diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_lock.c')
-rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_lock.c | 219 |
1 files changed, 102 insertions, 117 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c index 6140130b6056..8191005464b1 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lock.c @@ -226,6 +226,7 @@ EXPORT_SYMBOL(ldlm_lock_put); int ldlm_lock_remove_from_lru_nolock(struct ldlm_lock *lock) { int rc = 0; + if (!list_empty(&lock->l_lru)) { struct ldlm_namespace *ns = ldlm_lock_to_ns(lock); @@ -575,7 +576,7 @@ struct ldlm_lock *__ldlm_handle2lock(const struct lustre_handle *handle, /* It's unlikely but possible that someone marked the lock as * destroyed after we did handle2object on it */ - if (flags == 0 && ((lock->l_flags & LDLM_FL_DESTROYED)== 0)) { + if (flags == 0 && ((lock->l_flags & LDLM_FL_DESTROYED) == 0)) { lu_ref_add(&lock->l_reference, "handle", current); return lock; } @@ -811,8 +812,7 @@ void ldlm_lock_decref_internal(struct ldlm_lock *lock, __u32 mode) /* If we received a blocked AST and this was the last reference, * run the callback. */ if ((lock->l_flags & LDLM_FL_NS_SRV) && lock->l_export) - CERROR("FL_CBPENDING set on non-local lock--just a " - "warning\n"); + CERROR("FL_CBPENDING set on non-local lock--just a warning\n"); LDLM_DEBUG(lock, "final decref done on cbpending lock"); @@ -859,6 +859,7 @@ void ldlm_lock_decref_internal(struct ldlm_lock *lock, __u32 mode) void ldlm_lock_decref(struct lustre_handle *lockh, __u32 mode) { struct ldlm_lock *lock = __ldlm_handle2lock(lockh, 0); + LASSERTF(lock != NULL, "Non-existing lock: %#llx\n", lockh->cookie); ldlm_lock_decref_internal(lock, mode); LDLM_LOCK_PUT(lock); @@ -981,7 +982,6 @@ static void search_granted_lock(struct list_head *queue, prev->res_link = queue->prev; prev->mode_link = &req->l_sl_mode; prev->policy_link = &req->l_sl_policy; - return; } /** @@ -1287,6 +1287,7 @@ ldlm_mode_t ldlm_lock_match(struct ldlm_namespace *ns, __u64 flags, __u64 wait_flags = LDLM_FL_LVB_READY | LDLM_FL_DESTROYED | LDLM_FL_FAIL_NOTIFIED; struct l_wait_info lwi; + if (lock->l_completion_ast) { int err = lock->l_completion_ast(lock, LDLM_FL_WAIT_NOREPROC, @@ -1340,9 +1341,10 @@ ldlm_mode_t ldlm_lock_match(struct ldlm_namespace *ns, __u64 flags, } else if (!(flags & LDLM_FL_TEST_LOCK)) {/*less verbose for test-only*/ LDLM_DEBUG_NOLOCK("not matched ns %p type %u mode %u res %llu/%llu (%llu %llu)", - ns, type, mode, res_id->name[0], res_id->name[1], + ns, type, mode, res_id->name[0], + res_id->name[1], (type == LDLM_PLAIN || type == LDLM_IBITS) ? - res_id->name[2] :policy->l_extent.start, + res_id->name[2] : policy->l_extent.start, (type == LDLM_PLAIN || type == LDLM_IBITS) ? res_id->name[3] : policy->l_extent.end); } @@ -1453,7 +1455,8 @@ int ldlm_fill_lvb(struct ldlm_lock *lock, struct req_capsule *pill, memcpy(data, lvb, size); } else { - LDLM_ERROR(lock, "Replied unexpected lquota LVB size %d", + LDLM_ERROR(lock, + "Replied unexpected lquota LVB size %d", size); return -EINVAL; } @@ -1641,8 +1644,7 @@ ldlm_error_t ldlm_lock_enqueue(struct ldlm_namespace *ns, ldlm_grant_lock(lock, NULL); goto out; } else { - CERROR("This is client-side-only module, cannot handle " - "LDLM_NAMESPACE_SERVER resource type lock.