fs/nfs/nfstrace.h - LeafOS-Devices/android_kernel_samsung_universal7904 - Gitiles

 /*
  * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
  */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM nfs

 #if !defined(_TRACE_NFS_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_NFS_H

 #include <linux/tracepoint.h>

 #define nfs_show_file_type(ftype) \
 	__print_symbolic(ftype, \
 			{ DT_UNKNOWN, "UNKNOWN" }, \
 			{ DT_FIFO, "FIFO" }, \
 			{ DT_CHR, "CHR" }, \
 			{ DT_DIR, "DIR" }, \
 			{ DT_BLK, "BLK" }, \
 			{ DT_REG, "REG" }, \
 			{ DT_LNK, "LNK" }, \
 			{ DT_SOCK, "SOCK" }, \
 			{ DT_WHT, "WHT" })

 #define nfs_show_cache_validity(v) \
 	__print_flags(v, "|", \
 			{ NFS_INO_INVALID_ATTR, "INVALID_ATTR" }, \
 			{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
 			{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
 			{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
 			{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
 			{ NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
 			{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
 			{ NFS_INO_INVALID_LABEL, "INVALID_LABEL" })

 #define nfs_show_nfsi_flags(v) \
 	__print_flags(v, "|", \
 			{ 1 << NFS_INO_ADVISE_RDPLUS, "ADVISE_RDPLUS" }, \
 			{ 1 << NFS_INO_STALE, "STALE" }, \
 			{ 1 << NFS_INO_FLUSHING, "FLUSHING" }, \
 			{ 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
 			{ 1 << NFS_INO_COMMIT, "COMMIT" }, \
 			{ 1 << NFS_INO_LAYOUTCOMMIT, "NEED_LAYOUTCOMMIT" }, \
 			{ 1 << NFS_INO_LAYOUTCOMMITTING, "LAYOUTCOMMIT" })

 DECLARE_EVENT_CLASS(nfs_inode_event,
 		TP_PROTO(
 			const struct inode *inode
 		),

 		TP_ARGS(inode),

 		TP_STRUCT__entry(
 			__field(dev_t, dev)
 			__field(u32, fhandle)
 			__field(u64, fileid)
 			__field(u64, version)
 		),

 		TP_fast_assign(
 			const struct nfs_inode *nfsi = NFS_I(inode);
 			__entry->dev = inode->i_sb->s_dev;
 			__entry->fileid = nfsi->fileid;
 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
 			__entry->version = inode->i_version;
 		),

 		TP_printk(
 			"fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ",
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->fileid,
 			__entry->fhandle,
 			(unsigned long long)__entry->version
 		)
 );

 DECLARE_EVENT_CLASS(nfs_inode_event_done,
 		TP_PROTO(
 			const struct inode *inode,
 			int error
 		),

 		TP_ARGS(inode, error),

 		TP_STRUCT__entry(
 			__field(int, error)
 			__field(dev_t, dev)
 			__field(u32, fhandle)
 			__field(unsigned char, type)
 			__field(u64, fileid)
 			__field(u64, version)
 			__field(loff_t, size)
 			__field(unsigned long, nfsi_flags)
 			__field(unsigned long, cache_validity)
 		),

 		TP_fast_assign(
 			const struct nfs_inode *nfsi = NFS_I(inode);
 			__entry->error = error;
 			__entry->dev = inode->i_sb->s_dev;
 			__entry->fileid = nfsi->fileid;
 			__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
 			__entry->type = nfs_umode_to_dtype(inode->i_mode);
 			__entry->version = inode->i_version;
 			__entry->size = i_size_read(inode);
 			__entry->nfsi_flags = nfsi->flags;
 			__entry->cache_validity = nfsi->cache_validity;
 		),

 		TP_printk(
 			"error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
 			"type=%u (%s) version=%llu size=%lld "
 			"cache_validity=%lu (%s) nfs_flags=%ld (%s)",
 			__entry->error,
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->fileid,
 			__entry->fhandle,
 			__entry->type,
 			nfs_show_file_type(__entry->type),
 			(unsigned long long)__entry->version,
 			(long long)__entry->size,
 			__entry->cache_validity,
 			nfs_show_cache_validity(__entry->cache_validity),
 			__entry->nfsi_flags,
 			nfs_show_nfsi_flags(__entry->nfsi_flags)
 		)
 );

