forked from Minki/linux
51a35e9fd0
Add const qualifier to sysfs_super_info->ns so that it's consistent with other namespace tag usages in sysfs. Because kobject doesn't use const qualifier for namespace tags, this ends up requiring an explicit cast to drop const qualifier in free_sysfs_super_info(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
57 lines
1.3 KiB
C
57 lines
1.3 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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struct sysfs_super_info {
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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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const 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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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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