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| author | Bart Van Assche <bart.vanassche@wdc.com> | 2018-08-02 10:51:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-05 09:16:24 +0200 |
| commit | a6abc93760dd07fcd29760b70e6e7520f22cb288 (patch) | |
| tree | eae2d17f8579824bbdbc4097b4d985dbadb3b98e /include | |
| parent | 1d7acd2e136511d8d7e5a52e9fa8489502263962 (diff) | |
| download | linux-stable-a6abc93760dd07fcd29760b70e6e7520f22cb288.tar.gz linux-stable-a6abc93760dd07fcd29760b70e6e7520f22cb288.tar.bz2 linux-stable-a6abc93760dd07fcd29760b70e6e7520f22cb288.zip | |
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.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 70ceb2a14a57..8e0c151cc07c 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -200,6 +200,9 @@ 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); @@ -299,6 +302,17 @@ 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) |