#include <linux/lustre_dlm.h>
#include <linux/obd_class.h>
+#include <portals/list.h>
#include "ldlm_internal.h"
extern kmem_cache_t *ldlm_resource_slab;
static DECLARE_MUTEX(ldlm_ref_sem);
static int ldlm_refcount = 0;
-/* LDLM state */
+/* LDLM state */
-static struct ldlm_state *ldlm ;
+static struct ldlm_state *ldlm_state;
inline unsigned long round_timeout(unsigned long timeout)
{
wake_up(&expired_lock_thread.elt_waitq);
while (1) {
+ struct list_head *tmp, *n, work_list;
l_wait_event(expired_lock_thread.elt_waitq,
have_expired_locks() ||
expired_lock_thread.elt_state == ELT_TERMINATE,
spin_lock_bh(&expired_lock_thread.elt_lock);
while (!list_empty(expired)) {
- struct ldlm_lock *lock = list_entry(expired->next,
- struct ldlm_lock,
- l_pending_chain);
+ struct ldlm_lock *lock;
+
+ list_add(&work_list, expired);
+ list_del_init(expired);
+
+ list_for_each_entry(lock, &work_list, l_pending_chain) {
+ LDLM_DEBUG(lock, "moving to work list");
+ }
+
spin_unlock_bh(&expired_lock_thread.elt_lock);
- ptlrpc_fail_export(lock->l_export);
+
+ list_for_each_safe(tmp, n, &work_list) {
+ lock = list_entry(tmp, struct ldlm_lock,
+ l_pending_chain);
+ ptlrpc_fail_export(lock->l_export);
+ }
+
+
+ if (!list_empty(&work_list)) {
+ list_for_each_entry(lock, &work_list, l_pending_chain) {
+ LDLM_ERROR(lock, "still on work list!");
+ }
+ }
+ LASSERTF (list_empty(&work_list),
+ "some exports not failed properly\n");
spin_lock_bh(&expired_lock_thread.elt_lock);
}
wake_up(&expired_lock_thread.elt_waitq);
}
+ /*
+ * Make sure the timer will fire again if we have any locks
+ * left.
+ */
+ if (!list_empty(&waiting_locks_list)) {
+ unsigned long timeout_rounded;
+ lock = list_entry(waiting_locks_list.next, struct ldlm_lock,
+ l_pending_chain);
+ timeout_rounded = round_timeout(lock->l_callback_timeout);
+ mod_timer(&waiting_locks_timer, timeout_rounded);
+ }
spin_unlock_bh(&waiting_locks_spinlock);
}
round_timeout(next->l_callback_timeout));
}
}
+
+ spin_lock_bh(&expired_lock_thread.elt_lock);
list_del_init(&lock->l_pending_chain);
+ spin_unlock_bh(&expired_lock_thread.elt_lock);
+
spin_unlock_bh(&waiting_locks_spinlock);
LDLM_DEBUG(lock, "removed");
return 1;
#if 0
if (LTIME_S(CURRENT_TIME) - lock->l_export->exp_last_request_time > 30){
ldlm_failed_ast(lock, -ETIMEDOUT, "Not-attempted blocking");
+ l_unlock(&lock->l_resource->lr_namespace->ns_lock);
RETURN(-ETIMEDOUT);
}
#endif
req = ptlrpc_prep_req(lock->l_export->exp_imp_reverse,
LDLM_BL_CALLBACK, 1, &size, NULL);
- if (!req)
+ if (req == NULL) {
+ l_unlock(&lock->l_resource->lr_namespace->ns_lock);
RETURN(-ENOMEM);
+ }
body = lustre_msg_buf(req->rq_reqmsg, 0, sizeof (*body));
memcpy(&body->lock_handle1, &lock->l_remote_handle,
req->rq_send_state = LUSTRE_IMP_FULL;
req->rq_timeout = 2; /* 2 second timeout for initial AST reply */
rc = ptlrpc_queue_wait(req);
- if (rc == -ETIMEDOUT || rc == -EINTR) {
-#ifdef __KERNEL__
- ldlm_del_waiting_lock(lock);
- ldlm_failed_ast(lock, rc, "blocking");
-#else
- /* XXX
- * Here we treat all clients as liblustre. When BLOCKING AST
- * timeout we don't evicting the client and only cancel
- * the lock.
- * restore to orignial implementation later!!!
