Release 4.11 fs/nfs/nfstrace.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_INVALIDATING, "INVALIDATING" }, \
                        { 1 << NFS_INO_FSCACHE, "FSCACHE" }, \
                        { 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);

TRACE_EVENT(nfs_link_enter,
		TP_PROTO(
                        const struct inode *inode,
                        const struct inode *dir,
                        const struct dentry *dentry
                ),

		TP_ARGS(inode, dir, dentry),

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

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

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

TRACE_EVENT(nfs_link_exit,
		TP_PROTO(
                        const struct inode *inode,
                        const struct inode *dir,
                        const struct dentry *dentry,
                        int error
                ),

		TP_ARGS(inode, dir, dentry, error),

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

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

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

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 = d_inode(data->dentry->d_parent);
                        size_t len = data->args.name.len;
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
                        __entry->error = error;
                        memcpy(__get_str(name),
                                data->args.name.name, len);
                        __get_str(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>
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Trond Myklebust
603
99.83%
7
87.50%
Daniel Bristot de Oliveira
1
0.17%
1
12.50%
Total
604
100.00%
8
100.00%
Directory: fs/nfs

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