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authorThomas Weißschuh <linux@weissschuh.net>2026-03-17 01:43:54 +0300
committerJens Axboe <axboe@kernel.dk>2026-03-18 04:29:16 +0300
commit3141e0e536b43ab3555737cb2ee6ea1ed0aff69f (patch)
tree5f132d51546da6a39c20fe9d95d0da9a69cb9417
parentf00d826f1b8ee39a4e9283f2eb537f5b49e07829 (diff)
downloadlinux-3141e0e536b43ab3555737cb2ee6ea1ed0aff69f.tar.xz
blk-mq: make blk_mq_hw_ctx_sysfs_entry instances const
The blk_mq_hw_ctx_sysfs_entry structures are never modified, mark them as const. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: John Garry <john.g.garry@oracle.com> Link: https://patch.msgid.link/20260316-b4-sysfs-const-attr-block-v1-4-a35d73b986b0@weissschuh.net Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--block/blk-mq-sysfs.c10
1 files 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,