- * XXX
- */
- CERROR("BLOCKING AST to client (nid "LPU64") timeout, "
- "simply cancel lock 0x%p\n",
- req->rq_connection->c_peer.peer_nid, lock);
- ldlm_lock_cancel(lock);
- rc = -ERESTART;
-#endif
+ if (rc == -ETIMEDOUT || rc == -EINTR || rc == -ENOTCONN) {
+ LASSERT(lock->l_export);
+ if (lock->l_export->exp_libclient) {
+ CDEBUG(D_HA, "BLOCKING AST to liblustre client (nid "
+ LPU64") timeout, simply cancel lock 0x%p\n",
+ req->rq_peer.peer_nid, lock);
+ ldlm_lock_cancel(lock);
+ rc = -ERESTART;
+ } else {
+ ldlm_del_waiting_lock(lock);
+ ldlm_failed_ast(lock, rc, "blocking");
+ }
} else if (rc) {
if (rc == -EINVAL)
CDEBUG(D_DLMTRACE, "client (nid "LPU64") returned %d "
"from blocking AST for lock %p--normal race\n",
- req->rq_connection->c_peer.peer_nid,
+ req->rq_peer.peer_nid,
req->rq_repmsg->status, lock);
else if (rc == -ENOTCONN)
CDEBUG(D_DLMTRACE, "client (nid "LPU64") returned %d "
"from blocking AST for lock %p--this client was "
"probably rebooted while it held a lock, nothing"
- " serious\n",req->rq_connection->c_peer.peer_nid,
+ " serious\n",req->rq_peer.peer_nid,
req->rq_repmsg->status, lock);
else
CDEBUG(D_ERROR, "client (nid "LPU64") returned %d "
"from blocking AST for lock %p\n",
- req->rq_connection->c_peer.peer_nid,
+ req->rq_peer.peer_nid,
(req->rq_repmsg != NULL)?
req->rq_repmsg->status : 0,
lock);
struct ptlrpc_request *req;
struct timeval granted_time;
long total_enqueue_wait;
- int rc = 0, size = sizeof(*body);
+ int rc = 0, size[2] = {sizeof(*body)}, buffers = 1;
ENTRY;
- if (lock == NULL) {
- LBUG();
- RETURN(-EINVAL);
- }
+ LASSERT(lock != NULL);
do_gettimeofday(&granted_time);
total_enqueue_wait = timeval_sub(&granted_time, &lock->l_enqueued_time);
if (total_enqueue_wait / 1000000 > obd_timeout)
LDLM_ERROR(lock, "enqueue wait took %ldus", total_enqueue_wait);
+ if (lock->l_resource->lr_lvb_len) {
+ buffers = 2;
+ size[1] = lock->l_resource->lr_lvb_len;
+ }
+
req = ptlrpc_prep_req(lock->l_export->exp_imp_reverse,
- LDLM_CP_CALLBACK, 1, &size, NULL);
- if (!req)
+ LDLM_CP_CALLBACK, buffers, size, NULL);
+ if (req == NULL)
RETURN(-ENOMEM);
body = lustre_msg_buf(req->rq_reqmsg, 0, sizeof (*body));
body->lock_flags = flags;
ldlm_lock2desc(lock, &body->lock_desc);
+ if (buffers == 2) {
+ void *lvb = lustre_msg_buf(req->rq_reqmsg, 1,
+ lock->l_resource->lr_lvb_len);
+ memcpy(lvb, lock->l_resource->lr_lvb_data,
+ lock->l_resource->lr_lvb_len);
+ }
+
LDLM_DEBUG(lock, "server preparing completion AST (after %ldus wait)",
total_enqueue_wait);
req->rq_replen = lustre_msg_size(0, NULL);
l_unlock(&lock->l_resource->lr_namespace->ns_lock);
rc = ptlrpc_queue_wait(req);
- if (rc == -ETIMEDOUT || rc == -EINTR) {
+ if (rc == -ETIMEDOUT || rc == -EINTR || rc == -ENOTCONN) {
ldlm_del_waiting_lock(lock);
ldlm_failed_ast(lock, rc, "completion");
+ } else if (rc == -EINVAL) {
+ LDLM_DEBUG(lock, "lost the race -- client no longer has this "
+ "lock");
} else if (rc) {
LDLM_ERROR(lock, "client sent rc %d rq_status %d from "
- "completion AST\n", rc, req->rq_status);
+ "completion AST", rc, req->rq_status);
ldlm_lock_cancel(lock);
/* Server-side AST functions are called from ldlm_reprocess_all,
