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Commit dd8a5b03 authored by Tejun Heo's avatar Tejun Heo Committed by Greg Kroah-Hartman
Browse files

sysfs, kernfs: move sysfs_open_file to include/linux/kernfs.h 



sysfs_open_file will be used as the primary handle for kernfs methods.
Move its definition from fs/sysfs/file.c to include/linux/kernfs.h and
mark the public and private fields.

This is pure relocation.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c6fb4495

fs/sysfs/file.c

+0 −11
Original line number Diff line number Diff line
@@ -47,17 +47,6 @@ struct sysfs_open_dirent { 
	struct list_head	files; /* goes through sysfs_open_file.list */

};



struct sysfs_open_file {

	struct sysfs_dirent	*sd;

	struct file		*file;

	struct mutex		mutex;

	int			event;

	struct list_head	list;



	bool			mmapped;

	const struct vm_operations_struct *vm_ops;

};



static bool sysfs_is_bin(struct sysfs_dirent *sd)

{

	return sysfs_type(sd) == SYSFS_KOBJ_BIN_ATTR;

include/linux/kernfs.h

+18 −0
Original line number Diff line number Diff line
@@ -9,12 +9,30 @@ 


#include <linux/kernel.h>

#include <linux/err.h>

#include <linux/list.h>

#include <linux/mutex.h>



struct file;

struct iattr;

struct seq_file;

struct vm_area_struct;



struct sysfs_dirent;



struct sysfs_open_file {

	/* published fields */

	struct sysfs_dirent	*sd;

	struct file		*file;



	/* private fields, do not use outside kernfs proper */

	struct mutex		mutex;

	int			event;

	struct list_head	list;



	bool			mmapped;

	const struct vm_operations_struct *vm_ops;

};



#ifdef CONFIG_SYSFS



struct sysfs_dirent *kernfs_create_dir_ns(struct sysfs_dirent *parent,