diff options
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
-rw-r--r-- | drivers/block/drbd/drbd_nl.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 4e0726aa53b0..1292e0620663 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c | |||
@@ -510,7 +510,7 @@ void drbd_resume_io(struct drbd_conf *mdev) | |||
510 | * Returns 0 on success, negative return values indicate errors. | 510 | * Returns 0 on success, negative return values indicate errors. |
511 | * You should call drbd_md_sync() after calling this function. | 511 | * You should call drbd_md_sync() after calling this function. |
512 | */ | 512 | */ |
513 | enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev) __must_hold(local) | 513 | enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, int force) __must_hold(local) |
514 | { | 514 | { |
515 | sector_t prev_first_sect, prev_size; /* previous meta location */ | 515 | sector_t prev_first_sect, prev_size; /* previous meta location */ |
516 | sector_t la_size; | 516 | sector_t la_size; |
@@ -541,7 +541,7 @@ enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev) __must_ho | |||
541 | /* TODO: should only be some assert here, not (re)init... */ | 541 | /* TODO: should only be some assert here, not (re)init... */ |
542 | drbd_md_set_sector_offsets(mdev, mdev->ldev); | 542 | drbd_md_set_sector_offsets(mdev, mdev->ldev); |
543 | 543 | ||
544 | size = drbd_new_dev_size(mdev, mdev->ldev); | 544 | size = drbd_new_dev_size(mdev, mdev->ldev, force); |
545 | 545 | ||
546 | if (drbd_get_capacity(mdev->this_bdev) != size || | 546 | if (drbd_get_capacity(mdev->this_bdev) != size || |
547 | drbd_bm_capacity(mdev) != size) { | 547 | drbd_bm_capacity(mdev) != size) { |
@@ -596,7 +596,7 @@ out: | |||
596 | } | 596 | } |
597 | 597 | ||
598 | sector_t | 598 | sector_t |
599 | drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev) | 599 | drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev, int assume_peer_has_space) |
600 | { | 600 | { |
601 | sector_t p_size = mdev->p_size; /* partner's disk size. */ | 601 | sector_t p_size = mdev->p_size; /* partner's disk size. */ |
602 | sector_t la_size = bdev->md.la_size_sect; /* last agreed size. */ | 602 | sector_t la_size = bdev->md.la_size_sect; /* last agreed size. */ |
@@ -606,6 +606,11 @@ drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev) | |||
606 | 606 | ||
607 | m_size = drbd_get_max_capacity(bdev); | 607 | m_size = drbd_get_max_capacity(bdev); |
608 | 608 | ||
609 | if (mdev->state.conn < C_CONNECTED && assume_peer_has_space) { | ||
610 | dev_warn(DEV, "Resize while not connected was forced by the user!\n"); | ||
611 | p_size = m_size; | ||
612 | } | ||
613 | |||
609 | if (p_size && m_size) { | 614 | if (p_size && m_size) { |
610 | size = min_t(sector_t, p_size, m_size); | 615 | size = min_t(sector_t, p_size, m_size); |
611 | } else { | 616 | } else { |
@@ -965,7 +970,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp | |||
965 | 970 | ||
966 | /* Prevent shrinking of consistent devices ! */ | 971 | /* Prevent shrinking of consistent devices ! */ |
967 | if (drbd_md_test_flag(nbc, MDF_CONSISTENT) && | 972 | if (drbd_md_test_flag(nbc, MDF_CONSISTENT) && |
968 | drbd_new_dev_size(mdev, nbc) < nbc->md.la_size_sect) { | 973 | drbd_new_dev_size(mdev, nbc, 0) < nbc->md.la_size_sect) { |
969 | dev_warn(DEV, "refusing to truncate a consistent device\n"); | 974 | dev_warn(DEV, "refusing to truncate a consistent device\n"); |
970 | retcode = ERR_DISK_TO_SMALL; | 975 | retcode = ERR_DISK_TO_SMALL; |
971 | goto force_diskless_dec; | 976 | goto force_diskless_dec; |
@@ -1052,7 +1057,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp | |||
1052 | !drbd_md_test_flag(mdev->ldev, MDF_CONNECTED_IND)) | 1057 | !drbd_md_test_flag(mdev->ldev, MDF_CONNECTED_IND)) |
1053 | set_bit(USE_DEGR_WFC_T, &mdev->flags); | 1058 | set_bit(USE_DEGR_WFC_T, &mdev->flags); |
1054 | 1059 | ||
1055 | dd = drbd_determin_dev_size(mdev); | 1060 | dd = drbd_determin_dev_size(mdev, 0); |
1056 | if (dd == dev_size_error) { | 1061 | if (dd == dev_size_error) { |
1057 | retcode = ERR_NOMEM_BITMAP; | 1062 | retcode = ERR_NOMEM_BITMAP; |
1058 | goto force_diskless_dec; | 1063 | goto force_diskless_dec; |
@@ -1271,7 +1276,7 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, | |||
1271 | goto fail; | 1276 | goto fail; |
1272 | } | 1277 | } |
1273 | 1278 | ||
1274 | if (crypto_tfm_alg_type(crypto_hash_tfm(tfm)) != CRYPTO_ALG_TYPE_SHASH) { | 1279 | if (!drbd_crypto_is_hash(crypto_hash_tfm(tfm))) { |
1275 | retcode = ERR_AUTH_ALG_ND; | 1280 | retcode = ERR_AUTH_ALG_ND; |
1276 | goto fail; | 1281 | goto fail; |
1277 | } | 1282 | } |
@@ -1504,7 +1509,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp, | |||
1504 | } | 1509 | } |
1505 | 1510 | ||
1506 | mdev->ldev->dc.disk_size = (sector_t)rs.resize_size; | 1511 | mdev->ldev->dc.disk_size = (sector_t)rs.resize_size; |
1507 | dd = drbd_determin_dev_size(mdev); | 1512 | dd = drbd_determin_dev_size(mdev, rs.resize_force); |
1508 | drbd_md_sync(mdev); | 1513 | drbd_md_sync(mdev); |
1509 | put_ldev(mdev); | 1514 | put_ldev(mdev); |
1510 | if (dd == dev_size_error) { | 1515 | if (dd == dev_size_error) { |