From 6495d2c6d04f4c45411fdb1b40527c24015f39d6 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Wed, 24 Mar 2010 16:07:04 +0100 Subject: [PATCH] drbd: Implemented the --assume-clean option for drbdsetup resize Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_nl.c | 11 +++++++++-- include/linux/drbd.h | 3 ++- include/linux/drbd_nl.h | 1 + 3 files changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 6f7933376a11..19b9a2851e7b 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -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: diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 4341b1a97a34..7944dd36ee3e 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -56,7 +56,7 @@ extern const char *drbd_buildtag(void); #define REL_VERSION "8.3.7" #define API_VERSION 88 #define PRO_VERSION_MIN 86 -#define PRO_VERSION_MAX 92 +#define PRO_VERSION_MAX 93 enum drbd_io_error_p { @@ -139,6 +139,7 @@ enum drbd_ret_codes { ERR_DATA_NOT_CURRENT = 150, ERR_CONNECTED = 151, /* DRBD 8.3 only */ ERR_PERM = 152, + ERR_NEED_APV_93 = 153, /* insert new ones above this line */ AFTER_LAST_ERR_CODE diff --git a/include/linux/drbd_nl.h b/include/linux/drbd_nl.h index f7431a4ca608..de055c07c2ba 100644 --- a/include/linux/drbd_nl.h +++ b/include/linux/drbd_nl.h @@ -71,6 +71,7 @@ NL_PACKET(disconnect, 6, ) NL_PACKET(resize, 7, NL_INT64( 29, T_MAY_IGNORE, resize_size) NL_BIT( 68, T_MAY_IGNORE, resize_force) + NL_BIT( 69, T_MANDATORY, no_resync) ) NL_PACKET(syncer_conf, 8,