 #define DEFINE_NFS_INODE_EVENT(name) \
 	DEFINE_EVENT(nfs_inode_event, name, \
 			TP_PROTO( \
 				const struct inode *inode \
 			), \
 			TP_ARGS(inode))
 #define DEFINE_NFS_INODE_EVENT_DONE(name) \
 	DEFINE_EVENT(nfs_inode_event_done, name, \
 			TP_PROTO( \
 				const struct inode *inode, \
 				int error \
 			), \
 			TP_ARGS(inode, error))
 DEFINE_NFS_INODE_EVENT(nfs_refresh_inode_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_refresh_inode_exit);
 DEFINE_NFS_INODE_EVENT(nfs_revalidate_inode_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_revalidate_inode_exit);
 DEFINE_NFS_INODE_EVENT(nfs_invalidate_mapping_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_invalidate_mapping_exit);
 DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
 DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
 DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
 DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
 DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
 DEFINE_NFS_INODE_EVENT(nfs_access_enter);
 DEFINE_NFS_INODE_EVENT_DONE(nfs_access_exit);

 #define show_lookup_flags(flags) \
 	__print_flags((unsigned long)flags, "|", \
 			{ LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
 			{ LOOKUP_DIRECTORY, "DIRECTORY" }, \
 			{ LOOKUP_OPEN, "OPEN" }, \
 			{ LOOKUP_CREATE, "CREATE" }, \
 			{ LOOKUP_EXCL, "EXCL" })

 DECLARE_EVENT_CLASS(nfs_lookup_event,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry,
 			unsigned int flags
 		),

 		TP_ARGS(dir, dentry, flags),

 		TP_STRUCT__entry(
 			__field(unsigned int, flags)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->flags = flags;
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"flags=%u (%s) name=%02x:%02x:%llu/%s",
 			__entry->flags,
 			show_lookup_flags(__entry->flags),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 #define DEFINE_NFS_LOOKUP_EVENT(name) \
 	DEFINE_EVENT(nfs_lookup_event, name, \
 			TP_PROTO( \
 				const struct inode *dir, \
 				const struct dentry *dentry, \
 				unsigned int flags \
 			), \
 			TP_ARGS(dir, dentry, flags))

 DECLARE_EVENT_CLASS(nfs_lookup_event_done,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry,
 			unsigned int flags,
 			int error
 		),

 		TP_ARGS(dir, dentry, flags, error),

 		TP_STRUCT__entry(
 			__field(int, error)
 			__field(unsigned int, flags)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->error = error;
 			__entry->flags = flags;
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
 			__entry->error,
 			__entry->flags,
 			show_lookup_flags(__entry->flags),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 #define DEFINE_NFS_LOOKUP_EVENT_DONE(name) \
 	DEFINE_EVENT(nfs_lookup_event_done, name, \
 			TP_PROTO( \
 				const struct inode *dir, \
 				const struct dentry *dentry, \
 				unsigned int flags, \
 				int error \
 			), \
 			TP_ARGS(dir, dentry, flags, error))

 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
 DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
 DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);

 #define show_open_flags(flags) \
 	__print_flags((unsigned long)flags, "|", \
 		{ O_CREAT, "O_CREAT" }, \
 		{ O_EXCL, "O_EXCL" }, \
 		{ O_TRUNC, "O_TRUNC" }, \
 		{ O_APPEND, "O_APPEND" }, \
 		{ O_DSYNC, "O_DSYNC" }, \
 		{ O_DIRECT, "O_DIRECT" }, \
 		{ O_DIRECTORY, "O_DIRECTORY" })

 #define show_fmode_flags(mode) \
 	__print_flags(mode, "|", \
 		{ ((__force unsigned long)FMODE_READ), "READ" }, \
 		{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
 		{ ((__force unsigned long)FMODE_EXEC), "EXEC" })

 TRACE_EVENT(nfs_atomic_open_enter,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct nfs_open_context *ctx,
 			unsigned int flags
 		),

 		TP_ARGS(dir, ctx, flags),

 		TP_STRUCT__entry(
 			__field(unsigned int, flags)
 			__field(unsigned int, fmode)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, ctx->dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->flags = flags;
 			__entry->fmode = (__force unsigned int)ctx->mode;
 			__assign_str(name, ctx->dentry->d_name.name);
 		),

