diff options
Diffstat (limited to 'fs/ocfs2/stackglue.h')
| -rw-r--r-- | fs/ocfs2/stackglue.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h index d88bc655644..005e4f170e0 100644 --- a/fs/ocfs2/stackglue.h +++ b/fs/ocfs2/stackglue.h @@ -26,6 +26,7 @@ #include <linux/dlmconstants.h> #include "dlm/dlmapi.h" +#include <linux/dlm.h> /* * dlmconstants.h does not have a LOCAL flag. We hope to remove it @@ -60,6 +61,17 @@ struct ocfs2_locking_protocol { void (*lp_unlock_ast)(void *astarg, int error); }; + +/* + * The dlm_lockstatus struct includes lvb space, but the dlm_lksb struct only + * has a pointer to separately allocated lvb space. This struct exists only to + * include in the lksb union to make space for a combined dlm_lksb and lvb. + */ +struct fsdlm_lksb_plus_lvb { + struct dlm_lksb lksb; + char lvb[DLM_LVB_LEN]; +}; + /* * A union of all lock status structures. We define it here so that the * size of the union is known. Lock status structures are embedded in @@ -67,6 +79,8 @@ struct ocfs2_locking_protocol { */ union ocfs2_dlm_lksb { struct dlm_lockstatus lksb_o2dlm; + struct dlm_lksb lksb_fsdlm; + struct fsdlm_lksb_plus_lvb padding; }; /* @@ -221,17 +235,18 @@ int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn, void ocfs2_cluster_hangup(const char *group, int grouplen); int ocfs2_cluster_this_node(unsigned int *node); +struct ocfs2_lock_res; int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn, int mode, union ocfs2_dlm_lksb *lksb, u32 flags, void *name, unsigned int namelen, - void *astarg); + struct ocfs2_lock_res *astarg); int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn, union ocfs2_dlm_lksb *lksb, u32 flags, - void *astarg); + struct ocfs2_lock_res *astarg); int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb); void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb); |