renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-23 20:53:53 +08:00
Code

md: Constify attribute_group structs

Browse Source 
The attribute_group structs are never modified, they're only passed to
sysfs_create_group() and sysfs_remove_group(). Make them const to allow
the compiler to put them in read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Song Liu <song@kernel.org>
This commit is contained in:
Rikard Falkeborn 2021-05-29 12:30:49 +02:00 committed by Song Liu
parent 608f52e30a
commit c32dc04059
4 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/md/md-bitmap.c
View File

@ -2616,7 +2616,7 @@ static struct attribute *md_bitmap_attrs[] = {
&max_backlog_used.attr,
NULL
};
struct attribute_group md_bitmap_group = {
const struct attribute_group md_bitmap_group = {
.name = "bitmap",
.attrs = md_bitmap_attrs,
};

6
drivers/md/md.c
View File

@ -785,7 +785,7 @@ out_free_new:
return ERR_PTR(error);
}
static struct attribute_group md_redundancy_group;
static const struct attribute_group md_redundancy_group;
void mddev_unlock(struct mddev *mddev)
{
@ -802,7 +802,7 @@ void mddev_unlock(struct mddev *mddev)
* test it under the same mutex to ensure its correct value
* is seen.
*/
struct attribute_group *to_remove = mddev->to_remove;
const struct attribute_group *to_remove = mddev->to_remove;
mddev->to_remove = NULL;
mddev->sysfs_active = 1;
mutex_unlock(&mddev->reconfig_mutex);
@ -5500,7 +5500,7 @@ static struct attribute *md_redundancy_attrs[] = {
&md_degraded.attr,
NULL,
};
static struct attribute_group md_redundancy_group = {
static const struct attribute_group md_redundancy_group = {
.name = NULL,
.attrs = md_redundancy_attrs,
};

4
drivers/md/md.h
View File

@ -481,7 +481,7 @@ struct mddev {
atomic_t max_corr_read_errors; /* max read retries */
struct list_head all_mddevs;
struct attribute_group *to_remove;
const struct attribute_group *to_remove;
struct bio_set bio_set;
struct bio_set sync_set; /* for sync operations like
@ -613,7 +613,7 @@ struct md_sysfs_entry {
ssize_t (*show)(struct mddev *, char *);
ssize_t (*store)(struct mddev *, const char *, size_t);
};
extern struct attribute_group md_bitmap_group;
extern const struct attribute_group md_bitmap_group;
static inline struct kernfs_node *sysfs_get_dirent_safe(struct kernfs_node *sd, char *name)
{

2
drivers/md/raid5.c
View File

@ -6940,7 +6940,7 @@ static struct attribute *raid5_attrs[] = {
&ppl_write_hint.attr,
NULL,
};
static struct attribute_group raid5_attrs_group = {
static const struct attribute_group raid5_attrs_group = {
.name = NULL,
.attrs = raid5_attrs,
};