(errseq_t, old)
92 __field(errseq_t, new)
97 __entry->i_ino = file->f_mapping->host->i_ino;
98 if (file->f_mapping->host->i_sb)
100 file->f_mapping->host->i_sb->s_dev;
103 file->f_mapping->host->i_rdev;
105 __entry->new = file->f_wb_err;
108 TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",
109 __entry->file, MAJOR(__entry->s_dev),
110 MINOR(__entry->s_dev), __entry->i_ino, __entry->old,
113 #endif /* _TRACE_FILEMAP_H */
115 /* This part must be outside protection */
116 #include <trace/define_trace.h>