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sysfs: Implement sysfs_rename_link

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Because of rename ordering problems we occassionally give false
warnings about invalid sysfs operations.  So using sysfs_rename
create a sysfs_rename_link function that doesn't need strange
workarounds.

Cc: Benjamin Thery <benjamin.thery@bull.net>
Cc: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric W. Biederman
2010-02-12 19:22:25 -08:00
committed by Greg Kroah-Hartman
parent 19c38b632d
commit 7cb32942d9
2 changed files with 47 additions and 0 deletions
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include/linux/sysfs.h
+9
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@@ -151,6 +151,9 @@ int __must_check sysfs_create_link_nowarn(struct kobject *kobj,
const char *name);
void sysfs_remove_link(struct kobject *kobj, const char *name);
int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
const char *old_name, const char *new_name);
int __must_check sysfs_create_group(struct kobject *kobj,
const struct attribute_group *grp);
int sysfs_update_group(struct kobject *kobj,
@@ -255,6 +258,12 @@ static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
{
}
static inline int sysfs_rename_link(struct kobject *k, struct kobject *t,
const char *old_name, const char *new_name)
{
return 0;
}
static inline int sysfs_create_group(struct kobject *kobj,
const struct attribute_group *grp)
{