* which needs to be told to please restart its reprocessing. */
RETURN(rc);
}
+int ldlm_server_glimpse_ast(struct ldlm_lock *lock, void *data)
+{
+ struct ldlm_resource *res = lock->l_resource;
+ struct ldlm_request *body;
+ struct ptlrpc_request *req;
+ int rc = 0, size = sizeof(*body);
+ ENTRY;
+
+ LASSERT(lock != NULL);
+
+ req = ptlrpc_prep_req(lock->l_export->exp_imp_reverse,
+ LDLM_GL_CALLBACK, 1, &size, NULL);
+ if (req == NULL)
+ RETURN(-ENOMEM);
+
+ body = lustre_msg_buf(req->rq_reqmsg, 0, sizeof(*body));
+ memcpy(&body->lock_handle1, &lock->l_remote_handle,
+ sizeof(body->lock_handle1));
+ ldlm_lock2desc(lock, &body->lock_desc);
+
+ size = lock->l_resource->lr_lvb_len;
+ req->rq_replen = lustre_msg_size(1, &size);
+
+ req->rq_send_state = LUSTRE_IMP_FULL;
+ req->rq_timeout = 2; /* 2 second timeout for initial AST reply */
+
+ rc = ptlrpc_queue_wait(req);
+ if (rc == -ETIMEDOUT || rc == -EINTR || rc == -ENOTCONN) {
+ ldlm_del_waiting_lock(lock);
+ ldlm_failed_ast(lock, rc, "glimpse");
+ } else if (rc == -EINVAL) {
+ LDLM_DEBUG(lock, "lost the race -- client no longer has this "
+ "lock");
+ } else if (rc == -ELDLM_NO_LOCK_DATA) {
+ LDLM_DEBUG(lock, "lost a race -- client has a lock, but no "
+ "inode");
+ } else if (rc) {
+ LDLM_ERROR(lock, "client sent rc %d rq_status %d from "
+ "glimpse AST", rc, req->rq_status);
+ } else {
+ rc = res->lr_namespace->ns_lvbo->lvbo_update
+ (res, req->rq_repmsg, 0, 1);
+ }
+ ptlrpc_req_finished(req);
+ RETURN(rc);
+}
+
int ldlm_handle_enqueue(struct ptlrpc_request *req,
ldlm_completion_callback completion_callback,
- ldlm_blocking_callback blocking_callback)
+ ldlm_blocking_callback blocking_callback,
+ ldlm_glimpse_callback glimpse_callback)
{
struct obd_device *obddev = req->rq_export->exp_obd;
struct ldlm_reply *dlm_rep;
struct ldlm_request *dlm_req;
- int rc, size = sizeof(*dlm_rep), cookielen = 0;
+ int rc = 0, size[2] = {sizeof(*dlm_rep)};
__u32 flags;
- ldlm_error_t err;
+ ldlm_error_t err = ELDLM_OK;
struct ldlm_lock *lock = NULL;
void *cookie = NULL;
ENTRY;
lustre_swab_ldlm_request);
if (dlm_req == NULL) {
CERROR ("Can't unpack dlm_req\n");
- RETURN (-EFAULT);
+ GOTO(out, rc = -EFAULT);
}
flags = dlm_req->lock_flags;
- if (dlm_req->lock_desc.l_resource.lr_type == LDLM_PLAIN &&
- (flags & LDLM_FL_HAS_INTENT)) {
- /* In this case, the reply buffer is allocated deep in
- * local_lock_enqueue by the policy function. */
- cookie = req;
- cookielen = sizeof(*req);
- } else {
- rc = lustre_pack_reply(req, 1, &size, NULL);
- if (rc) {
- CERROR("out of memory\n");
- RETURN(-ENOMEM);
- }
- if (dlm_req->lock_desc.l_resource.lr_type != LDLM_PLAIN) {
- cookie = &dlm_req->lock_desc.l_policy_data;
- cookielen = sizeof(ldlm_policy_data_t);
- }
- }
/* The lock's callback data might be set in the policy function */
- lock = ldlm_lock_create(obddev->obd_namespace,
- &dlm_req->lock_handle2,
+ lock = ldlm_lock_create(obddev->obd_namespace, &dlm_req->lock_handle2,
dlm_req->lock_desc.l_resource.lr_name,
dlm_req->lock_desc.l_resource.lr_type,
dlm_req->lock_desc.l_req_mode,
- blocking_callback, completion_callback, NULL);
+ blocking_callback, completion_callback,
+ glimpse_callback, NULL, 0);
if (!lock)
