From mboxrd@z Thu Jan 1 00:00:00 1970 From: NeilBrown Subject: [md PATCH 02/22] md: adjust resync_min usefully when resync aborts. Date: Fri, 04 Dec 2009 17:48:02 +1100 Message-ID: <20091204064802.10264.93798.stgit@notabene.brown> References: <20091204064559.10264.37619.stgit@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20091204064559.10264.37619.stgit@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids When a 'check' or 'repair' finished we should clear resync_min so that a future check/repair will cover the whole array (by default). However if it is interrupted, we should update resync_min to where we got up to, so that when the check/repair continues it just does the remainder of the array. Signed-off-by: NeilBrown --- drivers/md/md.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 69af3b8..a43539e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -6527,11 +6527,15 @@ void md_do_sync(mddev_t *mddev) set_bit(MD_CHANGE_DEVS, &mddev->flags); skip: + if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { + /* We completed so min/max setting can be forgotten if used. */ + if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) + mddev->resync_min = 0; + mddev->resync_max = MaxSector; + } else if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) + mddev->resync_min = mddev->curr_resync_completed; mddev->curr_resync = 0; mddev->curr_resync_completed = 0; - if (!test_bit(MD_RECOVERY_INTR, &mddev->recovery)) - /* We completed so max setting can be forgotten. */ - mddev->resync_max = MaxSector; sysfs_notify(&mddev->kobj, NULL, "sync_completed"); wake_up(&resync_wait); set_bit(MD_RECOVERY_DONE, &mddev->recovery);