 		TP_printk(
 			"flags=%u (%s) fmode=%s name=%02x:%02x:%llu/%s",
 			__entry->flags,
 			show_open_flags(__entry->flags),
 			show_fmode_flags(__entry->fmode),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 TRACE_EVENT(nfs_atomic_open_exit,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct nfs_open_context *ctx,
 			unsigned int flags,
 			int error
 		),

 		TP_ARGS(dir, ctx, flags, error),

 		TP_STRUCT__entry(
 			__field(int, error)
 			__field(unsigned int, flags)
 			__field(unsigned int, fmode)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, ctx->dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->error = error;
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->flags = flags;
 			__entry->fmode = (__force unsigned int)ctx->mode;
 			__assign_str(name, ctx->dentry->d_name.name);
 		),

 		TP_printk(
 			"error=%d flags=%u (%s) fmode=%s "
 			"name=%02x:%02x:%llu/%s",
 			__entry->error,
 			__entry->flags,
 			show_open_flags(__entry->flags),
 			show_fmode_flags(__entry->fmode),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 TRACE_EVENT(nfs_create_enter,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry,
 			unsigned int flags
 		),

 		TP_ARGS(dir, dentry, flags),

 		TP_STRUCT__entry(
 			__field(unsigned int, flags)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->flags = flags;
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"flags=%u (%s) name=%02x:%02x:%llu/%s",
 			__entry->flags,
 			show_open_flags(__entry->flags),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 TRACE_EVENT(nfs_create_exit,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry,
 			unsigned int flags,
 			int error
 		),

 		TP_ARGS(dir, dentry, flags, error),

 		TP_STRUCT__entry(
 			__field(int, error)
 			__field(unsigned int, flags)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->error = error;
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->flags = flags;
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
 			__entry->error,
 			__entry->flags,
 			show_open_flags(__entry->flags),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 DECLARE_EVENT_CLASS(nfs_directory_event,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry
 		),

 		TP_ARGS(dir, dentry),

 		TP_STRUCT__entry(
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"name=%02x:%02x:%llu/%s",
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 #define DEFINE_NFS_DIRECTORY_EVENT(name) \
 	DEFINE_EVENT(nfs_directory_event, name, \
 			TP_PROTO( \
 				const struct inode *dir, \
 				const struct dentry *dentry \
 			), \
 			TP_ARGS(dir, dentry))

 DECLARE_EVENT_CLASS(nfs_directory_event_done,
 		TP_PROTO(
 			const struct inode *dir,
 			const struct dentry *dentry,
 			int error
 		),

 		TP_ARGS(dir, dentry, error),

 		TP_STRUCT__entry(
 			__field(int, error)
 			__field(dev_t, dev)
 			__field(u64, dir)
 			__string(name, dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->error = error;
 			__assign_str(name, dentry->d_name.name);
 		),

 		TP_printk(
 			"error=%d name=%02x:%02x:%llu/%s",
 			__entry->error,
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );

 #define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
 	DEFINE_EVENT(nfs_directory_event_done, name, \
 			TP_PROTO( \
 				const struct inode *dir, \
 				const struct dentry *dentry, \
 				int error \
 			), \
 			TP_ARGS(dir, dentry, error))

 DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
 DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
 DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
 DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
 DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
 DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
 DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);

 DECLARE_EVENT_CLASS(nfs_rename_event,
 		TP_PROTO(
 			const struct inode *old_dir,
 			const struct dentry *old_dentry,
 			const struct inode *new_dir,
 			const struct dentry *new_dentry
 		),

 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry),

 		TP_STRUCT__entry(
 			__field(dev_t, dev)
 			__field(u64, old_dir)
 			__field(u64, new_dir)
 			__string(old_name, old_dentry->d_name.name)
 			__string(new_name, new_dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = old_dir->i_sb->s_dev;
 			__entry->old_dir = NFS_FILEID(old_dir);
 			__entry->new_dir = NFS_FILEID(new_dir);
 			__assign_str(old_name, old_dentry->d_name.name);
 			__assign_str(new_name, new_dentry->d_name.name);
 		),

