diff options
| author | Rikard Falkeborn <rikard.falkeborn@gmail.com> | 2021-05-29 12:30:49 +0200 |
|---|---|---|
| committer | Song Liu <song@kernel.org> | 2021-06-14 22:32:07 -0700 |
| commit | c32dc04059c79ddb4f7cff94ad5de6e92ea2218d (patch) | |
| tree | 11ab78907c0326978858971cc6754b43ea949783 /drivers/md | |
| parent | 608f52e30aae7dc8da836e5b7b112d50a2d00e43 (diff) | |
md: Constify attribute_group structs
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>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md-bitmap.c | 2 | ||||
| -rw-r--r-- | drivers/md/md.c | 6 | ||||
| -rw-r--r-- | drivers/md/md.h | 4 | ||||
| -rw-r--r-- | drivers/md/raid5.c | 2 |
4 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c index ea3130e11680..e29c6298ef5c 100644 --- a/drivers/md/md-bitmap.c +++ b/drivers/md/md-bitmap.c @@ -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, }; diff --git a/drivers/md/md.c b/drivers/md/md.c index 843e13666e3f..32abcfb8bcad 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -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, }; diff --git a/drivers/md/md.h b/drivers/md/md.h index 4191f22acce4..b9b7d2f992f3 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -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) { diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f83623ac8c34..0ee9aa0113f3 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -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, }; |