- GOTO(out, err = -ENOMEM);
+ GOTO(out, rc = -ENOMEM);
do_gettimeofday(&lock->l_enqueued_time);
memcpy(&lock->l_remote_handle, &dlm_req->lock_handle1,
&lock->l_export->exp_ldlm_data.led_held_locks);
l_unlock(&lock->l_resource->lr_namespace->ns_lock);
- err = ldlm_lock_enqueue(obddev->obd_namespace, &lock, cookie, cookielen,
- &flags);
+ if (flags & LDLM_FL_HAS_INTENT) {
+ /* In this case, the reply buffer is allocated deep in
+ * local_lock_enqueue by the policy function. */
+ cookie = req;
+ } else {
+ int buffers = 1;
+ if (lock->l_resource->lr_lvb_len) {
+ size[1] = lock->l_resource->lr_lvb_len;
+ buffers = 2;
+ }
+
+ rc = lustre_pack_reply(req, buffers, size, NULL);
+ if (rc)
+ GOTO(out, rc);
+ }
+
+ if (dlm_req->lock_desc.l_resource.lr_type != LDLM_PLAIN)
+ memcpy(&lock->l_policy_data, &dlm_req->lock_desc.l_policy_data,
+ sizeof(ldlm_policy_data_t));
+ if (dlm_req->lock_desc.l_resource.lr_type == LDLM_EXTENT)
+ memcpy(&lock->l_req_extent, &lock->l_policy_data.l_extent,
+ sizeof(lock->l_req_extent));
+
+ err = ldlm_lock_enqueue(obddev->obd_namespace, &lock, cookie, &flags);
if (err)
GOTO(out, err);
dlm_rep = lustre_msg_buf(req->rq_repmsg, 0, sizeof (*dlm_rep));
dlm_rep->lock_flags = flags;
+ ldlm_lock2desc(lock, &dlm_rep->lock_desc);
ldlm_lock2handle(lock, &dlm_rep->lock_handle);
- if (dlm_req->lock_desc.l_resource.lr_type != LDLM_PLAIN) {
- memcpy(&dlm_rep->lock_policy_data, &lock->l_policy_data,
- cookielen);
- }
- if (dlm_rep->lock_flags & LDLM_FL_LOCK_CHANGED) {
- memcpy(&dlm_rep->lock_resource_name, &lock->l_resource->lr_name,
- sizeof(dlm_rep->lock_resource_name));
- dlm_rep->lock_mode = lock->l_req_mode;
- }
/* We never send a blocking AST until the lock is granted, but
* we can tell it right now */
EXIT;
out:
req->rq_status = err;
+ if (req->rq_reply_state == NULL) {
+ err = lustre_pack_reply(req, 0, NULL, NULL);
+ if (rc == 0)
+ rc = err;
+ }
/* The LOCK_CHANGED code in ldlm_lock_enqueue depends on this
* ldlm_reprocess_all. If this moves, revisit that code. -phil */
if (lock) {
LDLM_DEBUG(lock, "server-side enqueue handler, sending reply"
- "(err=%d)", err);
+ "(err=%d, rc=%d)", err, rc);
+
+ if (lock->l_resource->lr_lvb_len > 0) {
+ void *lvb = lustre_msg_buf(req->rq_repmsg, 1,
+ lock->l_resource->lr_lvb_len);
+ memcpy(lvb, lock->l_resource->lr_lvb_data,
+ lock->l_resource->lr_lvb_len);
+ }
+
if (!err && dlm_req->lock_desc.l_resource.lr_type != LDLM_FLOCK)
ldlm_reprocess_all(lock->l_resource);
LDLM_LOCK_PUT(lock);
}
- LDLM_DEBUG_NOLOCK("server-side enqueue handler END (lock %p)", lock);
+ LDLM_DEBUG_NOLOCK("server-side enqueue handler END (lock %p, rc %d)",
+ lock, rc);
- return 0;
+ return rc;
}
int ldlm_handle_convert(struct ptlrpc_request *req)
{
struct ldlm_request *dlm_req;
struct ldlm_lock *lock;
+ struct ldlm_resource *res;
char str[PTL_NALFMT_SIZE];
int rc;
ENTRY;
- dlm_req = lustre_swab_reqbuf (req, 0, sizeof (*dlm_req),
+ dlm_req = lustre_swab_reqbuf(req, 0, sizeof (*dlm_req),
lustre_swab_ldlm_request);
if (dlm_req == NULL) {
CERROR("bad request buffer for cancel\n");
lock = ldlm_handle2lock(&dlm_req->lock_handle1);
if (!lock) {
CERROR("received cancel for unknown lock cookie "LPX64
