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authorNeil Brown <neilb@notabene.brown>2008-06-28 08:31:43 +1000
committerNeil Brown <neilb@notabene.brown>2008-06-28 08:31:43 +1000
commita99ac97113d5bc25ddc4d17f404c2024ac6c57f9 (patch)
treeb1848af670eb9f67961f7abc7cd5a19a07b9b37e /drivers/md
parent72a23c211e4587859d5bf61ac4962d76e593fb02 (diff)
downloadblackbird-op-linux-a99ac97113d5bc25ddc4d17f404c2024ac6c57f9.tar.gz
blackbird-op-linux-a99ac97113d5bc25ddc4d17f404c2024ac6c57f9.zip
Make sure all changes to md/degraded are notified.
When a device fails, when a spare is activated, when an array is reshaped, or when an array is started, the extent to which the array is degraded can change. Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index c26dcad8a3ac..60d4cad88c20 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2969,6 +2969,7 @@ action_store(mddev_t *mddev, const char *page, size_t len)
err = mddev->pers->start_reshape(mddev);
if (err)
return err;
+ sysfs_notify(&mddev->kobj, NULL, "degraded");
} else {
if (cmd_match(page, "check"))
set_bit(MD_RECOVERY_CHECK, &mddev->recovery);
@@ -3686,6 +3687,7 @@ static int do_md_run(mddev_t * mddev)
md_new_event(mddev);
sysfs_notify(&mddev->kobj, NULL, "array_state");
sysfs_notify(&mddev->kobj, NULL, "sync_action");
+ sysfs_notify(&mddev->kobj, NULL, "degraded");
kobject_uevent(&mddev->gendisk->dev.kobj, KOBJ_CHANGE);
return 0;
}
@@ -6049,7 +6051,9 @@ void md_check_recovery(mddev_t *mddev)
if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) {
/* success...*/
/* activate any spares */
- mddev->pers->spare_active(mddev);
+ if (mddev->pers->spare_active(mddev))
+ sysfs_notify(&mddev->kobj, NULL,
+ "degraded");
}
md_update_sb(mddev, 1);
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