diff options
Diffstat (limited to 'drivers/block/drbd/drbd_state.h')
| -rw-r--r-- | drivers/block/drbd/drbd_state.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h index 6c9d5d4a8a75..cbaeb8018dbf 100644 --- a/drivers/block/drbd/drbd_state.h +++ b/drivers/block/drbd/drbd_state.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ #ifndef DRBD_STATE_H #define DRBD_STATE_H @@ -71,6 +72,10 @@ enum chg_state_flags { CS_DC_SUSP = 1 << 10, CS_DC_MASK = CS_DC_ROLE + CS_DC_PEER + CS_DC_CONN + CS_DC_DISK + CS_DC_PDSK, CS_IGN_OUTD_FAIL = 1 << 11, + + /* Make sure no meta data IO is in flight, by calling + * drbd_md_get_buffer(). Used for graceful detach. */ + CS_INHIBIT_MD_IO = 1 << 12, }; /* drbd_dev_state and drbd_state are different types. This is to stress the @@ -126,7 +131,7 @@ extern enum drbd_state_rv _drbd_set_state(struct drbd_device *, union drbd_state enum chg_state_flags, struct completion *done); extern void print_st_err(struct drbd_device *, union drbd_state, - union drbd_state, int); + union drbd_state, enum drbd_state_rv); enum drbd_state_rv _conn_request_state(struct drbd_connection *connection, union drbd_state mask, union drbd_state val, @@ -156,6 +161,9 @@ static inline int drbd_request_state(struct drbd_device *device, return _drbd_request_state(device, mask, val, CS_VERBOSE + CS_ORDERED); } +/* for use in adm_detach() (drbd_adm_detach(), drbd_adm_down()) */ +int drbd_request_detach_interruptible(struct drbd_device *device); + enum drbd_role conn_highest_role(struct drbd_connection *connection); enum drbd_role conn_highest_peer(struct drbd_connection *connection); enum drbd_disk_state conn_highest_disk(struct drbd_connection *connection); |