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authorBart Van Assche <bart.vanassche@wdc.com>2018-08-02 10:51:40 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-05 09:20:10 +0200
commit8a5e02a0f46ea33ed19e48e096a8e8d28e73d10a (patch)
tree30a0d0e8fddde75721499458b4e2b6d17b9c3532 /include
parenta6b728be40aef5cd66e7cbbd19c4c05db1cd0d22 (diff)
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
commit 2afc9166f79b8f6da5f347f48515215ceee4ae37 upstream. Introduce these two functions and export them such that the next patch can add calls to these functions from the SCSI core. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: <stable@vger.kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sysfs.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 00a1f330f93a..d3c19f8c4564 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -238,6 +238,9 @@ int __must_check sysfs_create_files(struct kobject *kobj,
const struct attribute **attr);
int __must_check sysfs_chmod_file(struct kobject *kobj,
const struct attribute *attr, umode_t mode);
+struct kernfs_node *sysfs_break_active_protection(struct kobject *kobj,
+ const struct attribute *attr);
+void sysfs_unbreak_active_protection(struct kernfs_node *kn);
void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr,
const void *ns);
bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr);
@@ -351,6 +354,17 @@ static inline int sysfs_chmod_file(struct kobject *kobj,
return 0;
}
+static inline struct kernfs_node *
+sysfs_break_active_protection(struct kobject *kobj,
+ const struct attribute *attr)
+{
+ return NULL;
+}
+
+static inline void sysfs_unbreak_active_protection(struct kernfs_node *kn)
+{
+}
+
static inline void sysfs_remove_file_ns(struct kobject *kobj,
const struct attribute *attr,
const void *ns)