drbd: drbd_bm_ALe_set_all(): Remove unused function

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index fcbc5e1ca50db7d8f77b99d52761a005589296c6..e63dcd9aada64199339230d02391d25eeb09cf72 100644 (file)
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -1661,49 +1661,3 @@ int drbd_bm_e_weight(struct drbd_conf *mdev, unsigned long enr)
        spin_unlock_irqrestore(&b->bm_lock, flags);
        return count;
 }
-
-/* Set all bits covered by the AL-extent al_enr.
- * Returns number of bits changed. */
-unsigned long drbd_bm_ALe_set_all(struct drbd_conf *mdev, unsigned long al_enr)
-{
-       struct drbd_bitmap *b = mdev->bitmap;
-       unsigned long *p_addr, *bm;
-       unsigned long weight;
-       unsigned long s, e;
-       int count, i, do_now;
-       if (!expect(b))
-               return 0;
-       if (!expect(b->bm_pages))
-               return 0;
-
-       spin_lock_irq(&b->bm_lock);
-       if (BM_DONT_SET & b->bm_flags)
-               bm_print_lock_info(mdev);
-       weight = b->bm_set;
-
-       s = al_enr * BM_WORDS_PER_AL_EXT;
-       e = min_t(size_t, s + BM_WORDS_PER_AL_EXT, b->bm_words);
-       /* assert that s and e are on the same page */
-       D_ASSERT((e-1) >> (PAGE_SHIFT - LN2_BPL + 3)
-             ==  s    >> (PAGE_SHIFT - LN2_BPL + 3));
-       count = 0;
-       if (s < b->bm_words) {
-               i = do_now = e-s;
-               p_addr = bm_map_pidx(b, bm_word_to_page_idx(b, s));
-               bm = p_addr + MLPP(s);
-               while (i--) {
-                       count += hweight_long(*bm);
-                       *bm = -1UL;
-                       bm++;
-               }
-               bm_unmap(p_addr);
-               b->bm_set += do_now*BITS_PER_LONG - count;
-               if (e == b->bm_words)
-                       b->bm_set -= bm_clear_surplus(b);
-       } else {
-               dev_err(DEV, "start offset (%lu) too large in drbd_bm_ALe_set_all\n", s);
-       }
-       weight = b->bm_set - weight;
-       spin_unlock_irq(&b->bm_lock);
-       return weight;
-}

diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index e2cccb40f5af32f8a73ed83b9582f3961382c709..8001b7a2063be629c9845983fe89fbeb01c21ba3 100644 (file)
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -1310,8 +1310,6 @@ extern int  drbd_bm_read(struct drbd_conf *mdev) __must_hold(local);
 extern void drbd_bm_mark_for_writeout(struct drbd_conf *mdev, int page_nr);
 extern int  drbd_bm_write(struct drbd_conf *mdev) __must_hold(local);
 extern int  drbd_bm_write_hinted(struct drbd_conf *mdev) __must_hold(local);
-extern unsigned long drbd_bm_ALe_set_all(struct drbd_conf *mdev,
-               unsigned long al_enr);
 extern size_t       drbd_bm_words(struct drbd_conf *mdev);
 extern unsigned long drbd_bm_bits(struct drbd_conf *mdev);
 extern sector_t      drbd_bm_capacity(struct drbd_conf *mdev);