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authorLinus Torvalds <torvalds@linux-foundation.org>2010-11-25 06:57:43 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-25 06:57:43 +0900
commit68ca92aa1f980d91ac98f798b313b70864f60e4b (patch)
tree6a363627e40d336dbeb051d52a2bd0740c719042
parentc42978f7ecaa5c29bdd5fea507e09e6eff9d9f27 (diff)
parentbe20e6c67b6c6024c19094d3447f144d118733b0 (diff)
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()
-rw-r--r--drivers/md/md.c6
-rw-r--r--drivers/md/raid1.c1
2 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 324a3663fcda..84c46a161927 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -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) {
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 45f8324196ec..845cf95b612c 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -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;