[md PATCH 02/22] md: adjust resync_min usefully when resync aborts.
From: NeilBrown <hidden>
Date: 2009-12-04 06:48:02
Subsystem:
software raid (multiple disks) support, the rest · Maintainers:
Song Liu, Yu Kuai, Linus Torvalds
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 <redacted> --- 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);