 		TP_printk(
 			"old_name=%02x:%02x:%llu/%s new_name=%02x:%02x:%llu/%s",
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->old_dir,
 			__get_str(old_name),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->new_dir,
 			__get_str(new_name)
 		)
 );
 #define DEFINE_NFS_RENAME_EVENT(name) \
 	DEFINE_EVENT(nfs_rename_event, name, \
 			TP_PROTO( \
 				const struct inode *old_dir, \
 				const struct dentry *old_dentry, \
 				const struct inode *new_dir, \
 				const struct dentry *new_dentry \
 			), \
 			TP_ARGS(old_dir, old_dentry, new_dir, new_dentry))

 DECLARE_EVENT_CLASS(nfs_rename_event_done,
 		TP_PROTO(
 			const struct inode *old_dir,
 			const struct dentry *old_dentry,
 			const struct inode *new_dir,
 			const struct dentry *new_dentry,
 			int error
 		),

 		TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, error),

 		TP_STRUCT__entry(
 			__field(dev_t, dev)
 			__field(int, error)
 			__field(u64, old_dir)
 			__string(old_name, old_dentry->d_name.name)
 			__field(u64, new_dir)
 			__string(new_name, new_dentry->d_name.name)
 		),

 		TP_fast_assign(
 			__entry->dev = old_dir->i_sb->s_dev;
 			__entry->old_dir = NFS_FILEID(old_dir);
 			__entry->new_dir = NFS_FILEID(new_dir);
 			__entry->error = error;
 			__assign_str(old_name, old_dentry->d_name.name);
 			__assign_str(new_name, new_dentry->d_name.name);
 		),

 		TP_printk(
 			"error=%d old_name=%02x:%02x:%llu/%s "
 			"new_name=%02x:%02x:%llu/%s",
 			__entry->error,
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->old_dir,
 			__get_str(old_name),
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->new_dir,
 			__get_str(new_name)
 		)
 );
 #define DEFINE_NFS_RENAME_EVENT_DONE(name) \
 	DEFINE_EVENT(nfs_rename_event_done, name, \
 			TP_PROTO( \
 				const struct inode *old_dir, \
 				const struct dentry *old_dentry, \
 				const struct inode *new_dir, \
 				const struct dentry *new_dentry, \
 				int error \
 			), \
 			TP_ARGS(old_dir, old_dentry, new_dir, \
 				new_dentry, error))

 DEFINE_NFS_RENAME_EVENT(nfs_rename_enter);
 DEFINE_NFS_RENAME_EVENT_DONE(nfs_rename_exit);

 DEFINE_NFS_RENAME_EVENT_DONE(nfs_sillyrename_rename);

 TRACE_EVENT(nfs_sillyrename_unlink,
 		TP_PROTO(
 			const struct nfs_unlinkdata *data,
 			int error
 		),

 		TP_ARGS(data, error),

 		TP_STRUCT__entry(
 			__field(dev_t, dev)
 			__field(int, error)
 			__field(u64, dir)
 			__dynamic_array(char, name, data->args.name.len + 1)
 		),

 		TP_fast_assign(
 			struct inode *dir = data->dir;
 			size_t len = data->args.name.len;
 			__entry->dev = dir->i_sb->s_dev;
 			__entry->dir = NFS_FILEID(dir);
 			__entry->error = error;
 			memcpy(__get_dynamic_array(name),
 				data->args.name.name, len);
 			((char *)__get_dynamic_array(name))[len] = 0;
 		),

 		TP_printk(
 			"error=%d name=%02x:%02x:%llu/%s",
 			__entry->error,
 			MAJOR(__entry->dev), MINOR(__entry->dev),
 			(unsigned long long)__entry->dir,
 			__get_str(name)
 		)
 );
 #endif /* _TRACE_NFS_H */

 #undef TRACE_INCLUDE_PATH
 #define TRACE_INCLUDE_PATH .
 #define TRACE_INCLUDE_FILE nfstrace
 /* This part must be outside protection */
 #include <trace/define_trace.h>
	/*
	* Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
	*/
	#undef TRACE_SYSTEM
	#define TRACE_SYSTEM nfs

	#if !defined(_TRACE_NFS_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	#define _TRACE_NFS_H

