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

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-03-24 16:07:04 +01:00
parent b4ee79dac3
commit 6495d2c6d0
3 changed files with 12 additions and 3 deletions
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11
drivers/block/drbd/drbd_nl.c
View File

@ -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:

3
include/linux/drbd.h
View File

@ -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

1
include/linux/drbd_nl.h
View File

@ -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,