From: Thomas Weißschuh Date: Thu, 2 Jan 2025 12:01:32 +0000 (+0100) Subject: block: mq-deadline: Constify sysfs attributes X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8686e1dedac7190d2f148b23e4f1ac69d2e37d6b;p=users%2Fjedix%2Flinux-maple.git block: mq-deadline: Constify sysfs attributes The elevator core now allows instances of 'struct elv_fs_entry' to be moved into read-only memory. Make use of that to protect them against accidental or malicious modifications. Signed-off-by: Thomas Weißschuh Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-2-9837d2058c60@weissschuh.net Signed-off-by: Jens Axboe --- diff --git a/block/mq-deadline.c b/block/mq-deadline.c index 5528347b5fcf..754f6b7415cd 100644 --- a/block/mq-deadline.c +++ b/block/mq-deadline.c @@ -834,7 +834,7 @@ STORE_INT(deadline_fifo_batch_store, &dd->fifo_batch, 0, INT_MAX); #define DD_ATTR(name) \ __ATTR(name, 0644, deadline_##name##_show, deadline_##name##_store) -static struct elv_fs_entry deadline_attrs[] = { +static const struct elv_fs_entry deadline_attrs[] = { DD_ATTR(read_expire), DD_ATTR(write_expire), DD_ATTR(writes_starved),