On 11/16/25 9:34 PM, Li Chen wrote:
From: Li Chen chenl311@chinatelecom.cn
loop devices under heavy stress-ng loop streessor can trigger many capacity change events in a short time. Each event prints an info message from set_capacity_and_notify(), flooding the console and contributing to soft lockups on slow consoles.
Switch the printk in set_capacity_and_notify() to pr_info_ratelimited() so frequent capacity changes do not spam the log while still reporting occasional changes.
Cc: stable@vger.kernel.org Signed-off-by: Li Chen chenl311@chinatelecom.cn
block/genhd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/genhd.c b/block/genhd.c index 9bbc38d12792..bd3a6841e5b5 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -90,7 +90,7 @@ bool set_capacity_and_notify(struct gendisk *disk, sector_t size) (disk->flags & GENHD_FL_HIDDEN)) return false;
- pr_info("%s: detected capacity change from %lld to %lld\n",
- pr_info_ratelimited("%s: detected capacity change from %lld to %lld\n", disk->disk_name, capacity, size);
/*
Reviewed-by: Bart Van Assche bvanassche@acm.org