diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/ldlm/ldlm_lib.c')
-rw-r--r-- | drivers/staging/lustre/lustre/ldlm/ldlm_lib.c | 107 |
1 files changed, 37 insertions, 70 deletions
diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c index 3c8d4413d..7dd7df59a 100644 --- a/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c +++ b/drivers/staging/lustre/lustre/ldlm/ldlm_lib.c @@ -219,7 +219,8 @@ EXPORT_SYMBOL(client_import_find_conn); void client_destroy_import(struct obd_import *imp) { /* Drop security policy instance after all RPCs have finished/aborted - * to let all busy contexts be released. */ + * to let all busy contexts be released. + */ class_import_get(imp); class_destroy_import(imp); sptlrpc_import_sec_put(imp); @@ -227,29 +228,6 @@ void client_destroy_import(struct obd_import *imp) } EXPORT_SYMBOL(client_destroy_import); -/** - * Check whether or not the OSC is on MDT. - * In the config log, - * osc on MDT - * setup 0:{fsname}-OSTxxxx-osc[-MDTxxxx] 1:lustre-OST0000_UUID 2:NID - * osc on client - * setup 0:{fsname}-OSTxxxx-osc 1:lustre-OST0000_UUID 2:NID - * - **/ -static int osc_on_mdt(char *obdname) -{ - char *ptr; - - ptr = strrchr(obdname, '-'); - if (ptr == NULL) - return 0; - - if (strncmp(ptr + 1, "MDT", 3) == 0) - return 1; - - return 0; -} - /* Configure an RPC client OBD device. * * lcfg parameters: @@ -264,11 +242,12 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) struct obd_uuid server_uuid; int rq_portal, rp_portal, connect_op; char *name = obddev->obd_type->typ_name; - ldlm_ns_type_t ns_type = LDLM_NS_TYPE_UNKNOWN; + enum ldlm_ns_type ns_type = LDLM_NS_TYPE_UNKNOWN; int rc; /* In a more perfect world, we would hang a ptlrpc_client off of - * obd_type and just use the values from there. */ + * obd_type and just use the values from there. + */ if (!strcmp(name, LUSTRE_OSC_NAME)) { rq_portal = OST_REQUEST_PORTAL; rp_portal = OSC_REPLY_PORTAL; @@ -284,22 +263,6 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) cli->cl_sp_me = LUSTRE_SP_CLI; cli->cl_sp_to = LUSTRE_SP_MDT; ns_type = LDLM_NS_TYPE_MDC; - } else if (!strcmp(name, LUSTRE_OSP_NAME)) { - if (strstr(lustre_cfg_buf(lcfg, 1), "OST") == NULL) { - /* OSP_on_MDT for other MDTs */ - connect_op = MDS_CONNECT; - cli->cl_sp_to = LUSTRE_SP_MDT; - ns_type = LDLM_NS_TYPE_MDC; - rq_portal = OUT_PORTAL; - } else { - /* OSP on MDT for OST */ - connect_op = OST_CONNECT; - cli->cl_sp_to = LUSTRE_SP_OST; - ns_type = LDLM_NS_TYPE_OSC; - rq_portal = OST_REQUEST_PORTAL; - } - rp_portal = OSC_REPLY_PORTAL; - cli->cl_sp_me = LUSTRE_SP_CLI; } else if (!strcmp(name, LUSTRE_MGC_NAME)) { rq_portal = MGS_REQUEST_PORTAL; rp_portal = MGC_REPLY_PORTAL; @@ -344,8 +307,8 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) cli->cl_avail_grant = 0; /* FIXME: Should limit this for the sum of all cl_dirty_max. */ cli->cl_dirty_max = OSC_MAX_DIRTY_DEFAULT * 1024 * 1024; - if (cli->cl_dirty_max >> PAGE_CACHE_SHIFT > totalram_pages / 8) - cli->cl_dirty_max = totalram_pages << (PAGE_CACHE_SHIFT - 3); + if (cli->cl_dirty_max >> PAGE_SHIFT > totalram_pages / 8) + cli->cl_dirty_max = totalram_pages << (PAGE_SHIFT - 3); INIT_LIST_HEAD(&cli->cl_cache_waiters); INIT_LIST_HEAD(&cli->cl_loi_ready_list); INIT_LIST_HEAD(&cli->cl_loi_hp_ready_list); @@ -387,23 +350,21 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) /* This value may be reduced at connect time in * ptlrpc_connect_interpret() . We initialize it to only * 1MB until we know what the performance looks like. - * In the future this should likely be increased. LU-1431 */ + * In the future this should likely be increased. LU-1431 + */ cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES, - LNET_MTU >> PAGE_CACHE_SHIFT); + LNET_MTU >> PAGE_SHIFT); if (!strcmp(name, LUSTRE_MDC_NAME)) { cli->cl_max_rpcs_in_flight = MDC_MAX_RIF_DEFAULT; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) { cli->cl_max_rpcs_in_flight = 2; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 256 /* MB */) { cli->cl_max_rpcs_in_flight = 3; - } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) { + } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 512 /* MB */) { cli->cl_max_rpcs_in_flight = 4; } else { - if (osc_on_mdt(obddev->obd_name)) - cli->cl_max_rpcs_in_flight = MDS_OSC_MAX_RIF_DEFAULT; - else - cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT; + cli->cl_max_rpcs_in_flight = OSC_MAX_RIF_DEFAULT; } rc = ldlm_get_ref(); if (rc) { @@ -415,7 +376,7 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) &obddev->obd_ldlm_client); imp = class_new_import(obddev); - if (imp == NULL) { + if (!imp) { rc = -ENOENT; goto