- " from nid "LPX64" (%s)\n", dlm_req->lock_handle1.cookie,
- req->rq_connection->c_peer.peer_nid,
- portals_nid2str(req->rq_connection->c_peer.peer_ni->pni_number,
- req->rq_connection->c_peer.peer_nid, str));
+ " from client %s nid "LPX64" (%s)\n",
+ dlm_req->lock_handle1.cookie,
+ req->rq_export->exp_client_uuid.uuid,
+ req->rq_peer.peer_nid,
+ portals_nid2str(req->rq_peer.peer_ni->pni_number,
+ req->rq_peer.peer_nid, str));
LDLM_DEBUG_NOLOCK("server-side cancel handler stale lock "
"(cookie "LPU64")",
dlm_req->lock_handle1.cookie);
req->rq_status = ESTALE;
} else {
LDLM_DEBUG(lock, "server-side cancel handler START");
+ res = lock->l_resource;
+ if (res && res->lr_namespace->ns_lvbo &&
+ res->lr_namespace->ns_lvbo->lvbo_update) {
+ (void)res->lr_namespace->ns_lvbo->lvbo_update
+ (res, NULL, 0, 0);
+ //(res, req->rq_reqmsg, 1);
+ }
+
ldlm_lock_cancel(lock);
if (ldlm_del_waiting_lock(lock))
CDEBUG(D_DLMTRACE, "cancelled waiting lock %p\n", lock);
- req->rq_status = 0;
+ req->rq_status = rc;
}
if (ptlrpc_reply(req) != 0)
lock->l_req_mode = dlm_req->lock_desc.l_granted_mode;
LDLM_DEBUG(lock, "completion AST, new lock mode");
}
- if (lock->l_resource->lr_type != LDLM_PLAIN)
+
+ if (lock->l_resource->lr_type != LDLM_PLAIN) {
memcpy(&lock->l_policy_data, &dlm_req->lock_desc.l_policy_data,
sizeof(lock->l_policy_data));
+ LDLM_DEBUG(lock, "completion AST, new policy data");
+ }
ldlm_resource_unlink_lock(lock);
if (memcmp(&dlm_req->lock_desc.l_resource.lr_name,
LDLM_DEBUG(lock, "completion AST includes blocking AST");
}
+ if (lock->l_lvb_len) {
+ void *lvb;
+ lvb = lustre_swab_reqbuf(req, 1, lock->l_lvb_len,
+ lock->l_lvb_swabber);
+ if (lvb == NULL) {
+ LDLM_ERROR(lock, "completion AST did not contain "
+ "expected LVB!");
+ } else {
+ memcpy(lock->l_lvb_data, lvb, lock->l_lvb_len);
+ }
+ }
+
lock->l_resource->lr_tmp = &ast_list;
ldlm_grant_lock(lock, req, sizeof(*req), 1);
lock->l_resource->lr_tmp = NULL;
EXIT;
}
+static void ldlm_handle_gl_callback(struct ptlrpc_request *req,
+ struct ldlm_namespace *ns,
+ struct ldlm_request *dlm_req,
+ struct ldlm_lock *lock)
+{
+ int rc = -ENOSYS;
+ ENTRY;
+
+ l_lock(&ns->ns_lock);
+ LDLM_DEBUG(lock, "client glimpse AST callback handler");
+
+ if (lock->l_glimpse_ast != NULL) {
+ l_unlock(&ns->ns_lock);
+ l_check_no_ns_lock(ns);
+ rc = lock->l_glimpse_ast(lock, req);
+ l_lock(&ns->ns_lock);
+ }
+
+ if (req->rq_repmsg != NULL) {
+ ptlrpc_reply(req);
+ } else {
+ req->rq_status = rc;
+ ptlrpc_error(req);
+ }
+
+ if (lock->l_granted_mode == LCK_PW &&
+ !lock->l_readers && !lock->l_writers &&
+ time_after(jiffies, lock->l_last_used + 10 * HZ)) {
+ l_unlock(&ns->ns_lock);
+ ldlm_handle_bl_callback(ns, NULL, lock);
+ EXIT;
+ return;
+ }
+
+ l_unlock(&ns->ns_lock);
+ LDLM_LOCK_PUT(lock);
+ EXIT;
+}
+
static int ldlm_callback_reply(struct ptlrpc_request *req, int rc)
{
req->rq_status = rc;
- rc = lustre_pack_reply(req, 0, NULL, NULL);
- if (rc)
- return rc;
+ if (req->rq_reply_state == NULL) {
+ rc = lustre_pack_reply(req, 0, NULL, NULL);
+ if (rc)
+ return rc;
+ }
return ptlrpc_reply(req);
}
#ifdef __KERNEL__
-static int ldlm_bl_to_thread(struct ldlm_state *ldlm, struct ldlm_namespace *ns,
