diff options
Diffstat (limited to 'drivers/block/pktcdvd.c')
| -rw-r--r-- | drivers/block/pktcdvd.c | 32 |
1 files changed, 10 insertions, 22 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 62462190e07e..93fb6ed4ed52 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -190,15 +190,6 @@ static struct attribute *kobj_pkt_attrs_wqueue[] = { NULL }; -/* declares a char buffer[64] _dbuf, copies data from - * _b with length _l into it and ensures that _dbuf ends - * with a \0 character. - */ -#define DECLARE_BUF_AS_STRING(_dbuf, _b, _l) \ - char _dbuf[64]; int dlen = (_l) < 0 ? 0 : (_l); \ - if (dlen >= sizeof(_dbuf)) dlen = sizeof(_dbuf)-1; \ - memcpy(_dbuf, _b, dlen); _dbuf[dlen] = 0 - static ssize_t kobj_pkt_show(struct kobject *kobj, struct attribute *attr, char *data) { @@ -264,9 +255,8 @@ static ssize_t kobj_pkt_store(struct kobject *kobj, { struct pktcdvd_device *pd = to_pktcdvdkobj(kobj)->pd; int val; - DECLARE_BUF_AS_STRING(dbuf, data, len); /* ensure sscanf scans a string */ - if (strcmp(attr->name, "reset") == 0 && dlen > 0) { + if (strcmp(attr->name, "reset") == 0 && len > 0) { pd->stats.pkt_started = 0; pd->stats.pkt_ended = 0; pd->stats.secs_w = 0; @@ -274,7 +264,7 @@ static ssize_t kobj_pkt_store(struct kobject *kobj, pd->stats.secs_r = 0; } else if (strcmp(attr->name, "congestion_off") == 0 - && sscanf(dbuf, "%d", &val) == 1) { + && sscanf(data, "%d", &val) == 1) { spin_lock(&pd->lock); pd->write_congestion_off = val; init_write_congestion_marks(&pd->write_congestion_off, @@ -282,7 +272,7 @@ static ssize_t kobj_pkt_store(struct kobject *kobj, spin_unlock(&pd->lock); } else if (strcmp(attr->name, "congestion_on") == 0 - && sscanf(dbuf, "%d", &val) == 1) { + && sscanf(data, "%d", &val) == 1) { spin_lock(&pd->lock); pd->write_congestion_on = val; init_write_congestion_marks(&pd->write_congestion_off, @@ -369,8 +359,7 @@ static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf, size_t count) { unsigned int major, minor; - DECLARE_BUF_AS_STRING(dbuf, buf, count); - if (sscanf(dbuf, "%u:%u", &major, &minor) == 2) { + if (sscanf(buf, "%u:%u", &major, &minor) == 2) { pkt_setup_dev(MKDEV(major, minor), NULL); return count; } @@ -381,8 +370,7 @@ static ssize_t class_pktcdvd_store_remove(struct class *c, const char *buf, size_t count) { unsigned int major, minor; - DECLARE_BUF_AS_STRING(dbuf, buf, count); - if (sscanf(dbuf, "%u:%u", &major, &minor) == 2) { + if (sscanf(buf, "%u:%u", &major, &minor) == 2) { pkt_remove_dev(MKDEV(major, minor)); return count; } @@ -447,7 +435,7 @@ static int pkt_debugfs_fops_open(struct inode *inode, struct file *file) return single_open(file, pkt_debugfs_seq_show, inode->i_private); } -static struct file_operations debug_fops = { +static const struct file_operations debug_fops = { .open = pkt_debugfs_fops_open, .read = seq_read, .llseek = seq_lseek, @@ -1377,7 +1365,7 @@ try_next_bio: && pd->bio_queue_size <= pd->write_congestion_off); spin_unlock(&pd->lock); if (wakeup) - blk_clear_queue_congested(pd->disk->queue, WRITE); + clear_bdi_congested(&pd->disk->queue->backing_dev_info, WRITE); pkt->sleep_time = max(PACKET_WAIT_TIME, 1); pkt_set_state(pkt, PACKET_WAITING_STATE); @@ -2598,7 +2586,7 @@ static int pkt_make_request(request_queue_t *q, struct bio *bio) spin_lock(&pd->lock); if (pd->write_congestion_on > 0 && pd->bio_queue_size >= pd->write_congestion_on) { - blk_set_queue_congested(q, WRITE); + set_bdi_congested(&q->backing_dev_info, WRITE); do { spin_unlock(&pd->lock); congestion_wait(WRITE, HZ); @@ -2737,7 +2725,7 @@ static int pkt_seq_open(struct inode *inode, struct file *file) return single_open(file, pkt_seq_show, PDE(inode)->data); } -static struct file_operations pkt_proc_fops = { +static const struct file_operations pkt_proc_fops = { .open = pkt_seq_open, .read = seq_read, .llseek = seq_lseek, @@ -3064,7 +3052,7 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm } -static struct file_operations pkt_ctl_fops = { +static const struct file_operations pkt_ctl_fops = { .ioctl = pkt_ctl_ioctl, .owner = THIS_MODULE, }; |