diff --git a/fs/ocfs2/dlm/userdlm.c b/fs/ocfs2/dlmfs/userdlm.c
similarity index 66%
rename from fs/ocfs2/dlm/userdlm.c
rename to fs/ocfs2/dlmfs/userdlm.c
index 4cb1d3d..0499e3f 100644
--- a/fs/ocfs2/dlm/userdlm.c
+++ b/fs/ocfs2/dlmfs/userdlm.c
@@ -34,18 +34,19 @@
#include <linux/types.h>
#include <linux/crc32.h>
-
-#include "cluster/nodemanager.h"
-#include "cluster/heartbeat.h"
-#include "cluster/tcp.h"
-
-#include "dlmapi.h"
-
+#include "ocfs2_lockingver.h"
+#include "stackglue.h"
#include "userdlm.h"
#define MLOG_MASK_PREFIX ML_DLMFS
#include "cluster/masklog.h"
+
+static inline struct user_lock_res *user_lksb_to_lock_res(struct ocfs2_dlm_lksb *lksb)
+{
+ return container_of(lksb, struct user_lock_res, l_lksb);
+}
+
static inline int user_check_wait_flag(struct user_lock_res *lockres,
int flag)
{
@@ -73,15 +74,15 @@ static inline void user_wait_on_blocked_lock(struct user_lock_res *lockres)
}
/* I heart container_of... */
-static inline struct dlm_ctxt *
-dlm_ctxt_from_user_lockres(struct user_lock_res *lockres)
+static inline struct ocfs2_cluster_connection *
+cluster_connection_from_user_lockres(struct user_lock_res *lockres)
{
struct dlmfs_inode_private *ip;
ip = container_of(lockres,
struct dlmfs_inode_private,
ip_lockres);
- return ip->ip_dlm;
+ return ip->ip_conn;
}
static struct inode *
@@ -103,9 +104,9 @@ static inline void user_recover_from_dlm_error(struct user_lock_res *lockres)
}
#define user_log_dlm_error(_func, _stat, _lockres) do { \
- mlog(ML_ERROR, "Dlm error \"%s\" while calling %s on " \
- "resource %.*s: %s\n", dlm_errname(_stat), _func, \
- _lockres->l_namelen, _lockres->l_name, dlm_errmsg(_stat)); \
+ mlog(ML_ERROR, "Dlm error %d while calling %s on " \
+ "resource %.*s\n", _stat, _func, \
+ _lockres->l_namelen, _lockres->l_name); \
} while (0)
/* WARNING: This function lives in a world where the only three lock
@@ -113,34 +114,35 @@ static inline void user_recover_from_dlm_error(struct user_lock_res *lockres)
* lock types are added. */
static inline int user_highest_compat_lock_level(int level)
{
- int new_level = LKM_EXMODE;
+ int new_level = DLM_LOCK_EX;
- if (level == LKM_EXMODE)
- new_level = LKM_NLMODE;
- else if (level == LKM_PRMODE)
- new_level = LKM_PRMODE;
+ if (level == DLM_LOCK_EX)
+ new_level = DLM_LOCK_NL;
+ else if (level == DLM_LOCK_PR)
+ new_level = DLM_LOCK_PR;
return new_level;
}
-static void user_ast(void *opaque)
+static void user_ast(struct ocfs2_dlm_lksb *lksb)
{
- struct user_lock_res *lockres = opaque;
- struct dlm_lockstatus *lksb;
+ struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
+ int status;
- mlog(0, "AST fired for lockres %.*s\n", lockres->l_namelen,
- lockres->l_name);
+ mlog(ML_BASTS, "AST fired for lockres %.*s, level %d => %d\n",
+ lockres->l_namelen, lockres->l_name, lockres->l_level,
+ lockres->l_requested);
spin_lock(&lockres->l_lock);
- lksb = &(lockres->l_lksb);
- if (lksb->status != DLM_NORMAL) {
+ status = ocfs2_dlm_lock_status(&lockres->l_lksb);
+ if (status) {
mlog(ML_ERROR, "lksb status value of %u on lockres %.*s\n",
- lksb->status, lockres->l_namelen, lockres->l_name);
+ status, lockres->l_namelen, lockres->l_name);
spin_unlock(&lockres->l_lock);
return;
}
- mlog_bug_on_msg(lockres->l_requested == LKM_IVMODE,
