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Diffstat (limited to 'drivers/md/raid0.c')
-rw-r--r--drivers/md/raid0.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 377cf2a3c33..c2e0d1d2810 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -28,9 +28,10 @@ static void raid0_unplug(struct request_queue *q)
mddev_t *mddev = q->queuedata;
raid0_conf_t *conf = mddev->private;
mdk_rdev_t **devlist = conf->devlist;
+ int raid_disks = conf->strip_zone[0].nb_dev;
int i;
- for (i=0; i<mddev->raid_disks; i++) {
+ for (i=0; i < raid_disks; i++) {
struct request_queue *r_queue = bdev_get_queue(devlist[i]->bdev);
blk_unplug(r_queue);
@@ -42,12 +43,13 @@ static int raid0_congested(void *data, int bits)
mddev_t *mddev = data;
raid0_conf_t *conf = mddev->private;
mdk_rdev_t **devlist = conf->devlist;
+ int raid_disks = conf->strip_zone[0].nb_dev;
int i, ret = 0;
if (mddev_congested(mddev, bits))
return 1;
- for (i = 0; i < mddev->raid_disks && !ret ; i++) {
+ for (i = 0; i < raid_disks && !ret ; i++) {
struct request_queue *q = bdev_get_queue(devlist[i]->bdev);
ret |= bdi_congested(&q->backing_dev_info, bits);
@@ -65,6 +67,7 @@ static void dump_zones(mddev_t *mddev)
sector_t zone_start = 0;
char b[BDEVNAME_SIZE];
raid0_conf_t *conf = mddev->private;
+ int raid_disks = conf->strip_zone[0].nb_dev;
printk(KERN_INFO "******* %s configuration *********\n",
mdname(mddev));
h = 0;
@@ -72,7 +75,7 @@ static void dump_zones(mddev_t *mddev)
printk(KERN_INFO "zone%d=[", j);
for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
printk("%s/",
- bdevname(conf->devlist[j*mddev->raid_disks
+ bdevname(conf->devlist[j*raid_disks
+ k]->bdev, b));
printk("]\n");
@@ -401,6 +404,7 @@ static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
unsigned int sect_in_chunk;
sector_t chunk;
raid0_conf_t *conf = mddev->private;
+ int raid_disks = conf->strip_zone[0].nb_dev;
unsigned int chunk_sects = mddev->chunk_sectors;
if (is_power_of_2(chunk_sects)) {
@@ -423,7 +427,7 @@ static mdk_rdev_t *map_sector(mddev_t *mddev, struct strip_zone *zone,
* + the position in the chunk
*/
*sector_offset = (chunk * chunk_sects) + sect_in_chunk;
- return conf->devlist[(zone - conf->strip_zone)*mddev->raid_disks
+ return conf->devlist[(zone - conf->strip_zone)*raid_disks
+ sector_div(sector, zone->nb_dev)];
}
@@ -518,6 +522,7 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
int j, k, h;
char b[BDEVNAME_SIZE];
raid0_conf_t *conf = mddev->private;
+ int raid_disks = conf->strip_zone[0].nb_dev;
sector_t zone_size;
sector_t zone_start = 0;
@@ -528,7 +533,7 @@ static void raid0_status(struct seq_file *seq, mddev_t *mddev)
seq_printf(seq, "=[");
for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
seq_printf(seq, "%s/", bdevname(
- conf->devlist[j*mddev->raid_disks + k]
+ conf->devlist[j*raid_disks + k]
->bdev, b));
zone_size = conf->strip_zone[j].zone_end - zone_start;