\n"); + CERROR("This is client-side-only module, cannot handle LDLM_NAMESPACE_SERVER resource type lock.\n"); LBUG(); } @@ -1820,24 +1822,24 @@ int ldlm_run_ast_work(struct ldlm_namespace *ns, struct list_head *rpc_list, arg->list = rpc_list; switch (ast_type) { - case LDLM_WORK_BL_AST: - arg->type = LDLM_BL_CALLBACK; - work_ast_lock = ldlm_work_bl_ast_lock; - break; - case LDLM_WORK_CP_AST: - arg->type = LDLM_CP_CALLBACK; - work_ast_lock = ldlm_work_cp_ast_lock; - break; - case LDLM_WORK_REVOKE_AST: - arg->type = LDLM_BL_CALLBACK; - work_ast_lock = ldlm_work_revoke_ast_lock; - break; - case LDLM_WORK_GL_AST: - arg->type = LDLM_GL_CALLBACK; - work_ast_lock = ldlm_work_gl_ast_lock; - break; - default: - LBUG(); + case LDLM_WORK_BL_AST: + arg->type = LDLM_BL_CALLBACK; + work_ast_lock = ldlm_work_bl_ast_lock; + break; + case LDLM_WORK_CP_AST: + arg->type = LDLM_CP_CALLBACK; + work_ast_lock = ldlm_work_cp_ast_lock; + break; + case LDLM_WORK_REVOKE_AST: + arg->type = LDLM_BL_CALLBACK; + work_ast_lock = ldlm_work_revoke_ast_lock; + break; + case LDLM_WORK_GL_AST: + arg->type = LDLM_GL_CALLBACK; + work_ast_lock = ldlm_work_gl_ast_lock; + break; + default: + LBUG(); } /* We create a ptlrpc request set with flow control extension. @@ -1904,8 +1906,7 @@ void ldlm_reprocess_all(struct ldlm_resource *res) LIST_HEAD(rpc_list); if (!ns_is_client(ldlm_res_to_ns(res))) { - CERROR("This is client-side-only module, cannot handle " - "LDLM_NAMESPACE_SERVER resource type lock.\n"); + CERROR("This is client-side-only module, cannot handle LDLM_NAMESPACE_SERVER resource type lock.\n"); LBUG(); } } @@ -2038,8 +2039,7 @@ int ldlm_cancel_locks_for_export_cb(struct cfs_hash *hs, struct cfs_hash_bd *bd, ecl->ecl_loop++; if ((ecl->ecl_loop & -ecl->ecl_loop) == ecl->ecl_loop) { CDEBUG(D_INFO, - "Cancel lock %p for export %p (loop %d), still have " - "%d locks left on hash table.\n", + "Cancel lock %p for export %p (loop %d), still have %d locks left on hash table.\n", lock, exp, ecl->ecl_loop, atomic_read(&hs->hs_count)); } @@ -2169,8 +2169,7 @@ struct ldlm_resource *ldlm_lock_convert(struct ldlm_lock *lock, int new_mode, lock->l_completion_ast(lock, 0, NULL); } } else { - CERROR("This is client-side-only module, cannot handle " - "LDLM_NAMESPACE_SERVER resource type lock.\n"); + CERROR("This is client-side-only module, cannot handle LDLM_NAMESPACE_SERVER resource type lock.\n"); LBUG(); } unlock_res_and_lock(lock); @@ -2224,23 +2223,21 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, nid = libcfs_nid2str(exp->exp_connection->c_peer.nid); } else if (exp && exp->exp_obd != NULL) { struct obd_import *imp = exp->exp_obd->u.cli.cl_import; + nid = libcfs_nid2str(imp->imp_connection->c_peer.nid); } if (resource == NULL) { libcfs_debug_vmsg2(msgdata, fmt, args, - " ns: \?\? lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s " - "res: \?\? rrc=\?\? type: \?\?\? flags: %#llx nid: %s " - "remote: %#llx expref: %d pid: %u timeout: %lu " - "lvb_type: %d\n", - lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), - lock->l_readers, lock->l_writers, - ldlm_lockname[lock->l_granted_mode], - ldlm_lockname[lock->l_req_mode], - lock->l_flags, nid, lock->l_remote_handle.cookie, - exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); + " ns: \?\? lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: \?\? rrc=\?\? type: \?\?\? flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", + lock, + lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_readers, lock->l_writers, + ldlm_lockname[lock->l_granted_mode], + ldlm_lockname[lock->l_req_mode], + lock->l_flags, nid, lock->l_remote_handle.cookie, + exp ? atomic_read(&exp->exp_refcount) : -99, + lock->l_pid, lock->l_callback_timeout, lock->l_lvb_type); va_end(args); return; } @@ -2248,90 +2245,78 @@ void _ldlm_lock_debug(struct ldlm_lock *lock, switch (resource->lr_type) { case LDLM_EXTENT: libcfs_debug_vmsg2(msgdata, fmt, args, - " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s " - "res: "DLDLMRES" rrc: %d type: %s [%llu->%llu] " - "(req %llu->%llu) flags: %#llx nid: %s remote: " - "%#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", - ldlm_lock_to_ns_name(lock), lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), - lock->l_readers, lock->l_writers, - ldlm_lockname[lock->l_granted_mode], - ldlm_lockname[lock->l_req_mode], - PLDLMRES(resource), - atomic_read(&resource->lr_refcount), - ldlm_typename[resource->lr_type], - lock->l_policy_data.l_extent.start, - lock->l_policy_data.l_extent.end, - lock->l_req_extent.start, lock->l_req_extent.end, - lock->l_flags, nid, lock->l_remote_handle.cookie, - exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout, - lock->l_lvb_type); + " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " rrc: %d type: %s [%llu->%llu] (req %llu->%llu) flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", + ldlm_lock_to_ns_name(lock), lock, + lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_readers, lock->l_writers, + ldlm_lockname[lock->l_granted_mode], + ldlm_lockname[lock->l_req_mode], + PLDLMRES(resource), + atomic_read(&resource->lr_refcount), + ldlm_typename[resource->lr_type], + lock->l_policy_data.l_extent.start, + lock->l_policy_data.l_extent.end, + lock->l_req_extent.start, lock->l_req_extent.end, + lock->l_flags, nid, lock->l_remote_handle.cookie, + exp ? atomic_read(&exp->exp_refcount) : -99, + lock->l_pid, lock->l_callback_timeout, + lock->l_lvb_type); break; case LDLM_FLOCK: libcfs_debug_vmsg2(msgdata, fmt, args, - " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s " - "res: "DLDLMRES" rrc: %d type: %s pid: %d " - "[%llu->%llu] flags: %#llx nid: %s " - "remote: %#llx expref: %d pid: %u timeout: %lu\n", - ldlm_lock_to_ns_name(lock), lock, - lock->l_handle.h_cookie, atomic_read(&lock->l_refc), - lock->l_readers, lock->l_writers, - ldlm_lockname[lock->l_granted_mode], - ldlm_lockname[lock->l_req_mode], - PLDLMRES(resource), - atomic_read(&resource->lr_refcount), - ldlm_typename[resource->lr_type], - lock->l_policy_data.l_flock.pid, - lock->l_policy_data.l_flock.start, - lock->l_policy_data.l_flock.end, - lock->l_flags, nid, lock->l_remote_handle.cookie, - exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout); + " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " rrc: %d type: %s pid: %d [%llu->%llu] flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu\n", + ldlm_lock_to_ns_name(lock), lock, + lock->l_handle.h_cookie, atomic_read(&lock->l_refc), + lock->l_readers, lock->l_writers, + ldlm_lockname[lock->l_granted_mode], + ldlm_lockname[lock->l_req_mode], + PLDLMRES(resource), + atomic_read(&resource->lr_refcount), + ldlm_typename[resource->lr_type], + lock->l_policy_data.l_flock.pid, + lock->l_policy_data.l_flock.start, + lock->l_policy_data.l_flock.end, + lock->l_flags, nid, lock->l_remote_handle.cookie, + exp ? atomic_read(&exp->exp_refcount) : -99, + lock->l_pid, lock->l_callback_timeout); break; case LDLM_IBITS: libcfs_debug_vmsg2(msgdata, fmt, args, - " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s " - "res: "DLDLMRES" bits %#llx rrc: %d type: %s " - "flags: %#llx nid: %s remote: %#llx expref: %d " - "pid: %u timeout: %lu lvb_type: %d\n", - ldlm_lock_to_ns_name(lock), - lock, lock->l_handle.h_cookie, - atomic_read(&lock->l_refc), - lock->l_readers, lock->l_writers, - ldlm_lockname[lock->l_granted_mode], - ldlm_lockname[lock->l_req_mode], - PLDLMRES(resource), - lock->l_policy_data.l_inodebits.bits, - atomic_read(&resource->lr_refcount), - ldlm_typename[resource->lr_type], - lock->l_flags, nid, lock->l_remote_handle.cookie, - exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout, - lock->l_lvb_type); + " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " bits %#llx rrc: %d type: %s flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", + ldlm_lock_to_ns_name(lock), + lock, lock->l_handle.h_cookie, + atomic_read(&lock->l_refc), + lock->l_readers, lock->l_writers, + ldlm_lockname[lock->l_granted_mode], + ldlm_lockname[lock->l_req_mode], + PLDLMRES(resource), + lock->l_policy_data.l_inodebits.bits, + atomic_read(&resource->lr_refcount), + ldlm_typename[resource->lr_type], + lock->l_flags, nid, lock->l_remote_handle.cookie, + exp ? atomic_read(&exp->exp_refcount) : -99, + lock->l_pid, lock->l_callback_timeout, + lock->l_lvb_type); break; default: libcfs_debug_vmsg2(msgdata, fmt, args, - " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s " - "res: "DLDLMRES" rrc: %d type: %s flags: %#llx " - "nid: %s remote: %#llx expref: %d pid: %u " - "timeout: %lu lvb_type: %d\n", - ldlm_lock_to_ns_name(lock), - lock, lock->l_handle.h_cookie, - atomic_read(&lock->l_refc), - lock->l_readers, lock->l_writers, - ldlm_lockname[lock->l_granted_mode], - ldlm_lockname[lock->l_req_mode], - PLDLMRES(resource), - atomic_read(&resource->lr_refcount), - ldlm_typename[resource->lr_type], - lock->l_flags, nid, lock->l_remote_handle.cookie, - exp ? atomic_read(&exp->exp_refcount) : -99, - lock->l_pid, lock->l_callback_timeout, - lock->l_lvb_type); + " ns: %s lock: %p/%#llx lrc: %d/%d,%d mode: %s/%s res: " DLDLMRES " rrc: %d type: %s flags: %#llx nid: %s remote: %#llx expref: %d pid: %u timeout: %lu lvb_type: %d\n", + ldlm_lock_to_ns_name(lock), + lock, lock->l_handle.h_cookie, + atomic_read(&lock->l_refc), + lock->l_readers, lock->l_writers, + ldlm_lockname[lock->l_granted_mode], + ldlm_lockname[lock->l_req_mode], + PLDLMRES(resource), + atomic_read(&resource->lr_refcount), + ldlm_typename[resource->lr_type], + lock->l_flags, nid, lock->l_remote_handle.cookie, + exp ? atomic_read(&exp->exp_refcount) : -99, + lock->l_pid, lock->l_callback_timeout, + lock->l_lvb_type); break; } va_end(args); |