	#include <linux/tracepoint.h>

	#define nfs_show_file_type(ftype) \
	__print_symbolic(ftype, \
	{ DT_UNKNOWN, "UNKNOWN" }, \
	{ DT_FIFO, "FIFO" }, \
	{ DT_CHR, "CHR" }, \
	{ DT_DIR, "DIR" }, \
	{ DT_BLK, "BLK" }, \
	{ DT_REG, "REG" }, \
	{ DT_LNK, "LNK" }, \
	{ DT_SOCK, "SOCK" }, \
	{ DT_WHT, "WHT" })

	#define nfs_show_cache_validity(v) \
	__print_flags(v, "\|", \
	{ NFS_INO_INVALID_ATTR, "INVALID_ATTR" }, \
	{ NFS_INO_INVALID_DATA, "INVALID_DATA" }, \
	{ NFS_INO_INVALID_ATIME, "INVALID_ATIME" }, \
	{ NFS_INO_INVALID_ACCESS, "INVALID_ACCESS" }, \
	{ NFS_INO_INVALID_ACL, "INVALID_ACL" }, \
	{ NFS_INO_REVAL_PAGECACHE, "REVAL_PAGECACHE" }, \
	{ NFS_INO_REVAL_FORCED, "REVAL_FORCED" }, \
	{ NFS_INO_INVALID_LABEL, "INVALID_LABEL" })

	#define nfs_show_nfsi_flags(v) \
	__print_flags(v, "\|", \
	{ 1 << NFS_INO_ADVISE_RDPLUS, "ADVISE_RDPLUS" }, \
	{ 1 << NFS_INO_STALE, "STALE" }, \
	{ 1 << NFS_INO_FLUSHING, "FLUSHING" }, \
	{ 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
	{ 1 << NFS_INO_COMMIT, "COMMIT" }, \
	{ 1 << NFS_INO_LAYOUTCOMMIT, "NEED_LAYOUTCOMMIT" }, \
	{ 1 << NFS_INO_LAYOUTCOMMITTING, "LAYOUTCOMMIT" })

	DECLARE_EVENT_CLASS(nfs_inode_event,
	TP_PROTO(
	const struct inode *inode
	),

	TP_ARGS(inode),

	TP_STRUCT__entry(
	__field(dev_t, dev)
	__field(u32, fhandle)
	__field(u64, fileid)
	__field(u64, version)
	),

	TP_fast_assign(
	const struct nfs_inode *nfsi = NFS_I(inode);
	__entry->dev = inode->i_sb->s_dev;
	__entry->fileid = nfsi->fileid;
	__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
	__entry->version = inode->i_version;
	),

	TP_printk(
	"fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ",
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->fileid,
	__entry->fhandle,
	(unsigned long long)__entry->version
	)
	);

	DECLARE_EVENT_CLASS(nfs_inode_event_done,
	TP_PROTO(
	const struct inode *inode,
	int error
	),

	TP_ARGS(inode, error),

	TP_STRUCT__entry(
	__field(int, error)
	__field(dev_t, dev)
	__field(u32, fhandle)
	__field(unsigned char, type)
	__field(u64, fileid)
	__field(u64, version)
	__field(loff_t, size)
	__field(unsigned long, nfsi_flags)
	__field(unsigned long, cache_validity)
	),

	TP_fast_assign(
	const struct nfs_inode *nfsi = NFS_I(inode);
	__entry->error = error;
	__entry->dev = inode->i_sb->s_dev;
	__entry->fileid = nfsi->fileid;
	__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
	__entry->type = nfs_umode_to_dtype(inode->i_mode);
	__entry->version = inode->i_version;
	__entry->size = i_size_read(inode);
	__entry->nfsi_flags = nfsi->flags;
	__entry->cache_validity = nfsi->cache_validity;
	),

	TP_printk(
	"error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
	"type=%u (%s) version=%llu size=%lld "
	"cache_validity=%lu (%s) nfs_flags=%ld (%s)",
	__entry->error,
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->fileid,
	__entry->fhandle,
	__entry->type,
	nfs_show_file_type(__entry->type),
	(unsigned long long)__entry->version,
	(long long)__entry->size,
	__entry->cache_validity,
	nfs_show_cache_validity(__entry->cache_validity),
	__entry->nfsi_flags,
	nfs_show_nfsi_flags(__entry->nfsi_flags)
	)
	);

