Merge remote-tracking branch 'moduleh/module.h-split'

[karo-tx-linux.git] / drivers / md / md.c

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 269f95c533a2664a74d3108af0edcb9313ffe624..ba48f2db9c365aadc5813703fa0fc059de22b182 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1739,6 +1739,11 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
        sb->level = cpu_to_le32(mddev->level);
        sb->layout = cpu_to_le32(mddev->layout);
 
+       if (test_bit(WriteMostly, &rdev->flags))
+               sb->devflags |= WriteMostly1;
+       else
+               sb->devflags &= ~WriteMostly1;
+
        if (mddev->bitmap && mddev->bitmap_info.file == NULL) {
                sb->bitmap_offset = cpu_to_le32((__u32)mddev->bitmap_info.offset);
                sb->feature_map = cpu_to_le32(MD_FEATURE_BITMAP_OFFSET);
@@ -2562,7 +2567,10 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
        int err = -EINVAL;
        if (cmd_match(buf, "faulty") && rdev->mddev->pers) {
                md_error(rdev->mddev, rdev);
-               err = 0;
+               if (test_bit(Faulty, &rdev->flags))
+                       err = 0;
+               else
+                       err = -EBUSY;
        } else if (cmd_match(buf, "remove")) {
                if (rdev->raid_disk >= 0)
                        err = -EBUSY;
@@ -5984,6 +5992,8 @@ static int set_disk_faulty(mddev_t *mddev, dev_t dev)
                return -ENODEV;
 
        md_error(mddev, rdev);
+       if (!test_bit(Faulty, &rdev->flags))
+               return -EBUSY;
        return 0;
 }