ext4_mount_msg_ratelimit 63 fs/ext4/super.c static struct ratelimit_state ext4_mount_msg_ratelimit; ext4_mount_msg_ratelimit 4647 fs/ext4/super.c if (___ratelimit(&ext4_mount_msg_ratelimit, "EXT4-fs mount")) ext4_mount_msg_ratelimit 6162 fs/ext4/super.c ratelimit_state_init(&ext4_mount_msg_ratelimit, 30 * HZ, 64);