#include <linux/jhash.h>
#include <linux/miscdevice.h>
#include <linux/mutex.h>
-#include <asm/semaphore.h>
#include <asm/uaccess.h>
#include <linux/dlm.h>
#include "config.h"
-#define DLM_LOCKSPACE_LEN 64
-
/* Size of the temp buffer midcomms allocates on the stack.
We try to make this large enough so most messages fit.
FIXME: should sctp make this unnecessary? */
} \
}
-#define DLM_FAKE_USER_AST ERR_PTR(-EINVAL)
-
struct dlm_direntry {
struct list_head list;
struct dlm_recover {
struct list_head list;
- int *nodeids;
+ int *nodeids; /* nodeids of all members */
int node_count;
+ int *new; /* nodeids of new members */
+ int new_count;
uint64_t seq;
};
struct dlm_args {
uint32_t flags;
- void *astaddr;
- long astparam;
- void *bastaddr;
+ void (*astfn) (void *astparam);
+ void *astparam;
+ void (*bastfn) (void *astparam, int mode);
int mode;
struct dlm_lksb *lksb;
unsigned long timeout;
char *lkb_lvbptr;
struct dlm_lksb *lkb_lksb; /* caller's status block */
- void *lkb_astaddr; /* caller's ast function */
- void *lkb_bastaddr; /* caller's bast function */
- long lkb_astparam; /* caller's ast arg */
+ void (*lkb_astfn) (void *astparam);
+ void (*lkb_bastfn) (void *astparam, int mode);
+ union {
+ void *lkb_astparam; /* caller's ast arg */
+ struct dlm_user_args *lkb_ua;
+ };
};
char rc_buf[0];
};
+union dlm_packet {
+ struct dlm_header header; /* common to other two */
+ struct dlm_message message;
+ struct dlm_rcom rcom;
+};
+
struct rcom_config {
- uint32_t rf_lvblen;
- uint32_t rf_lsflags;
- uint64_t rf_unused;
+ __le32 rf_lvblen;
+ __le32 rf_lsflags;
+ __le64 rf_unused;
};
struct rcom_lock {
- uint32_t rl_ownpid;
- uint32_t rl_lkid;
- uint32_t rl_remid;
- uint32_t rl_parent_lkid;
- uint32_t rl_parent_remid;
- uint32_t rl_exflags;
- uint32_t rl_flags;
- uint32_t rl_lvbseq;
- int rl_result;
+ __le32 rl_ownpid;
+ __le32 rl_lkid;
+ __le32 rl_remid;
+ __le32 rl_parent_lkid;
+ __le32 rl_parent_remid;
+ __le32 rl_exflags;
+ __le32 rl_flags;
+ __le32 rl_lvbseq;
+ __le32 rl_result;
int8_t rl_rqmode;
int8_t rl_grmode;
int8_t rl_status;
int8_t rl_asts;
- uint16_t rl_wait_type;
- uint16_t rl_namelen;
+ __le16 rl_wait_type;
+ __le16 rl_namelen;
char rl_name[DLM_RESNAME_MAXLEN];
char rl_lvb[0];
};
struct rw_semaphore ls_recv_active; /* block dlm_recv */
struct list_head ls_requestqueue;/* queue remote requests */
struct mutex ls_requestqueue_mutex;
- char *ls_recover_buf;
+ struct dlm_rcom *ls_recover_buf;
int ls_recover_nodeid; /* for debugging */
uint64_t ls_rcom_seq;
spinlock_t ls_rcom_spin;
int dlm_netlink_init(void);
void dlm_netlink_exit(void);
void dlm_timeout_warn(struct dlm_lkb *lkb);
+int dlm_plock_init(void);
+void dlm_plock_exit(void);
#ifdef CONFIG_DLM_DEBUG
int dlm_register_debugfs(void);