diff options
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index f2e574dbc30..8e858744413 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -24,9 +24,9 @@ static void bdi_debug_init(void) static int bdi_debug_stats_show(struct seq_file *m, void *v) { struct backing_dev_info *bdi = m->private; - long background_thresh; - long dirty_thresh; - long bdi_thresh; + unsigned long background_thresh; + unsigned long dirty_thresh; + unsigned long bdi_thresh; get_dirty_limits(&background_thresh, &dirty_thresh, &bdi_thresh, bdi); @@ -176,6 +176,9 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent, int ret = 0; struct device *dev; + if (bdi->dev) /* The driver needs to use separate queues per device */ + goto exit; + va_start(args, fmt); dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args); va_end(args); @@ -220,7 +223,7 @@ int bdi_init(struct backing_dev_info *bdi) bdi->max_prop_frac = PROP_FRAC_BASE; for (i = 0; i < NR_BDI_STAT_ITEMS; i++) { - err = percpu_counter_init_irq(&bdi->bdi_stat[i], 0); + err = percpu_counter_init(&bdi->bdi_stat[i], 0); if (err) goto err; } |