- struct ldlm_lock_desc *ld, struct ldlm_lock *lock)
+int ldlm_bl_to_thread(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
+ struct ldlm_lock *lock)
{
- struct ldlm_bl_pool *blp = ldlm->ldlm_bl_pool;
+ struct ldlm_bl_pool *blp = ldlm_state->ldlm_bl_pool;
struct ldlm_bl_work_item *blwi;
ENTRY;
RETURN(-ENOMEM);
blwi->blwi_ns = ns;
- blwi->blwi_ld = *ld;
+ if (ld != NULL)
+ blwi->blwi_ld = *ld;
blwi->blwi_lock = lock;
spin_lock(&blp->blp_lock);
CDEBUG(D_RPCTRACE, "operation %d from nid "LPX64" (%s) with bad "
"export cookie "LPX64" (ptl req %d/rep %d); this is "
"normal if this node rebooted with a lock held\n",
- req->rq_reqmsg->opc, req->rq_connection->c_peer.peer_nid,
- portals_nid2str(req->rq_connection->c_peer.peer_ni->pni_number,
- req->rq_connection->c_peer.peer_nid, str),
+ req->rq_reqmsg->opc, req->rq_peer.peer_nid,
+ portals_nid2str(req->rq_peer.peer_ni->pni_number,
+ req->rq_peer.peer_nid, str),
req->rq_reqmsg->handle.cookie,
req->rq_request_portal, req->rq_reply_portal);
RETURN(0);
}
- if (req->rq_reqmsg->opc == LDLM_BL_CALLBACK) {
+ LASSERT(req->rq_export != NULL);
+ LASSERT(req->rq_export->exp_obd != NULL);
+
+ switch(req->rq_reqmsg->opc) {
+ case LDLM_BL_CALLBACK:
OBD_FAIL_RETURN(OBD_FAIL_LDLM_BL_CALLBACK, 0);
- } else if (req->rq_reqmsg->opc == LDLM_CP_CALLBACK) {
+ break;
+ case LDLM_CP_CALLBACK:
OBD_FAIL_RETURN(OBD_FAIL_LDLM_CP_CALLBACK, 0);
- } else if (req->rq_reqmsg->opc == OBD_LOG_CANCEL) {
+ break;
+ case LDLM_GL_CALLBACK:
+ OBD_FAIL_RETURN(OBD_FAIL_LDLM_GL_CALLBACK, 0);
+ break;
+ case OBD_LOG_CANCEL:
OBD_FAIL_RETURN(OBD_FAIL_OBD_LOG_CANCEL_NET, 0);
- } else if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_CREATE) {
- OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
- } else if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_NEXT_BLOCK) {
- OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
- } else if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_READ_HEADER) {
- OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
- } else if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_CLOSE) {
+ rc = llog_origin_handle_cancel(req);
+ ldlm_callback_reply(req, rc);
+ RETURN(0);
+ case LLOG_ORIGIN_HANDLE_CREATE:
OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
- } else {
- ldlm_callback_reply(req, -EPROTO);
+ rc = llog_origin_handle_create(req);
+ ldlm_callback_reply(req, rc);
RETURN(0);
- }
-
- LASSERT(req->rq_export != NULL);
- LASSERT(req->rq_export->exp_obd != NULL);
-
-#ifdef ENABLE_ORPHANS
- /* FIXME - how to send reply */
- if (req->rq_reqmsg->opc == OBD_LOG_CANCEL) {
- int rc = llog_origin_handle_cancel(req);
+ case LLOG_ORIGIN_HANDLE_NEXT_BLOCK:
+ OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
+ rc = llog_origin_handle_next_block(req);
ldlm_callback_reply(req, rc);
RETURN(0);
- }
-
- if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_CREATE) {
- int rc = llog_origin_handle_create(req);
- req->rq_status = rc;
- ptlrpc_reply(req);
+ case LLOG_ORIGIN_HANDLE_READ_HEADER:
+ OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
+ rc = llog_origin_handle_read_header(req);
+ ldlm_callback_reply(req, rc);
RETURN(0);
- }
-
