Commit 68ca92aa authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://neil.brown.name/md

* 'for-linus' of git://neil.brown.name/md:
  md: Call blk_queue_flush() to establish flush/fua support
  md/raid1: really fix recovery looping when single good device fails.
  md: fix return value of rdev_size_change()
parents c42978f7 be20e6c6
......@@ -1337,7 +1337,7 @@ super_90_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
md_super_wait(rdev->mddev);
return num_sectors / 2; /* kB for sysfs */
return num_sectors;
}
......@@ -1704,7 +1704,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size,
rdev->sb_page);
md_super_wait(rdev->mddev);
return num_sectors / 2; /* kB for sysfs */
return num_sectors;
}
static struct super_type super_types[] = {
......@@ -4338,6 +4338,8 @@ static int md_alloc(dev_t dev, char *name)
if (mddev->kobj.sd &&
sysfs_create_group(&mddev->kobj, &md_bitmap_group))
printk(KERN_DEBUG "pointless warning\n");
blk_queue_flush(mddev->queue, REQ_FLUSH | REQ_FUA);
abort:
mutex_unlock(&disks_mutex);
if (!error && mddev->kobj.sd) {
......
......@@ -1161,6 +1161,7 @@ static int raid1_remove_disk(mddev_t *mddev, int number)
* is not possible.
*/
if (!test_bit(Faulty, &rdev->flags) &&
!mddev->recovery_disabled &&
mddev->degraded < conf->raid_disks) {
err = -EBUSY;
goto abort;
......
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