From c5c2385481971a587b4f036d640cc585d75601a0 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Tue, 14 Jun 2016 00:26:12 +0200 Subject: [PATCH] drbd: Kill code duplication Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg Signed-off-by: Jens Axboe --- drivers/block/drbd/drbd_nl.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 0bac9c8246bc..fad03e4feef6 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -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", -- 2.39.2