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 folio *folio),
23 __field(unsigned long, pfn)
24 __field(unsigned long, i_ino)
25 __field(unsigned long, index)
27 __field(unsigned char, order)
31 __entry->pfn = folio_pfn(folio);
32 __entry->i_ino = folio->mapping->host->i_ino;
33 __entry->index = folio->index;
34 if (folio->mapping->host->i_sb)
35 __entry->s_dev = folio->mapping->host->i_sb->s_dev;
37 __entry->s_dev = folio->mapping->host->i_rdev;
38 __entry->order = folio_order(folio);
41 TP_printk("dev %d:%d ino %lx pfn=0x%lx ofs=%lu order=%u",
42 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
45 __entry->index << PAGE_SHIFT,
49 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
50 TP_PROTO(struct folio *folio),
54 DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_add_to_page_cache,
55 TP_PROTO(struct folio *folio),
59 TRACE_EVENT(filemap_set_wb_err,
60 TP_PROTO(struct address_space *mapping, errseq_t eseq),
62 TP_ARGS(mapping, eseq),
65 __field(unsigned long, i_ino)
67 __field(errseq_t, errseq)
71 __entry->i_ino = mapping->host->i_ino;
72 __entry->errseq = eseq;
73 if (mapping->host->i_sb)
74 __entry->s_dev = mapping->host->i_sb->s_dev;
76 __entry->s_dev = mapping->host->i_rdev;
79 TP_printk("dev=%d:%d ino=0x%lx errseq=0x%x",
80 MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
81 __entry->i_ino, __entry->errseq)
84 TRACE_EVENT(file_check_and_advance_wb_err,
85 TP_PROTO(struct file *file, errseq_t old),
90 __field(struct file *, file)
91 __field(unsigned long, i_ino)
93 __field(errseq_t, old)
94 __field(errseq_t, new)
99 __entry->i_ino = file->f_mapping->host->i_ino;
100 if (file->f_mapping->host->i_sb)
102 file->f_mapping->host->i_sb->s_dev;
105 file->f_mapping->host->i_rdev;
107 __entry->new = file->f_wb_err;
110 TP_printk("file=%p dev=%d:%d ino=0x%lx old=0x%x new=0x%x",
111 __entry->file, MAJOR(__entry->s_dev),
112 MINOR(__entry->s_dev), __entry->i_ino, __entry->old,
115 #endif /* _TRACE_FILEMAP_H */
117 /* This part must be outside protection */
118 #include <trace/define_trace.h>