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| author | Andre Noll <maan@systemlinux.org> | 2009-06-18 08:45:55 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2009-06-18 08:45:55 +1000 |
| commit | 09c9e5fa1b93ad5b81c9dcf8ce3a5b9ae2ac31e4 (patch) | |
| tree | 2b8767d6a94654944f18ad96347fa6fcddf1eda0 /drivers/md/raid5.c | |
| parent | 664e7c413f1e90eceb0b2596dd73a0832faec058 (diff) | |
| download | linux-09c9e5fa1b93ad5b81c9dcf8ce3a5b9ae2ac31e4.tar.gz linux-09c9e5fa1b93ad5b81c9dcf8ce3a5b9ae2ac31e4.tar.bz2 linux-09c9e5fa1b93ad5b81c9dcf8ce3a5b9ae2ac31e4.zip | |
md: convert conf->chunk_size and conf->prev_chunk to sectors.
This kills some more shifts.
Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index bc3564cfbba0..eaa2d3ee2b5d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1274,8 +1274,8 @@ static sector_t raid5_compute_sector(raid5_conf_t *conf, sector_t r_sector, sector_t new_sector; int algorithm = previous ? conf->prev_algo : conf->algorithm; - int sectors_per_chunk = previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + int sectors_per_chunk = previous ? conf->prev_chunk_sectors + : conf->chunk_sectors; int raid_disks = previous ? conf->previous_raid_disks : conf->raid_disks; int data_disks = raid_disks - conf->max_degraded; @@ -1480,8 +1480,8 @@ static sector_t compute_blocknr(struct stripe_head *sh, int i, int previous) int raid_disks = sh->disks; int data_disks = raid_disks - conf->max_degraded; sector_t new_sector = sh->sector, check; - int sectors_per_chunk = previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + int sectors_per_chunk = previous ? conf->prev_chunk_sectors + : conf->chunk_sectors; int algorithm = previous ? conf->prev_algo : conf->algorithm; sector_t stripe; @@ -1997,8 +1997,7 @@ static void stripe_set_idx(sector_t stripe, raid5_conf_t *conf, int previous, struct stripe_head *sh) { int sectors_per_chunk = - previous ? (conf->prev_chunk >> 9) - : (conf->chunk_size >> 9); + previous ? conf->prev_chunk_sectors : conf->chunk_sectors; int dd_idx; int chunk_offset = sector_div(stripe, sectors_per_chunk); int disks = previous ? conf->previous_raid_disks : conf->raid_disks; @@ -3917,7 +3916,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped 1, &dd_idx, NULL); last_sector = raid5_compute_sector(conf, ((stripe_addr+reshape_sectors) - *(new_data_disks) - 1), + * new_data_disks - 1), 1, &dd_idx, NULL); if (last_sector >= mddev->dev_sectors) last_sector = mddev->dev_sectors - 1; @@ -4403,7 +4402,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) conf->fullsync = 1; } - conf->chunk_size = mddev->new_chunk_sectors << 9; + conf->chunk_sectors = mddev->new_chunk_sectors; conf->level = mddev->new_level; if (conf->level == 6) conf->max_degraded = 2; @@ -4413,7 +4412,7 @@ static raid5_conf_t *setup_conf(mddev_t *mddev) conf->max_nr_stripes = NR_STRIPES; conf->reshape_progress = mddev->reshape_position; if (conf->reshape_progress != MaxSector) { - conf->prev_chunk = mddev->chunk_sectors << 9; + conf->prev_chunk_sectors = mddev->chunk_sectors; conf->prev_algo = mddev->layout; } @@ -4931,8 +4930,8 @@ static int raid5_start_reshape(mddev_t *mddev) spin_lock_irq(&conf->device_lock); conf->previous_raid_disks = conf->raid_disks; conf->raid_disks += mddev->delta_disks; - conf->prev_chunk = conf->chunk_size; - conf->chunk_size = mddev->new_chunk_sectors << 9; + conf->prev_chunk_sectors = conf->chunk_sectors; + conf->chunk_sectors = mddev->new_chunk_sectors; conf->prev_algo = conf->algorithm; conf->algorithm = mddev->new_layout; if (mddev->delta_disks < 0) @@ -5014,7 +5013,7 @@ static void end_reshape(raid5_conf_t *conf) */ { int data_disks = conf->raid_disks - conf->max_degraded; - int stripe = data_disks * (conf->chunk_size + int stripe = data_disks * ((conf->chunk_sectors << 9) / PAGE_SIZE); if (conf->mddev->queue->backing_dev_info.ra_pages < 2 * stripe) conf->mddev->queue->backing_dev_info.ra_pages = 2 * stripe; @@ -5059,7 +5058,7 @@ static void raid5_finish_reshape(mddev_t *mddev) raid5_remove_disk(mddev, d); } mddev->layout = conf->algorithm; - mddev->chunk_sectors = conf->chunk_size >> 9; + mddev->chunk_sectors = conf->chunk_sectors; mddev->reshape_position = MaxSector; mddev->delta_disks = 0; } @@ -5187,7 +5186,7 @@ static int raid5_reconfig(mddev_t *mddev, int new_layout, int new_chunk) mddev->layout = mddev->new_layout = new_layout; } if (new_chunk > 0) { - conf->chunk_size = new_chunk; + conf->chunk_sectors = new_chunk >> 9; mddev->new_chunk_sectors = new_chunk >> 9; mddev->chunk_sectors = new_chunk >> 9; } |