	#define DEFINE_NFS_INODE_EVENT(name) \
	DEFINE_EVENT(nfs_inode_event, name, \
	TP_PROTO( \
	const struct inode *inode \
	), \
	TP_ARGS(inode))
	#define DEFINE_NFS_INODE_EVENT_DONE(name) \
	DEFINE_EVENT(nfs_inode_event_done, name, \
	TP_PROTO( \
	const struct inode *inode, \
	int error \
	), \
	TP_ARGS(inode, error))
	DEFINE_NFS_INODE_EVENT(nfs_refresh_inode_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_refresh_inode_exit);
	DEFINE_NFS_INODE_EVENT(nfs_revalidate_inode_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_revalidate_inode_exit);
	DEFINE_NFS_INODE_EVENT(nfs_invalidate_mapping_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_invalidate_mapping_exit);
	DEFINE_NFS_INODE_EVENT(nfs_getattr_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_getattr_exit);
	DEFINE_NFS_INODE_EVENT(nfs_setattr_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_setattr_exit);
	DEFINE_NFS_INODE_EVENT(nfs_writeback_page_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_page_exit);
	DEFINE_NFS_INODE_EVENT(nfs_writeback_inode_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_writeback_inode_exit);
	DEFINE_NFS_INODE_EVENT(nfs_fsync_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_fsync_exit);
	DEFINE_NFS_INODE_EVENT(nfs_access_enter);
	DEFINE_NFS_INODE_EVENT_DONE(nfs_access_exit);

	#define show_lookup_flags(flags) \
	__print_flags((unsigned long)flags, "\|", \
	{ LOOKUP_AUTOMOUNT, "AUTOMOUNT" }, \
	{ LOOKUP_DIRECTORY, "DIRECTORY" }, \
	{ LOOKUP_OPEN, "OPEN" }, \
	{ LOOKUP_CREATE, "CREATE" }, \
	{ LOOKUP_EXCL, "EXCL" })

	DECLARE_EVENT_CLASS(nfs_lookup_event,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry,
	unsigned int flags
	),

	TP_ARGS(dir, dentry, flags),

	TP_STRUCT__entry(
	__field(unsigned int, flags)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->flags = flags;
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"flags=%u (%s) name=%02x:%02x:%llu/%s",
	__entry->flags,
	show_lookup_flags(__entry->flags),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	#define DEFINE_NFS_LOOKUP_EVENT(name) \
	DEFINE_EVENT(nfs_lookup_event, name, \
	TP_PROTO( \
	const struct inode *dir, \
	const struct dentry *dentry, \
	unsigned int flags \
	), \
	TP_ARGS(dir, dentry, flags))

	DECLARE_EVENT_CLASS(nfs_lookup_event_done,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry,
	unsigned int flags,
	int error
	),

	TP_ARGS(dir, dentry, flags, error),

	TP_STRUCT__entry(
	__field(int, error)
	__field(unsigned int, flags)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->error = error;
	__entry->flags = flags;
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
	__entry->error,
	__entry->flags,
	show_lookup_flags(__entry->flags),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	#define DEFINE_NFS_LOOKUP_EVENT_DONE(name) \
	DEFINE_EVENT(nfs_lookup_event_done, name, \
	TP_PROTO( \
	const struct inode *dir, \
	const struct dentry *dentry, \
	unsigned int flags, \
	int error \
	), \
	TP_ARGS(dir, dentry, flags, error))

	DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter);
	DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit);
	DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter);
	DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit);

	#define show_open_flags(flags) \
	__print_flags((unsigned long)flags, "\|", \
	{ O_CREAT, "O_CREAT" }, \
	{ O_EXCL, "O_EXCL" }, \
	{ O_TRUNC, "O_TRUNC" }, \
	{ O_APPEND, "O_APPEND" }, \
	{ O_DSYNC, "O_DSYNC" }, \
	{ O_DIRECT, "O_DIRECT" }, \
	{ O_DIRECTORY, "O_DIRECTORY" })

	#define show_fmode_flags(mode) \
	__print_flags(mode, "\|", \
	{ ((__force unsigned long)FMODE_READ), "READ" }, \
	{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
	{ ((__force unsigned long)FMODE_EXEC), "EXEC" })

