return 0;
}
+ md_write_start(mddev, bio);
+
/*
* Register the new request and wait if the reconstruction
* thread has put up a bar for new requests.
rcu_read_unlock();
atomic_set(&r10_bio->remaining, 1);
- md_write_start(mddev);
+
for (i = 0; i < conf->copies; i++) {
struct bio *mbio;
int d = r10_bio->devs[i].devnum;
mdk_rdev_t *rdev;
md_check_recovery(mddev);
- md_handle_safemode(mddev);
for (;;) {
char b[BDEVNAME_SIZE];
*
*/
-static int sync_request(mddev_t *mddev, sector_t sector_nr, int go_faster)
+static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
{
conf_t *conf = mddev_to_conf(mddev);
r10bio_t *r10_bio;
if (!conf->r10buf_pool)
if (init_resync(conf))
- return -ENOMEM;
+ return 0;
skipped:
max_sector = mddev->size << 1;
max_sector = mddev->resync_max_sectors;
if (sector_nr >= max_sector) {
close_sync(conf);
+ *skipped = 1;
return sectors_skipped;
}
if (chunks_skipped >= conf->raid_disks) {
/* if there has been nothing to do on any drive,
* then there is nothing to do at all..
*/
- sector_t sec = max_sector - sector_nr;
- md_done_sync(mddev, sec, 1);
- return sec + sectors_skipped;
+ *skipped = 1;
+ return (max_sector - sector_nr) + sectors_skipped;
}
/* make sure whole request will fit in a chunk - if chunks
}
}
+ if (sectors_skipped)
+ /* pretend they weren't skipped, it makes
+ * no important difference in this case
+ */
+ md_done_sync(mddev, sectors_skipped, 1);
+
return sectors_skipped + nr_sectors;
giveup:
/* There is nowhere to write, so all non-sync
* drives must be failed, so try the next chunk...
*/
{
- int sec = max_sector - sector_nr;
+ sector_t sec = max_sector - sector_nr;
sectors_skipped += sec;
chunks_skipped ++;
sector_nr = max_sector;
- md_done_sync(mddev, sec, 1);
goto skipped;
}
}
mdname(mddev));
goto out_free_conf;
}
- mddev->queue->unplug_fn = raid10_unplug;
-
- mddev->queue->issue_flush_fn = raid10_issue_flush;
ITERATE_RDEV(mddev, rdev, tmp) {
disk_idx = rdev->raid_disk;
mddev->array_size = size/2;
mddev->resync_max_sectors = size;
+ mddev->queue->unplug_fn = raid10_unplug;
+ mddev->queue->issue_flush_fn = raid10_issue_flush;
+
/* Calculate max read-ahead size.
* We need to readahead at least twice a whole stripe....
* maybe...
out_free_conf:
if (conf->r10bio_pool)
mempool_destroy(conf->r10bio_pool);
- if (conf->mirrors)
- kfree(conf->mirrors);
+ kfree(conf->mirrors);
kfree(conf);
mddev->private = NULL;
out:
blk_sync_queue(mddev->queue); /* the unplug fn references 'conf'*/
if (conf->r10bio_pool)
mempool_destroy(conf->r10bio_pool);
- if (conf->mirrors)
- kfree(conf->mirrors);
+ kfree(conf->mirrors);
kfree(conf);
mddev->private = NULL;
return 0;