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| author | Philipp Reisner <philipp.reisner@linbit.com> | 2013-03-27 14:08:39 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2013-03-28 10:10:25 -0600 |
| commit | bb45185de2e90af63a7bc48855de6f870cc216fc (patch) | |
| tree | 6c2d78db55ed259ccfdb2b4002f4bba4a537bca5 /drivers/block/drbd | |
| parent | 0b2dafcd9f8fd38d00398dd3da88225ad1e99726 (diff) | |
| download | linux-bb45185de2e90af63a7bc48855de6f870cc216fc.tar.gz linux-bb45185de2e90af63a7bc48855de6f870cc216fc.tar.xz | |
drbd: fix spurious warning about bitmap being locked from detach
Introduced in drbd: always write bitmap on detach,
the bitmap bulk writeout on detach was indicating
it expected exclusive bitmap access.
Where I meant to say: expect no more modifications,
but testing/counting is still allowed.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/drbd')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index a150b59897a0..67d2bb3bb533 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3412,8 +3412,12 @@ static int w_go_diskless(struct drbd_work *w, int unused) * end up here after a failed attach, before ldev was even assigned. */ if (mdev->bitmap && mdev->ldev) { + /* An interrupted resync or similar is allowed to recounts bits + * while we detach. + * Any modifications would not be expected anymore, though. + */ if (drbd_bitmap_io_from_worker(mdev, drbd_bm_write, - "detach", BM_LOCKED_MASK)) { + "detach", BM_LOCKED_TEST_ALLOWED)) { if (test_bit(WAS_READ_ERROR, &mdev->flags)) { drbd_md_set_flag(mdev, MDF_FULL_SYNC); drbd_md_sync(mdev); |