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drbd: Kill code duplication 

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Philipp Reisner 2016-06-14 00:26:12 +02:00 committed by Jens Axboe
parent be115b69f1
commit c5c2385481
1 changed files with 10 additions and 8 deletions
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18
drivers/block/drbd/drbd_nl.c
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@ -1348,6 +1348,14 @@ static bool write_ordering_changed(struct disk_conf *a, struct disk_conf *b)
a->disk_drain != b->disk_drain;
}
static void sanitize_disk_conf(struct disk_conf *disk_conf, struct drbd_backing_dev *nbc)
{
if (disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)
disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;
if (disk_conf->al_extents > drbd_al_extents_max(nbc))
disk_conf->al_extents = drbd_al_extents_max(nbc);
}
int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
{
struct drbd_config_context adm_ctx;
@ -1395,10 +1403,7 @@ int drbd_adm_disk_opts(struct sk_buff *skb, struct genl_info *info)
if (!expect(new_disk_conf->resync_rate >= 1))
new_disk_conf->resync_rate = 1;
if (new_disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)
new_disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;
if (new_disk_conf->al_extents > drbd_al_extents_max(device->ldev))
new_disk_conf->al_extents = drbd_al_extents_max(device->ldev);
sanitize_disk_conf(new_disk_conf, device->ldev);
if (new_disk_conf->c_plan_ahead > DRBD_C_PLAN_AHEAD_MAX)
new_disk_conf->c_plan_ahead = DRBD_C_PLAN_AHEAD_MAX;
@ -1693,10 +1698,7 @@ int drbd_adm_attach(struct sk_buff *skb, struct genl_info *info)
if (retcode != NO_ERROR)
goto fail;
if (new_disk_conf->al_extents < DRBD_AL_EXTENTS_MIN)
new_disk_conf->al_extents = DRBD_AL_EXTENTS_MIN;
if (new_disk_conf->al_extents > drbd_al_extents_max(nbc))
new_disk_conf->al_extents = drbd_al_extents_max(nbc);
sanitize_disk_conf(new_disk_conf, nbc);
if (drbd_get_max_capacity(nbc) < new_disk_conf->disk_size) {
drbd_err(device, "max capacity %llu smaller than disk size %llu\n",