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>
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bb45185de2
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@ -3412,8 +3412,12 @@ static int w_go_diskless(struct drbd_work *w, int unused)
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* end up here after a failed attach, before ldev was even assigned.
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*/
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if (mdev->bitmap && mdev->ldev) {
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/* An interrupted resync or similar is allowed to recounts bits
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* while we detach.
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* Any modifications would not be expected anymore, though.
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*/
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if (drbd_bitmap_io_from_worker(mdev, drbd_bm_write,
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"detach", BM_LOCKED_MASK)) {
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"detach", BM_LOCKED_TEST_ALLOWED)) {
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if (test_bit(WAS_READ_ERROR, &mdev->flags)) {
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drbd_md_set_flag(mdev, MDF_FULL_SYNC);
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drbd_md_sync(mdev);
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