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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2011-01-21 22:53:48 +0100 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2011-03-10 11:48:07 +0100 |
| commit | 873b0d5f98ab70e4df7a62b2ef0305373f88f330 (patch) | |
| tree | 28f36e0d6eb1352b842c403d68908dc4246c7604 /drivers/block | |
| parent | e636db5b956950b8b9bfbeb766a637f84bae1e3b (diff) | |
| download | linux-873b0d5f98ab70e4df7a62b2ef0305373f88f330.tar.gz linux-873b0d5f98ab70e4df7a62b2ef0305373f88f330.tar.bz2 linux-873b0d5f98ab70e4df7a62b2ef0305373f88f330.zip | |
drbd: serialize admin requests for new verify run with pending bitmap io
This is an addendum to
drbd: serialize admin requests for new resync with pending bitmap io
It avoids a race that could trigger "FIXME" assert log messages.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index bc0bcb964603..87aaa7fc4d27 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -2106,6 +2106,11 @@ static int drbd_nl_start_ov(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, reply->ret_code = ERR_MANDATORY_TAG; return 0; } + + /* If there is still bitmap IO pending, e.g. previous resync or verify + * just being finished, wait for it before requesting a new resync. */ + wait_event(mdev->misc_wait, !test_bit(BITMAP_IO, &mdev->flags)); + /* w_make_ov_request expects position to be aligned */ mdev->ov_start_sector = args.start_sector & ~BM_SECT_PER_BIT; reply->ret_code = drbd_request_state(mdev,NS(conn,C_VERIFY_S)); |