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414985ae23
Move core file code to fs/kernfs/file.c. fs/sysfs/file.c now contains
sysfs kernfs_ops callbacks, sysfs wrappers around kernfs interfaces,
and sysfs_schedule_callback(). The respective declarations in
fs/sysfs/sysfs.h are moved to fs/kernfs/kernfs-internal.h.
This is pure relocation.
v2: Refreshed on top of the v2 of "sysfs, kernfs: prepare read path
for kernfs".
v3: Refreshed on top of the v3 of "sysfs, kernfs: prepare read path
for kernfs".
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
/*
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* fs/sysfs/sysfs.h - sysfs internal header file
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*
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* Copyright (c) 2001-3 Patrick Mochel
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* Copyright (c) 2007 SUSE Linux Products GmbH
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* Copyright (c) 2007 Tejun Heo <teheo@suse.de>
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*
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* This file is released under the GPLv2.
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*/
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#ifndef __SYSFS_INTERNAL_H
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#define __SYSFS_INTERNAL_H
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#include "../kernfs/kernfs-internal.h"
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#include <linux/sysfs.h>
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/*
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* mount.c
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*/
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/*
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* Each sb is associated with one namespace tag, currently the network
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* namespace of the task which mounted this sysfs instance. If multiple
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* tags become necessary, make the following an array and compare
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* sysfs_dirent tag against every entry.
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*/
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struct sysfs_super_info {
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void *ns;
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};
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#define sysfs_info(SB) ((struct sysfs_super_info *)(SB->s_fs_info))
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extern struct sysfs_dirent sysfs_root;
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extern struct kmem_cache *sysfs_dir_cachep;
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/*
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* dir.c
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*/
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extern spinlock_t sysfs_symlink_target_lock;
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void sysfs_warn_dup(struct sysfs_dirent *parent, const char *name);
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/*
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* file.c
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*/
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int sysfs_add_file(struct sysfs_dirent *dir_sd,
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const struct attribute *attr, bool is_bin);
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int sysfs_add_file_mode_ns(struct sysfs_dirent *dir_sd,
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const struct attribute *attr, bool is_bin,
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umode_t amode, const void *ns);
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/*
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* symlink.c
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*/
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extern const struct inode_operations sysfs_symlink_inode_operations;
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int sysfs_create_link_sd(struct sysfs_dirent *sd, struct kobject *target,
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const char *name);
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#endif /* __SYSFS_INTERNAL_H */
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