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drbd: Implemented the --assume-clean option for drbdsetup resize

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Signed-off-by: Philipp Reisner <[email protected]>
Signed-off-by: Lars Ellenberg <[email protected]>
This commit is contained in:
Philipp Reisner 2010-03-24 16:07:04 +01:00
commit 6495d2c6d0
3 changed files with 12 additions and 3 deletions
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11
drivers/block/drbd/drbd_nl.c
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@ -1479,6 +1479,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
int retcode = NO_ERROR;
int ldsc = 0; /* local disk size changed */
enum determine_dev_size dd;
enum dds_flags ddsf;
memset(&rs, 0, sizeof(struct resize));
if (!resize_from_tags(mdev, nlp->tag_list, &rs)) {
@ -1502,13 +1503,19 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
goto fail;
}
if (rs.no_resync && mdev->agreed_pro_version < 93) {
retcode = ERR_NEED_APV_93;
goto fail;
}
if (mdev->ldev->known_size != drbd_get_capacity(mdev->ldev->backing_bdev)) {
mdev->ldev->known_size = drbd_get_capacity(mdev->ldev->backing_bdev);
ldsc = 1;
}
mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
dd = drbd_determin_dev_size(mdev, rs.resize_force ? DDSF_FORCED : 0);
ddsf = (rs.resize_force ? DDSF_FORCED : 0) | (rs.no_resync ? DDSF_NO_RESYNC : 0);
dd = drbd_determin_dev_size(mdev, ddsf);
drbd_md_sync(mdev);
put_ldev(mdev);
if (dd == dev_size_error) {
@ -1521,7 +1528,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
set_bit(RESIZE_PENDING, &mdev->flags);
drbd_send_uuids(mdev);
drbd_send_sizes(mdev, 1, 0);
drbd_send_sizes(mdev, 1, ddsf);
}
fail: