diff options
Diffstat (limited to 'drivers/md/raid10.c')
| -rw-r--r-- | drivers/md/raid10.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 06bef686f91..30029a312cf 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -461,7 +461,7 @@ static int raid10_mergeable_bvec(struct request_queue *q, mddev_t *mddev = q->queuedata; sector_t sector = bvm->bi_sector + get_start_sect(bvm->bi_bdev); int max; - unsigned int chunk_sectors = mddev->chunk_size >> 9; + unsigned int chunk_sectors = mddev->chunk_sectors; unsigned int bio_sectors = bvm->bi_size >> 9; max = (chunk_sectors - ((sector & (chunk_sectors - 1)) + bio_sectors)) << 9; @@ -985,7 +985,7 @@ static void status(struct seq_file *seq, mddev_t *mddev) int i; if (conf->near_copies < conf->raid_disks) - seq_printf(seq, " %dK chunks", mddev->chunk_size/1024); + seq_printf(seq, " %dK chunks", mddev->chunk_sectors / 2); if (conf->near_copies > 1) seq_printf(seq, " %d near-copies", conf->near_copies); if (conf->far_copies > 1) { @@ -2050,8 +2050,8 @@ static int run(mddev_t *mddev) int nc, fc, fo; sector_t stride, size; - if (mddev->chunk_size < PAGE_SIZE || - !is_power_of_2(mddev->chunk_size)) { + if (mddev->chunk_sectors < (PAGE_SIZE >> 9) || + !is_power_of_2(mddev->chunk_sectors)) { printk(KERN_ERR "md/raid10: chunk size must be " "at least PAGE_SIZE(%ld) and be a power of 2.\n", PAGE_SIZE); return -EINVAL; @@ -2096,8 +2096,8 @@ static int run(mddev_t *mddev) conf->far_copies = fc; conf->copies = nc*fc; conf->far_offset = fo; - conf->chunk_mask = (sector_t)(mddev->chunk_size>>9)-1; - conf->chunk_shift = ffz(~mddev->chunk_size) - 9; + conf->chunk_mask = mddev->chunk_sectors - 1; + conf->chunk_shift = ffz(~mddev->chunk_sectors); size = mddev->dev_sectors >> conf->chunk_shift; sector_div(size, fc); size = size * conf->raid_disks; @@ -2205,7 +2205,8 @@ static int run(mddev_t *mddev) * maybe... */ { - int stripe = conf->raid_disks * (mddev->chunk_size / PAGE_SIZE); + int stripe = conf->raid_disks * + ((mddev->chunk_sectors << 9) / PAGE_SIZE); stripe /= conf->near_copies; if (mddev->queue->backing_dev_info.ra_pages < 2* stripe) mddev->queue->backing_dev_info.ra_pages = 2* stripe; |