- if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_NEXT_BLOCK) {
- int rc = llog_origin_handle_next_block(req);
- req->rq_status = rc;
- ptlrpc_reply(req);
+ case LLOG_ORIGIN_HANDLE_CLOSE:
+ OBD_FAIL_RETURN(OBD_FAIL_OBD_LOGD_NET, 0);
+ rc = llog_origin_handle_close(req);
+ ldlm_callback_reply(req, rc);
RETURN(0);
- }
-
- if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_READ_HEADER) {
- int rc = llog_origin_handle_read_header(req);
- req->rq_status = rc;
- ptlrpc_reply(req);
+ default:
+ CERROR("unknown opcode %u\n", req->rq_reqmsg->opc);
+ ldlm_callback_reply(req, -EPROTO);
RETURN(0);
}
- if (req->rq_reqmsg->opc == LLOG_ORIGIN_HANDLE_CLOSE) {
- int rc = llog_origin_handle_close(req);
- ldlm_callback_reply(req, rc);
- RETURN(0);
- }
-#endif
ns = req->rq_export->exp_obd->obd_namespace;
LASSERT(ns != NULL);
* cancelling right now, because it's unused, or have an intent result
* in the reply, so we might have to push the responsibility for sending
* the reply down into the AST handlers, alas. */
- if (req->rq_reqmsg->opc != LDLM_BL_CALLBACK)
- ldlm_callback_reply(req, 0);
switch (req->rq_reqmsg->opc) {
case LDLM_BL_CALLBACK:
CDEBUG(D_INODE, "blocking ast\n");
#ifdef __KERNEL__
- rc = ldlm_bl_to_thread(ldlm, ns, &dlm_req->lock_desc, lock);
+ rc = ldlm_bl_to_thread(ns, &dlm_req->lock_desc, lock);
ldlm_callback_reply(req, rc);
#else
rc = 0;
break;
case LDLM_CP_CALLBACK:
CDEBUG(D_INODE, "completion ast\n");
+ ldlm_callback_reply(req, 0);
ldlm_handle_cp_callback(req, ns, dlm_req, lock);
break;
+ case LDLM_GL_CALLBACK:
+ CDEBUG(D_INODE, "glimpse ast\n");
+ ldlm_handle_gl_callback(req, ns, dlm_req, lock);
+ break;
default:
LBUG(); /* checked above */
}
#endif
ENTRY;
- if (ldlm != NULL)
+ if (ldlm_state != NULL)
RETURN(-EALREADY);
- OBD_ALLOC(ldlm, sizeof(*ldlm));
- if (ldlm == NULL)
+ OBD_ALLOC(ldlm_state, sizeof(*ldlm_state));
+ if (ldlm_state == NULL)
RETURN(-ENOMEM);
#ifdef __KERNEL__
GOTO(out_free, rc);
#endif
- ldlm->ldlm_cb_service =
- ptlrpc_init_svc(LDLM_NEVENTS, LDLM_NBUFS, LDLM_BUFSIZE,
- LDLM_MAXREQSIZE, LDLM_CB_REQUEST_PORTAL,
- LDLM_CB_REPLY_PORTAL,
- ldlm_callback_handler, "ldlm_cbd",
+ ldlm_state->ldlm_cb_service =
+ ptlrpc_init_svc(LDLM_NBUFS, LDLM_BUFSIZE, LDLM_MAXREQSIZE,
+ LDLM_CB_REQUEST_PORTAL, LDLM_CB_REPLY_PORTAL,
+ ldlm_callback_handler, "ldlm_cbd",
ldlm_svc_proc_dir);
- if (!ldlm->ldlm_cb_service) {
+ if (!ldlm_state->ldlm_cb_service) {
CERROR("failed to start service\n");
GOTO(out_proc, rc = -ENOMEM);
}
- ldlm->ldlm_cancel_service =
- ptlrpc_init_svc(LDLM_NEVENTS, LDLM_NBUFS, LDLM_BUFSIZE,
- LDLM_MAXREQSIZE, LDLM_CANCEL_REQUEST_PORTAL,
+ ldlm_state->ldlm_cancel_service =
+ ptlrpc_init_svc(LDLM_NBUFS, LDLM_BUFSIZE, LDLM_MAXREQSIZE,
+ LDLM_CANCEL_REQUEST_PORTAL,
LDLM_CANCEL_REPLY_PORTAL,
- ldlm_cancel_handler, "ldlm_canceld",
+ ldlm_cancel_handler, "ldlm_canceld",
ldlm_svc_proc_dir);
- if (!ldlm->ldlm_cancel_service) {
+ if (!ldlm_state->ldlm_cancel_service) {
CERROR("failed to start service\n");
GOTO(out_proc, rc = -ENOMEM);
}
OBD_ALLOC(blp, sizeof(*blp));
if (blp == NULL)
GOTO(out_proc, rc = -ENOMEM);
- ldlm->ldlm_bl_pool = blp;
+ ldlm_state->ldlm_bl_pool = blp;
atomic_set(&blp->blp_num_threads, 0);
