* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#include "dm-bio-list.h"
#include <linux/delay.h>
-#include <linux/raid/raid1.h>
-#include <linux/raid/bitmap.h>
+#include <linux/blkdev.h>
+#include <linux/seq_file.h>
+#include "md.h"
+#include "dm-bio-list.h"
+#include "raid1.h"
+#include "bitmap.h"
#define DEBUG 0
#if DEBUG
goto out_free_pages;
bio->bi_io_vec[i].bv_page = page;
+ bio->bi_vcnt = i+1;
}
}
/* If not user-requests, copy the page pointers to all bios */
return r1_bio;
out_free_pages:
- for (i=0; i < RESYNC_PAGES ; i++)
- for (j=0 ; j < pi->raid_disks; j++)
- safe_put_page(r1_bio->bios[j]->bi_io_vec[i].bv_page);
+ for (j=0 ; j < pi->raid_disks; j++)
+ for (i=0; i < r1_bio->bios[j]->bi_vcnt ; i++)
+ put_page(r1_bio->bios[j]->bi_io_vec[i].bv_page);
j = -1;
out_free_bio:
while ( ++j < pi->raid_disks )
/* Note the '|| 1' - when read_balance prefers
* non-congested targets, it can be removed
*/
- if ((bits & (1<<BDI_write_congested)) || 1)
+ if ((bits & (1<<BDI_async_congested)) || 1)
ret |= bdi_congested(&q->backing_dev_info, bits);
else
ret &= bdi_congested(&q->backing_dev_info, bits);
return 0;
}
- max_sector = mddev->size << 1;
+ max_sector = mddev->dev_sectors;
if (sector_nr >= max_sector) {
/* If we aborted, we need to abort the
* sync on the 'current' bitmap chunk (there will
return nr_sectors;
}
+static sector_t raid1_size(mddev_t *mddev, sector_t sectors, int raid_disks)
+{
+ if (sectors)
+ return sectors;
+
+ return mddev->dev_sectors;
+}
+
static int run(mddev_t *mddev)
{
conf_t *conf;
/*
* Ok, everything is just fine now
*/
- mddev->array_sectors = mddev->size * 2;
+ md_set_array_sectors(mddev, raid1_size(mddev, 0, 0));
mddev->queue->unplug_fn = raid1_unplug;
mddev->queue->backing_dev_info.congested_fn = raid1_congested;
/* need to kick something here to make sure I/O goes? */
}
+ raise_barrier(conf);
+ lower_barrier(conf);
+
md_unregister_thread(mddev->thread);
mddev->thread = NULL;
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
* any io in the removed space completes, but it hardly seems
* worth it.
*/
- mddev->array_sectors = sectors;
+ md_set_array_sectors(mddev, raid1_size(mddev, sectors, 0));
+ if (mddev->array_sectors > raid1_size(mddev, sectors, 0))
+ return -EINVAL;
set_capacity(mddev->gendisk, mddev->array_sectors);
mddev->changed = 1;
- if (mddev->array_sectors / 2 > mddev->size &&
+ if (sectors > mddev->dev_sectors &&
mddev->recovery_cp == MaxSector) {
- mddev->recovery_cp = mddev->size << 1;
+ mddev->recovery_cp = mddev->dev_sectors;
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
}
- mddev->size = mddev->array_sectors / 2;
+ mddev->dev_sectors = sectors;
mddev->resync_max_sectors = sectors;
return 0;
}
.spare_active = raid1_spare_active,
.sync_request = sync_request,
.resize = raid1_resize,
+ .size = raid1_size,
.check_reshape = raid1_reshape,
.quiesce = raid1_quiesce,
};