	TRACE_EVENT(nfs_atomic_open_enter,
	TP_PROTO(
	const struct inode *dir,
	const struct nfs_open_context *ctx,
	unsigned int flags
	),

	TP_ARGS(dir, ctx, flags),

	TP_STRUCT__entry(
	__field(unsigned int, flags)
	__field(unsigned int, fmode)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, ctx->dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->flags = flags;
	__entry->fmode = (__force unsigned int)ctx->mode;
	__assign_str(name, ctx->dentry->d_name.name);
	),

	TP_printk(
	"flags=%u (%s) fmode=%s name=%02x:%02x:%llu/%s",
	__entry->flags,
	show_open_flags(__entry->flags),
	show_fmode_flags(__entry->fmode),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	TRACE_EVENT(nfs_atomic_open_exit,
	TP_PROTO(
	const struct inode *dir,
	const struct nfs_open_context *ctx,
	unsigned int flags,
	int error
	),

	TP_ARGS(dir, ctx, flags, error),

	TP_STRUCT__entry(
	__field(int, error)
	__field(unsigned int, flags)
	__field(unsigned int, fmode)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, ctx->dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->error = error;
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->flags = flags;
	__entry->fmode = (__force unsigned int)ctx->mode;
	__assign_str(name, ctx->dentry->d_name.name);
	),

	TP_printk(
	"error=%d flags=%u (%s) fmode=%s "
	"name=%02x:%02x:%llu/%s",
	__entry->error,
	__entry->flags,
	show_open_flags(__entry->flags),
	show_fmode_flags(__entry->fmode),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	TRACE_EVENT(nfs_create_enter,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry,
	unsigned int flags
	),

	TP_ARGS(dir, dentry, flags),

	TP_STRUCT__entry(
	__field(unsigned int, flags)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->flags = flags;
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"flags=%u (%s) name=%02x:%02x:%llu/%s",
	__entry->flags,
	show_open_flags(__entry->flags),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	TRACE_EVENT(nfs_create_exit,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry,
	unsigned int flags,
	int error
	),

	TP_ARGS(dir, dentry, flags, error),

	TP_STRUCT__entry(
	__field(int, error)
	__field(unsigned int, flags)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->error = error;
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->flags = flags;
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
	__entry->error,
	__entry->flags,
	show_open_flags(__entry->flags),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	DECLARE_EVENT_CLASS(nfs_directory_event,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry
	),

	TP_ARGS(dir, dentry),

	TP_STRUCT__entry(
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"name=%02x:%02x:%llu/%s",
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	#define DEFINE_NFS_DIRECTORY_EVENT(name) \
	DEFINE_EVENT(nfs_directory_event, name, \
	TP_PROTO( \
	const struct inode *dir, \
	const struct dentry *dentry \
	), \
	TP_ARGS(dir, dentry))

	DECLARE_EVENT_CLASS(nfs_directory_event_done,
	TP_PROTO(
	const struct inode *dir,
	const struct dentry *dentry,
	int error
	),

	TP_ARGS(dir, dentry, error),

	TP_STRUCT__entry(
	__field(int, error)
	__field(dev_t, dev)
	__field(u64, dir)
	__string(name, dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->error = error;
	__assign_str(name, dentry->d_name.name);
	),

	TP_printk(
	"error=%d name=%02x:%02x:%llu/%s",
	__entry->error,
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);

	#define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
	DEFINE_EVENT(nfs_directory_event_done, name, \
	TP_PROTO( \
	const struct inode *dir, \
	const struct dentry *dentry, \
	int error \
	), \
	TP_ARGS(dir, dentry, error))

	DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
	DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
	DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
	DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
	DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
	DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
	DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);

	DECLARE_EVENT_CLASS(nfs_rename_event,
	TP_PROTO(
	const struct inode *old_dir,
	const struct dentry *old_dentry,
	const struct inode *new_dir,
	const struct dentry *new_dentry
	),

