diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index f943aacfdad8..2d7f608d181c 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -832,6 +832,7 @@ struct drbd_tconn { /* is a resource from the config file */ unsigned susp_nod:1; /* IO suspended because no data */ unsigned susp_fen:1; /* IO suspended because fence peer handler runs */ struct mutex cstate_mutex; /* Protects graceful disconnects */ + unsigned int connect_cnt; /* Inc each time a connection is established */ unsigned long flags; struct net_conf *net_conf; /* content protected by rcu */ @@ -1132,6 +1133,7 @@ extern void drbd_mdev_cleanup(struct drbd_conf *mdev); void drbd_print_uuids(struct drbd_conf *mdev, const char *text); extern void conn_md_sync(struct drbd_tconn *tconn); +extern void drbd_md_write(struct drbd_conf *mdev, void *buffer); extern void drbd_md_sync(struct drbd_conf *mdev); extern int drbd_md_read(struct drbd_conf *mdev, struct drbd_backing_dev *bdev); extern void drbd_uuid_set(struct drbd_conf *mdev, int idx, u64 val) __must_hold(local); @@ -1466,8 +1468,16 @@ extern void drbd_suspend_io(struct drbd_conf *mdev); extern void drbd_resume_io(struct drbd_conf *mdev); extern char *ppsize(char *buf, unsigned long long size); extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, sector_t, int); -enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 }; -extern enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local); +enum determine_dev_size { + DS_ERROR_SHRINK = -3, + DS_ERROR_SPACE_MD = -2, + DS_ERROR = -1, + DS_UNCHANGED = 0, + DS_SHRUNK = 1, + DS_GREW = 2 +}; +extern enum determine_dev_size +drbd_determine_dev_size(struct drbd_conf *, enum dds_flags, struct resize_parms *) __must_hold(local); extern void resync_after_online_grow(struct drbd_conf *); extern void drbd_reconsider_max_bio_size(struct drbd_conf *mdev); extern enum drbd_state_rv drbd_set_role(struct drbd_conf *mdev, @@ -1633,6 +1643,7 @@ extern int __drbd_set_out_of_sync(struct drbd_conf *mdev, sector_t sector, #define drbd_set_out_of_sync(mdev, sector, size) \ __drbd_set_out_of_sync(mdev, sector, size, __FILE__, __LINE__) extern void drbd_al_shrink(struct drbd_conf *mdev); +extern int drbd_initialize_al(struct drbd_conf *, void *); /* drbd_nl.c */ /* state info broadcast */ |