block: make kobj_type structures constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definitions to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20230208-kobj_type-block-v1-1-0b3eafd7d983@weissschuh.net
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-crypto-sysfs.c b/block/blk-crypto-sysfs.c
index 55268ed..a304434 100644 (file)
--- a/block/blk-crypto-sysfs.c
+++ b/block/blk-crypto-sysfs.c
@@ -116,7 +116,7 @@ static void blk_crypto_release(struct kobject *kobj)
        kfree(container_of(kobj, struct blk_crypto_kobj, kobj));
 }
 
-static struct kobj_type blk_crypto_ktype = {
+static const struct kobj_type blk_crypto_ktype = {
        .default_groups = blk_crypto_attr_groups,
        .sysfs_ops      = &blk_crypto_attr_ops,
        .release        = blk_crypto_release,

diff --git a/block/blk-ia-ranges.c b/block/blk-ia-ranges.c
index 2141931..c9eb424 100644 (file)
--- a/block/blk-ia-ranges.c
+++ b/block/blk-ia-ranges.c
@@ -75,7 +75,7 @@ static void blk_ia_range_sysfs_nop_release(struct kobject *kobj)
 {
 }
 
-static struct kobj_type blk_ia_range_ktype = {
+static const struct kobj_type blk_ia_range_ktype = {
        .sysfs_ops      = &blk_ia_range_sysfs_ops,
        .default_groups = blk_ia_range_groups,
        .release        = blk_ia_range_sysfs_nop_release,
@@ -94,7 +94,7 @@ static void blk_ia_ranges_sysfs_release(struct kobject *kobj)
        kfree(iars);
 }
 
-static struct kobj_type blk_ia_ranges_ktype = {
+static const struct kobj_type blk_ia_ranges_ktype = {
        .release        = blk_ia_ranges_sysfs_release,
 };
 

diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 69eed26..8f01d78 100644 (file)
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -356,7 +356,7 @@ static const struct sysfs_ops integrity_ops = {
        .store  = &integrity_attr_store,
 };
 
-static struct kobj_type integrity_ktype = {
+static const struct kobj_type integrity_ktype = {
        .default_groups = integrity_groups,
        .sysfs_ops      = &integrity_ops,
 };

diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 2dfd785..1b2b0d2 100644 (file)
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -129,15 +129,15 @@ static const struct sysfs_ops blk_mq_hw_sysfs_ops = {
        .show   = blk_mq_hw_sysfs_show,
 };
 
-static struct kobj_type blk_mq_ktype = {
+static const struct kobj_type blk_mq_ktype = {
        .release        = blk_mq_sysfs_release,
 };
 
-static struct kobj_type blk_mq_ctx_ktype = {
+static const struct kobj_type blk_mq_ctx_ktype = {
        .release        = blk_mq_ctx_sysfs_release,
 };
 
-static struct kobj_type blk_mq_hw_ktype = {
+static const struct kobj_type blk_mq_hw_ktype = {
        .sysfs_ops      = &blk_mq_hw_sysfs_ops,
        .default_groups = default_hw_ctx_groups,
        .release        = blk_mq_hw_sysfs_release,

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index d70ebec..f1fce1c 100644 (file)
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -765,7 +765,7 @@ static void blk_queue_release(struct kobject *kobj)
        /* nothing to do here, all data is associated with the parent gendisk */
 }
 
-static struct kobj_type blk_queue_ktype = {
+static const struct kobj_type blk_queue_ktype = {
        .default_groups = blk_queue_attr_groups,
        .sysfs_ops      = &queue_sysfs_ops,
        .release        = blk_queue_release,

diff --git a/block/elevator.c b/block/elevator.c
index adee58e..2490906 100644 (file)
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -126,7 +126,7 @@ static struct elevator_type *elevator_find_get(struct request_queue *q,
        return e;
 }
 
-static struct kobj_type elv_ktype;
+static const struct kobj_type elv_ktype;
 
 struct elevator_queue *elevator_alloc(struct request_queue *q,
                                  struct elevator_type *e)
@@ -455,7 +455,7 @@ static const struct sysfs_ops elv_sysfs_ops = {
        .store  = elv_attr_store,
 };
 
-static struct kobj_type elv_ktype = {
+static const struct kobj_type elv_ktype = {
        .sysfs_ops      = &elv_sysfs_ops,
        .release        = elevator_release,
 };