diff options
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 5e5a6abb281..0f73e157dee 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3226,6 +3226,26 @@ static int w_go_diskless(struct drbd_work *w, int unused) * inc/dec it frequently. Once we are D_DISKLESS, no one will touch * the protected members anymore, though, so once put_ldev reaches zero * again, it will be safe to free them. */ + + /* Try to write changed bitmap pages, read errors may have just + * set some bits outside the area covered by the activity log. + * + * If we have an IO error during the bitmap writeout, + * we will want a full sync next time, just in case. + * (Do we want a specific meta data flag for this?) + * + * If that does not make it to stable storage either, + * we cannot do anything about that anymore. */ + if (mdev->bitmap) { + if (drbd_bitmap_io_from_worker(mdev, drbd_bm_write, + "detach", BM_LOCKED_MASK)) { + if (test_bit(WAS_READ_ERROR, &mdev->flags)) { + drbd_md_set_flag(mdev, MDF_FULL_SYNC); + drbd_md_sync(mdev); + } + } + } + drbd_force_state(mdev, NS(disk, D_DISKLESS)); return 0; } |