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author | Philipp Reisner <philipp.reisner@linbit.com> | 2011-05-03 13:27:43 +0200 |
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committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-08 16:55:41 +0100 |
commit | ef5e44a672e444b6957fdccda3f40a5cbe202335 (patch) | |
tree | 7405f97a262d5a643b77c776bd225cbe7ceb5b24 /drivers/block/drbd/drbd_nl.c | |
parent | a0095508cac5c413c7119076b26f536486314ef1 (diff) | |
download | lwn-ef5e44a672e444b6957fdccda3f40a5cbe202335.tar.gz lwn-ef5e44a672e444b6957fdccda3f40a5cbe202335.zip |
drbd: drbd_dew_dev_size() gets the user requests disk_size as argument
Preparing RCU for disk_conf
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_nl.c')
-rw-r--r-- | drivers/block/drbd/drbd_nl.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 3bad1412be69..761a6b97b5c9 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -775,7 +775,7 @@ void drbd_resume_io(struct drbd_conf *mdev) enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *mdev, enum dds_flags flags) __must_hold(local) { sector_t prev_first_sect, prev_size; /* previous meta location */ - sector_t la_size; + sector_t la_size, u_size; sector_t size; char ppb[10]; @@ -803,7 +803,8 @@ enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *mdev, enum dds /* TODO: should only be some assert here, not (re)init... */ drbd_md_set_sector_offsets(mdev, mdev->ldev); - size = drbd_new_dev_size(mdev, mdev->ldev, flags & DDSF_FORCED); + u_size = mdev->ldev->dc.disk_size; + size = drbd_new_dev_size(mdev, mdev->ldev, u_size, flags & DDSF_FORCED); if (drbd_get_capacity(mdev->this_bdev) != size || drbd_bm_capacity(mdev) != size) { @@ -866,12 +867,12 @@ out: } sector_t -drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev, int assume_peer_has_space) +drbd_new_dev_size(struct drbd_conf *mdev, struct drbd_backing_dev *bdev, + sector_t u_size, int assume_peer_has_space) { sector_t p_size = mdev->p_size; /* partner's disk size. */ sector_t la_size = bdev->md.la_size_sect; /* last agreed size. */ sector_t m_size; /* my size */ - sector_t u_size = bdev->dc.disk_size; /* size requested by user. */ sector_t size = 0; m_size = drbd_get_max_capacity(bdev); @@ -1406,7 +1407,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info) /* Prevent shrinking of consistent devices ! */ if (drbd_md_test_flag(nbc, MDF_CONSISTENT) && - drbd_new_dev_size(mdev, nbc, 0) < nbc->md.la_size_sect) { + drbd_new_dev_size(mdev, nbc, nbc->dc.disk_size, 0) < nbc->md.la_size_sect) { dev_warn(DEV, "refusing to truncate a consistent device\n"); retcode = ERR_DISK_TO_SMALL; goto force_diskless_dec; |