[PATCH 4/4] blk-mq: make blk_mq_hw_ctx_sysfs_entry instances const
From: Thomas Weißschuh
Date: Mon Mar 16 2026 - 18:44:21 EST
The blk_mq_hw_ctx_sysfs_entry structures are never modified,
mark them as const.
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
---
block/blk-mq-sysfs.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 58ec293373c6..895397831ecc 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -53,7 +53,7 @@ static ssize_t blk_mq_hw_sysfs_show(struct kobject *kobj,
struct request_queue *q;
ssize_t res;
- entry = container_of(attr, struct blk_mq_hw_ctx_sysfs_entry, attr);
+ entry = container_of_const(attr, struct blk_mq_hw_ctx_sysfs_entry, attr);
hctx = container_of(kobj, struct blk_mq_hw_ctx, kobj);
q = hctx->queue;
@@ -101,20 +101,20 @@ static ssize_t blk_mq_hw_sysfs_cpus_show(struct blk_mq_hw_ctx *hctx, char *page)
return pos + ret;
}
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_tags = {
+static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_tags = {
.attr = {.name = "nr_tags", .mode = 0444 },
.show = blk_mq_hw_sysfs_nr_tags_show,
};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_reserved_tags = {
+static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_reserved_tags = {
.attr = {.name = "nr_reserved_tags", .mode = 0444 },
.show = blk_mq_hw_sysfs_nr_reserved_tags_show,
};
-static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = {
+static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = {
.attr = {.name = "cpu_list", .mode = 0444 },
.show = blk_mq_hw_sysfs_cpus_show,
};
-static struct attribute *default_hw_ctx_attrs[] = {
+static const struct attribute *const default_hw_ctx_attrs[] = {
&blk_mq_hw_sysfs_nr_tags.attr,
&blk_mq_hw_sysfs_nr_reserved_tags.attr,
&blk_mq_hw_sysfs_cpus.attr,
--
2.53.0