+ mlog_bug_on_msg(lockres->l_requested == DLM_LOCK_IV,
"Lockres %.*s, requested ivmode. flags 0x%x\n",
lockres->l_namelen, lockres->l_name, lockres->l_flags);
@@ -148,13 +150,13 @@ static void user_ast(void *opaque)
if (lockres->l_requested < lockres->l_level) {
if (lockres->l_requested <=
user_highest_compat_lock_level(lockres->l_blocking)) {
- lockres->l_blocking = LKM_NLMODE;
+ lockres->l_blocking = DLM_LOCK_NL;
lockres->l_flags &= ~USER_LOCK_BLOCKED;
}
}
lockres->l_level = lockres->l_requested;
- lockres->l_requested = LKM_IVMODE;
+ lockres->l_requested = DLM_LOCK_IV;
lockres->l_flags |= USER_LOCK_ATTACHED;
lockres->l_flags &= ~USER_LOCK_BUSY;
@@ -193,11 +195,11 @@ static void __user_dlm_cond_queue_lockres(struct user_lock_res *lockres)
return;
switch (lockres->l_blocking) {
- case LKM_EXMODE:
+ case DLM_LOCK_EX:
if (!lockres->l_ex_holders && !lockres->l_ro_holders)
queue = 1;
break;
- case LKM_PRMODE:
+ case DLM_LOCK_PR:
if (!lockres->l_ex_holders)
queue = 1;
break;
@@ -209,12 +211,12 @@ static void __user_dlm_cond_queue_lockres(struct user_lock_res *lockres)
__user_dlm_queue_lockres(lockres);
}
-static void user_bast(void *opaque, int level)
+static void user_bast(struct ocfs2_dlm_lksb *lksb, int level)
{
- struct user_lock_res *lockres = opaque;
+ struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
- mlog(0, "Blocking AST fired for lockres %.*s. Blocking level %d\n",
- lockres->l_namelen, lockres->l_name, level);
+ mlog(ML_BASTS, "BAST fired for lockres %.*s, blocking %d, level %d\n",
+ lockres->l_namelen, lockres->l_name, level, lockres->l_level);
spin_lock(&lockres->l_lock);
lockres->l_flags |= USER_LOCK_BLOCKED;
@@ -227,15 +229,15 @@ static void user_bast(void *opaque, int level)
wake_up(&lockres->l_event);
}
-static void user_unlock_ast(void *opaque, enum dlm_status status)
+static void user_unlock_ast(struct ocfs2_dlm_lksb *lksb, int status)
{
- struct user_lock_res *lockres = opaque;
+ struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
- mlog(0, "UNLOCK AST called on lock %.*s\n", lockres->l_namelen,
- lockres->l_name);
+ mlog(ML_BASTS, "UNLOCK AST fired for lockres %.*s, flags 0x%x\n",
+ lockres->l_namelen, lockres->l_name, lockres->l_flags);
- if (status != DLM_NORMAL && status != DLM_CANCELGRANT)
- mlog(ML_ERROR, "Dlm returns status %d\n", status);
+ if (status)
+ mlog(ML_ERROR, "dlm returns status %d\n", status);
spin_lock(&lockres->l_lock);
/* The teardown flag gets set early during the unlock process,
@@ -243,7 +245,7 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
* for a concurrent cancel. */
if (lockres->l_flags & USER_LOCK_IN_TEARDOWN
&& !(lockres->l_flags & USER_LOCK_IN_CANCEL)) {
- lockres->l_level = LKM_IVMODE;
+ lockres->l_level = DLM_LOCK_IV;
} else if (status == DLM_CANCELGRANT) {
/* We tried to cancel a convert request, but it was
* already granted. Don't clear the busy flag - the
@@ -254,7 +256,7 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
} else {
BUG_ON(!(lockres->l_flags & USER_LOCK_IN_CANCEL));
/* Cancel succeeded, we want to re-queue */
- lockres->l_requested = LKM_IVMODE; /* cancel an
+ lockres->l_requested = DLM_LOCK_IV; /* cancel an
* upconvert
* request. */
lockres->l_flags &= ~USER_LOCK_IN_CANCEL;
@@ -271,6 +273,21 @@ out_noclear:
wake_up(&lockres->l_event);