mtd: davinci nand: update clock naming

[safe/jmp/linux-2.6] / drivers / md / raid5.c

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 3bbc6d6..5d400ae 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3811,13 +3811,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
        safepos = conf->reshape_safe;
        sector_div(safepos, data_disks);
        if (mddev->delta_disks < 0) {
-               writepos -= reshape_sectors;
+               writepos -= min_t(sector_t, reshape_sectors, writepos);
                readpos += reshape_sectors;
                safepos += reshape_sectors;
        } else {
                writepos += reshape_sectors;
-               readpos -= reshape_sectors;
-               safepos -= reshape_sectors;
+               readpos -= min_t(sector_t, reshape_sectors, readpos);
+               safepos -= min_t(sector_t, reshape_sectors, safepos);
        }
 
        /* 'writepos' is the most advanced device address we might write.
@@ -3845,6 +3845,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                wait_event(conf->wait_for_overlap,
                           atomic_read(&conf->reshape_stripes)==0);
                mddev->reshape_position = conf->reshape_progress;
+               mddev->curr_resync_completed = mddev->curr_resync;
                conf->reshape_checkpoint = jiffies;
                set_bit(MD_CHANGE_DEVS, &mddev->flags);
                md_wakeup_thread(mddev->thread);
@@ -3854,6 +3855,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                conf->reshape_safe = mddev->reshape_position;
                spin_unlock_irq(&conf->device_lock);
                wake_up(&conf->wait_for_overlap);
+               sysfs_notify(&mddev->kobj, NULL, "sync_completed");
        }
 
        if (mddev->delta_disks < 0) {
@@ -3938,11 +3940,13 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
         * then we need to write out the superblock.
         */
        sector_nr += reshape_sectors;
-       if (sector_nr >= mddev->resync_max) {
+       if ((sector_nr - mddev->curr_resync_completed) * 2
+           >= mddev->resync_max - mddev->curr_resync_completed) {
                /* Cannot proceed until we've updated the superblock... */
                wait_event(conf->wait_for_overlap,
                           atomic_read(&conf->reshape_stripes) == 0);
                mddev->reshape_position = conf->reshape_progress;
+               mddev->curr_resync_completed = mddev->curr_resync;
                conf->reshape_checkpoint = jiffies;
                set_bit(MD_CHANGE_DEVS, &mddev->flags);
                md_wakeup_thread(mddev->thread);
@@ -3953,6 +3957,7 @@ static sector_t reshape_request(mddev_t *mddev, sector_t sector_nr, int *skipped
                conf->reshape_safe = mddev->reshape_position;
                spin_unlock_irq(&conf->device_lock);
                wake_up(&conf->wait_for_overlap);
+               sysfs_notify(&mddev->kobj, NULL, "sync_completed");
        }
        return reshape_sectors;
 }