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authorLars Ellenberg <lars.ellenberg@linbit.com>2010-12-16 14:47:39 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2011-03-10 11:43:29 +0100
commit02851e9f00d78dbc8ded0aacbf9bf3b631d627b3 (patch)
treed7a5611fef479c13ff70cccace8f22a963ba6df8 /drivers/block/drbd/drbd_main.c
parent84e7c0f7d123d64d97e1f789ad2f23a72fe8981f (diff)
drbd: move bitmap write from resync_finished to after_state_change
We must not call it directly from resync_finished, as we may be in either receiver or worker context there. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
-rw-r--r--drivers/block/drbd/drbd_main.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 57ed7181742d..c6c7e3e6dc23 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1548,6 +1548,9 @@ static void after_state_ch(struct drbd_conf *mdev, union drbd_state os,
if (os.disk < D_UP_TO_DATE && os.conn >= C_SYNC_SOURCE && ns.conn == C_CONNECTED)
drbd_send_state(mdev);
+ if (os.conn > C_CONNECTED && ns.conn == C_CONNECTED)
+ drbd_queue_bitmap_io(mdev, &drbd_bm_write, NULL, "write from resync_finished");
+
/* free tl_hash if we Got thawed and are C_STANDALONE */
if (ns.conn == C_STANDALONE && !is_susp(ns) && mdev->tl_hash)
drbd_free_tl_hash(mdev);
@@ -3860,13 +3863,16 @@ int drbd_bmio_clear_n_write(struct drbd_conf *mdev)
static int w_bitmap_io(struct drbd_conf *mdev, struct drbd_work *w, int unused)
{
struct bm_io_work *work = container_of(w, struct bm_io_work, w);
- int rv;
+ int rv = -EIO;
D_ASSERT(atomic_read(&mdev->ap_bio_cnt) == 0);
- drbd_bm_lock(mdev, work->why);
- rv = work->io_fn(mdev);
- drbd_bm_unlock(mdev);
+ if (get_ldev(mdev)) {
+ drbd_bm_lock(mdev, work->why);
+ rv = work->io_fn(mdev);
+ drbd_bm_unlock(mdev);
+ put_ldev(mdev);
+ }
clear_bit(BITMAP_IO, &mdev->flags);
smp_mb__after_clear_bit();