Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
authored by
Thomas Weißschuh
and committed by
Jens Axboe
3141e0e5
f00d826f
+5
-5
+5
-5
block/blk-mq-sysfs.c
+5
-5
block/blk-mq-sysfs.c
···
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struct request_queue *q;
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ssize_t res;
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-
entry = container_of(attr, struct blk_mq_hw_ctx_sysfs_entry, attr);
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+
entry = container_of_const(attr, struct blk_mq_hw_ctx_sysfs_entry, attr);
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hctx = container_of(kobj, struct blk_mq_hw_ctx, kobj);
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q = hctx->queue;
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···
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return pos + ret;
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}
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-
static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_tags = {
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+
static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_tags = {
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.attr = {.name = "nr_tags", .mode = 0444 },
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.show = blk_mq_hw_sysfs_nr_tags_show,
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};
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-
static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_reserved_tags = {
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+
static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_nr_reserved_tags = {
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.attr = {.name = "nr_reserved_tags", .mode = 0444 },
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.show = blk_mq_hw_sysfs_nr_reserved_tags_show,
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};
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-
static struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = {
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+
static const struct blk_mq_hw_ctx_sysfs_entry blk_mq_hw_sysfs_cpus = {
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.attr = {.name = "cpu_list", .mode = 0444 },
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.show = blk_mq_hw_sysfs_cpus_show,
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};
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-
static struct attribute *default_hw_ctx_attrs[] = {
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+
static const struct attribute *const default_hw_ctx_attrs[] = {
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&blk_mq_hw_sysfs_nr_tags.attr,
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&blk_mq_hw_sysfs_nr_reserved_tags.attr,
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&blk_mq_hw_sysfs_cpus.attr,