err_ldlm; } @@ -451,7 +412,7 @@ int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg) LDLM_NAMESPACE_CLIENT, LDLM_NAMESPACE_GREEDY, ns_type); - if (obddev->obd_namespace == NULL) { + if (!obddev->obd_namespace) { CERROR("Unable to create client namespace - %s\n", obddev->obd_name); rc = -ENOMEM; @@ -477,7 +438,7 @@ int client_obd_cleanup(struct obd_device *obddev) ldlm_namespace_free_post(obddev->obd_namespace); obddev->obd_namespace = NULL; - LASSERT(obddev->u.cli.cl_import == NULL); + LASSERT(!obddev->u.cli.cl_import); ldlm_put_ref(); return 0; @@ -528,7 +489,7 @@ int client_connect_import(const struct lu_env *env, LASSERT(imp->imp_state == LUSTRE_IMP_DISCON); goto out_ldlm; } - LASSERT(*exp != NULL && (*exp)->exp_connection); + LASSERT(*exp && (*exp)->exp_connection); if (data) { LASSERTF((ocd->ocd_connect_flags & data->ocd_connect_flags) == @@ -587,17 +548,19 @@ int client_disconnect_export(struct obd_export *exp) /* Mark import deactivated now, so we don't try to reconnect if any * of the cleanup RPCs fails (e.g. LDLM cancel, etc). We don't - * fully deactivate the import, or that would drop all requests. */ + * fully deactivate the import, or that would drop all requests. + */ spin_lock(&imp->imp_lock); imp->imp_deactive = 1; spin_unlock(&imp->imp_lock); /* Some non-replayable imports (MDS's OSCs) are pinged, so just * delete it regardless. (It's safe to delete an import that was - * never added.) */ + * never added.) + */ (void)ptlrpc_pinger_del_import(imp); - if (obd->obd_namespace != NULL) { + if (obd->obd_namespace) { /* obd_force == local only */ ldlm_cli_cancel_unused(obd->obd_namespace, NULL, obd->obd_force ? LCF_LOCAL : 0, NULL); @@ -606,7 +569,8 @@ int client_disconnect_export(struct obd_export *exp) } /* There's no need to hold sem while disconnecting an import, - * and it may actually cause deadlock in GSS. */ + * and it may actually cause deadlock in GSS. + */ up_write(&cli->cl_sem); rc = ptlrpc_disconnect_import(imp, 0); down_write(&cli->cl_sem); @@ -615,7 +579,8 @@ int client_disconnect_export(struct obd_export *exp) out_disconnect: /* Use server style - class_disconnect should be always called for - * o_disconnect. */ + * o_disconnect. + */ err = class_disconnect(exp); if (!rc && err) rc = err; @@ -634,7 +599,8 @@ int target_pack_pool_reply(struct ptlrpc_request *req) struct obd_device *obd; /* Check that we still have all structures alive as this may - * be some late RPC at shutdown time. */ + * be some late RPC at shutdown time. + */ if (unlikely(!req->rq_export || !req->rq_export->exp_obd || !exp_connect_lru_resize(req->rq_export))) { lustre_msg_set_slv(req->rq_repmsg, 0); @@ -684,14 +650,14 @@ void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id) svcpt = req->rq_rqbd->rqbd_svcpt; rs = req->rq_reply_state; - if (rs == NULL || !rs->rs_difficult) { + if (!rs || !rs->rs_difficult) { /* no notifiers */ target_send_reply_msg(req, rc, fail_id); return; } /* must be an export if locks saved */ - LASSERT(req->rq_export != NULL); + LASSERT(req->rq_export); /* req/reply consistent */ LASSERT(rs->rs_svcpt == svcpt); @@ -700,7 +666,7 @@ void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id) LASSERT(!rs->rs_scheduled_ever); LASSERT(!rs->rs_handled); LASSERT(!rs->rs_on_net); - LASSERT(rs->rs_export == NULL); + LASSERT(!rs->rs_export); LASSERT(list_empty(&rs->rs_obd_list)); LASSERT(list_empty(&rs->rs_exp_list)); @@ -739,7 +705,8 @@ void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id) * reply ref until ptlrpc_handle_rs() is done * with the reply state (if the send was successful, there * would have been +1 ref for the net, which - * reply_out_callback leaves alone) */ + * reply_out_callback leaves alone) + */ rs->rs_on_net = 0; ptlrpc_rs_addref(rs); } @@ -760,7 +727,7 @@ void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id) } EXPORT_SYMBOL(target_send_reply); -ldlm_mode_t lck_compat_array[] = { +enum ldlm_mode lck_compat_array[] = { [LCK_EX] = LCK_COMPAT_EX, [LCK_PW] = LCK_COMPAT_PW, [LCK_PR] = LCK_COMPAT_PR, @@ -775,7 +742,7 @@ ldlm_mode_t lck_compat_array[] = { * Rather arbitrary mapping from LDLM error codes to errno values. This should * not escape to the user level. */ -int ldlm_error2errno(ldlm_error_t error) +int ldlm_error2errno(enum ldlm_error error) { int result; @@ -803,7 +770,7 @@ int ldlm_error2errno(ldlm_error_t error) break; default: if (((int)error) < 0) /* cast to signed type */ - result = error; /* as ldlm_error_t can be unsigned */ + result = error; /* as enum ldlm_error can be unsigned */ else { CERROR("Invalid DLM result code: %d\n", error); result = -EPROTO; |