init_waitqueue_head(&blp->blp_waitq);
wait_for_completion(&blp->blp_comp);
}
- rc = ptlrpc_start_n_threads(NULL, ldlm->ldlm_cancel_service,
+ rc = ptlrpc_start_n_threads(NULL, ldlm_state->ldlm_cancel_service,
LDLM_NUM_THREADS, "ldlm_cn");
if (rc) {
LBUG();
GOTO(out_thread, rc);
}
- rc = ptlrpc_start_n_threads(NULL, ldlm->ldlm_cb_service,
+ rc = ptlrpc_start_n_threads(NULL, ldlm_state->ldlm_cb_service,
LDLM_NUM_THREADS, "ldlm_cb");
if (rc) {
LBUG();
#ifdef __KERNEL__
out_thread:
- ptlrpc_unregister_service(ldlm->ldlm_cancel_service);
- ptlrpc_unregister_service(ldlm->ldlm_cb_service);
+ ptlrpc_unregister_service(ldlm_state->ldlm_cancel_service);
+ ptlrpc_unregister_service(ldlm_state->ldlm_cb_service);
#endif
out_proc:
ldlm_proc_cleanup();
out_free:
#endif
- OBD_FREE(ldlm, sizeof(*ldlm));
- ldlm = NULL;
+ OBD_FREE(ldlm_state, sizeof(*ldlm_state));
+ ldlm_state = NULL;
return rc;
}
static int ldlm_cleanup(int force)
{
#ifdef __KERNEL__
- struct ldlm_bl_pool *blp = ldlm->ldlm_bl_pool;
+ struct ldlm_bl_pool *blp = ldlm_state->ldlm_bl_pool;
#endif
ENTRY;
}
OBD_FREE(blp, sizeof(*blp));
- ptlrpc_stop_all_threads(ldlm->ldlm_cb_service);
- ptlrpc_unregister_service(ldlm->ldlm_cb_service);
- ptlrpc_stop_all_threads(ldlm->ldlm_cancel_service);
- ptlrpc_unregister_service(ldlm->ldlm_cancel_service);
+ ptlrpc_stop_all_threads(ldlm_state->ldlm_cb_service);
+ ptlrpc_unregister_service(ldlm_state->ldlm_cb_service);
+ ptlrpc_stop_all_threads(ldlm_state->ldlm_cancel_service);
+ ptlrpc_unregister_service(ldlm_state->ldlm_cancel_service);
ldlm_proc_cleanup();
expired_lock_thread.elt_state = ELT_TERMINATE;
#endif
- OBD_FREE(ldlm, sizeof(*ldlm));
- ldlm = NULL;
+ OBD_FREE(ldlm_state, sizeof(*ldlm_state));
+ ldlm_state = NULL;
RETURN(0);
}
/* ldlm_flock.c */
EXPORT_SYMBOL(ldlm_flock_completion_ast);
+/* ldlm_extent.c */
+EXPORT_SYMBOL(ldlm_extent_shift_kms);
+
/* ldlm_lock.c */
+EXPORT_SYMBOL(ldlm_get_processing_policy);
EXPORT_SYMBOL(ldlm_lock2desc);
EXPORT_SYMBOL(ldlm_register_intent);
-EXPORT_SYMBOL(ldlm_unregister_intent);
EXPORT_SYMBOL(ldlm_lockname);
EXPORT_SYMBOL(ldlm_typename);
EXPORT_SYMBOL(ldlm_lock2handle);
EXPORT_SYMBOL(__ldlm_handle2lock);
+EXPORT_SYMBOL(ldlm_lock_get);
EXPORT_SYMBOL(ldlm_lock_put);
EXPORT_SYMBOL(ldlm_lock_match);
EXPORT_SYMBOL(ldlm_lock_cancel);
EXPORT_SYMBOL(ldlm_lock_dump_handle);
EXPORT_SYMBOL(ldlm_cancel_locks_for_export);
EXPORT_SYMBOL(ldlm_reprocess_all_ns);
+EXPORT_SYMBOL(ldlm_lock_allow_match);
/* ldlm_request.c */
EXPORT_SYMBOL(ldlm_completion_ast);
/* ldlm_lockd.c */
EXPORT_SYMBOL(ldlm_server_blocking_ast);
EXPORT_SYMBOL(ldlm_server_completion_ast);
+EXPORT_SYMBOL(ldlm_server_glimpse_ast);
EXPORT_SYMBOL(ldlm_handle_enqueue);
EXPORT_SYMBOL(ldlm_handle_cancel);
EXPORT_SYMBOL(ldlm_handle_convert);
EXPORT_SYMBOL(ldlm_namespace_cleanup);
EXPORT_SYMBOL(ldlm_namespace_free);
EXPORT_SYMBOL(ldlm_namespace_dump);
+EXPORT_SYMBOL(ldlm_dump_all_namespaces);
+EXPORT_SYMBOL(ldlm_resource_get);
+EXPORT_SYMBOL(ldlm_resource_putref);
/* l_lock.c */
EXPORT_SYMBOL(l_lock);
EXPORT_SYMBOL(target_handle_ping);
EXPORT_SYMBOL(target_handle_disconnect);
EXPORT_SYMBOL(target_queue_final_reply);
-EXPORT_SYMBOL(ldlm_put_lock_into_req);