	TP_ARGS(old_dir, old_dentry, new_dir, new_dentry),

	TP_STRUCT__entry(
	__field(dev_t, dev)
	__field(u64, old_dir)
	__field(u64, new_dir)
	__string(old_name, old_dentry->d_name.name)
	__string(new_name, new_dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = old_dir->i_sb->s_dev;
	__entry->old_dir = NFS_FILEID(old_dir);
	__entry->new_dir = NFS_FILEID(new_dir);
	__assign_str(old_name, old_dentry->d_name.name);
	__assign_str(new_name, new_dentry->d_name.name);
	),

	TP_printk(
	"old_name=%02x:%02x:%llu/%s new_name=%02x:%02x:%llu/%s",
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->old_dir,
	__get_str(old_name),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->new_dir,
	__get_str(new_name)
	)
	);
	#define DEFINE_NFS_RENAME_EVENT(name) \
	DEFINE_EVENT(nfs_rename_event, name, \
	TP_PROTO( \
	const struct inode *old_dir, \
	const struct dentry *old_dentry, \
	const struct inode *new_dir, \
	const struct dentry *new_dentry \
	), \
	TP_ARGS(old_dir, old_dentry, new_dir, new_dentry))

	DECLARE_EVENT_CLASS(nfs_rename_event_done,
	TP_PROTO(
	const struct inode *old_dir,
	const struct dentry *old_dentry,
	const struct inode *new_dir,
	const struct dentry *new_dentry,
	int error
	),

	TP_ARGS(old_dir, old_dentry, new_dir, new_dentry, error),

	TP_STRUCT__entry(
	__field(dev_t, dev)
	__field(int, error)
	__field(u64, old_dir)
	__string(old_name, old_dentry->d_name.name)
	__field(u64, new_dir)
	__string(new_name, new_dentry->d_name.name)
	),

	TP_fast_assign(
	__entry->dev = old_dir->i_sb->s_dev;
	__entry->old_dir = NFS_FILEID(old_dir);
	__entry->new_dir = NFS_FILEID(new_dir);
	__entry->error = error;
	__assign_str(old_name, old_dentry->d_name.name);
	__assign_str(new_name, new_dentry->d_name.name);
	),

	TP_printk(
	"error=%d old_name=%02x:%02x:%llu/%s "
	"new_name=%02x:%02x:%llu/%s",
	__entry->error,
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->old_dir,
	__get_str(old_name),
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->new_dir,
	__get_str(new_name)
	)
	);
	#define DEFINE_NFS_RENAME_EVENT_DONE(name) \
	DEFINE_EVENT(nfs_rename_event_done, name, \
	TP_PROTO( \
	const struct inode *old_dir, \
	const struct dentry *old_dentry, \
	const struct inode *new_dir, \
	const struct dentry *new_dentry, \
	int error \
	), \
	TP_ARGS(old_dir, old_dentry, new_dir, \
	new_dentry, error))

	DEFINE_NFS_RENAME_EVENT(nfs_rename_enter);
	DEFINE_NFS_RENAME_EVENT_DONE(nfs_rename_exit);

	DEFINE_NFS_RENAME_EVENT_DONE(nfs_sillyrename_rename);

	TRACE_EVENT(nfs_sillyrename_unlink,
	TP_PROTO(
	const struct nfs_unlinkdata *data,
	int error
	),

	TP_ARGS(data, error),

	TP_STRUCT__entry(
	__field(dev_t, dev)
	__field(int, error)
	__field(u64, dir)
	__dynamic_array(char, name, data->args.name.len + 1)
	),

	TP_fast_assign(
	struct inode *dir = data->dir;
	size_t len = data->args.name.len;
	__entry->dev = dir->i_sb->s_dev;
	__entry->dir = NFS_FILEID(dir);
	__entry->error = error;
	memcpy(__get_dynamic_array(name),
	data->args.name.name, len);
	((char *)__get_dynamic_array(name))[len] = 0;
	),

	TP_printk(
	"error=%d name=%02x:%02x:%llu/%s",
	__entry->error,
	MAJOR(__entry->dev), MINOR(__entry->dev),
	(unsigned long long)__entry->dir,
	__get_str(name)
	)
	);
	#endif /* _TRACE_NFS_H */

	#undef TRACE_INCLUDE_PATH
	#define TRACE_INCLUDE_PATH .
	#define TRACE_INCLUDE_FILE nfstrace
	/* This part must be outside protection */
	#include <trace/define_trace.h>