Commit 8686e1de authored by Thomas Weißschuh's avatar Thomas Weißschuh Committed by Jens Axboe
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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: default avatarThomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20250102-sysfs-const-attr-elevator-v1-2-9837d2058c60@weissschuh.net


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 044792cd

block/mq-deadline.c

+1 −1
Original line number Diff line number Diff line
@@ -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),