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authorBart Van Assche <bart.vanassche@wdc.com>2018-08-02 20:51:40 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2018-08-02 22:53:15 +0300
commit2afc9166f79b8f6da5f347f48515215ceee4ae37 (patch)
tree5d82e76262e17c762b7f75d156121087da8ee0e2 /include/linux/sysfs.h
parent7fa8512330ab7cbb394b3e42ee092f4ad2e8f906 (diff)
downloadlinux-2afc9166f79b8f6da5f347f48515215ceee4ae37.tar.xz
scsi: sysfs: Introduce sysfs_{un,}break_active_protection()
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>
Diffstat (limited to 'include/linux/sysfs.h')
-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 b8bfdc173ec0..3c12198c0103 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -237,6 +237,9 @@ 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);
@@ -350,6 +353,17 @@ 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)