[PATCH] md: when resizing an array, we need to update resync_max_sectors as well...

[karo-tx-linux.git] / drivers / md / raid6main.c

diff --git a/drivers/md/raid6main.c b/drivers/md/raid6main.c
index 908edd78a792b35740844a5048f507cb13f1285b..f5ee16805111b9eea157c72f2a2e5b20c9ea2f47 100644 (file)
--- a/drivers/md/raid6main.c
+++ b/drivers/md/raid6main.c
@@ -1570,6 +1570,8 @@ static int make_request (request_queue_t *q, struct bio * bi)
        sector_t logical_sector, last_sector;
        struct stripe_head *sh;
 
+       md_write_start(mddev, bi);
+
        if (bio_data_dir(bi)==WRITE) {
                disk_stat_inc(mddev->gendisk, writes);
                disk_stat_add(mddev->gendisk, write_sectors, bio_sectors(bi));
@@ -1583,8 +1585,7 @@ static int make_request (request_queue_t *q, struct bio * bi)
 
        bi->bi_next = NULL;
        bi->bi_phys_segments = 1;       /* over-loaded to count active stripes */
-       if ( bio_data_dir(bi) == WRITE )
-               md_write_start(mddev);
+
        for (;logical_sector < last_sector; logical_sector += STRIPE_SECTORS) {
                DEFINE_WAIT(w);
 
@@ -1634,7 +1635,7 @@ static int make_request (request_queue_t *q, struct bio * bi)
 }
 
 /* FIXME go_faster isn't used */
-static int sync_request (mddev_t *mddev, sector_t sector_nr, int go_faster)
+static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, int go_faster)
 {
        raid6_conf_t *conf = (raid6_conf_t *) mddev->private;
        struct stripe_head *sh;
@@ -1657,8 +1658,8 @@ static int sync_request (mddev_t *mddev, sector_t sector_nr, int go_faster)
         * nothing we can do.
         */
        if (mddev->degraded >= 2 && test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) {
-               int rv = (mddev->size << 1) - sector_nr;
-               md_done_sync(mddev, rv, 1);
+               sector_t rv = (mddev->size << 1) - sector_nr;
+               *skipped = 1;
                return rv;
        }
 
@@ -1705,7 +1706,6 @@ static void raid6d (mddev_t *mddev)
        PRINTK("+++ raid6d active\n");
 
        md_check_recovery(mddev);
-       md_handle_safemode(mddev);
 
        handled = 0;
        spin_lock_irq(&conf->device_lock);
@@ -2095,6 +2095,7 @@ static int raid6_resize(mddev_t *mddev, sector_t sectors)
                set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
        }
        mddev->size = sectors /2;
+       mddev->resync_max_sectors = sectors;
        return 0;
 }