From: John L. Hammond Date: Sat, 30 Aug 2014 21:12:47 +0000 (-0400) Subject: staging/lustre/mgc: remove server specific handlers X-Git-Tag: firefly_0821_release~176^2~3121^2~927 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fbf037fee64019f58fbea8542ce6144a8b13fd73;p=firefly-linux-kernel-4.4.55.git staging/lustre/mgc: remove server specific handlers Remove the server specific set_info handlers (KEY_REGISTER_TARGET, KEY_SET_FS, KEY_CLEAR_FS) and supporting functions. Signed-off-by: John L. Hammond Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index b21a1359d280..970e91cb44f5 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -47,7 +47,6 @@ #include "../include/lprocfs_status.h" #include "../include/lustre_log.h" #include "../include/lustre_disk.h" -#include "../include/dt_object.h" #include "mgc_internal.h" @@ -628,150 +627,6 @@ static void mgc_requeue_add(struct config_llog_data *cld) } } -/********************** class fns **********************/ -static int mgc_local_llog_init(const struct lu_env *env, - struct obd_device *obd, - struct obd_device *disk) -{ - struct llog_ctxt *ctxt; - int rc; - - rc = llog_setup(env, obd, &obd->obd_olg, LLOG_CONFIG_ORIG_CTXT, disk, - &llog_osd_ops); - if (rc) - return rc; - - ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT); - LASSERT(ctxt); - ctxt->loc_dir = obd->u.cli.cl_mgc_configs_dir; - llog_ctxt_put(ctxt); - - return 0; -} - -static int mgc_local_llog_fini(const struct lu_env *env, - struct obd_device *obd) -{ - struct llog_ctxt *ctxt; - - ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT); - llog_cleanup(env, ctxt); - - return 0; -} - -static int mgc_fs_setup(struct obd_device *obd, struct super_block *sb) -{ - struct lustre_sb_info *lsi = s2lsi(sb); - struct client_obd *cli = &obd->u.cli; - struct lu_fid rfid, fid; - struct dt_object *root, *dto; - struct lu_env *env; - int rc = 0; - - LASSERT(lsi); - LASSERT(lsi->lsi_dt_dev); - - OBD_ALLOC_PTR(env); - if (env == NULL) - return -ENOMEM; - - /* The mgc fs exclusion mutex. Only one fs can be setup at a time. */ - mutex_lock(&cli->cl_mgc_mutex); - - cfs_cleanup_group_info(); - - /* Setup the configs dir */ - rc = lu_env_init(env, LCT_MG_THREAD); - if (rc) - goto out_err; - - fid.f_seq = FID_SEQ_LOCAL_NAME; - fid.f_oid = 1; - fid.f_ver = 0; - rc = local_oid_storage_init(env, lsi->lsi_dt_dev, &fid, - &cli->cl_mgc_los); - if (rc) - goto out_env; - - rc = dt_root_get(env, lsi->lsi_dt_dev, &rfid); - if (rc) - goto out_env; - - root = dt_locate_at(env, lsi->lsi_dt_dev, &rfid, - &cli->cl_mgc_los->los_dev->dd_lu_dev); - if (unlikely(IS_ERR(root))) { - rc = PTR_ERR(root); - goto out_los; - } - - dto = local_file_find_or_create(env, cli->cl_mgc_los, root, - MOUNT_CONFIGS_DIR, - S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO); - lu_object_put_nocache(env, &root->do_lu); - if (IS_ERR(dto)) { - rc = PTR_ERR(dto); - goto out_los; - } - - cli->cl_mgc_configs_dir = dto; - - LASSERT(lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt); - rc = mgc_local_llog_init(env, obd, lsi->lsi_osd_exp->exp_obd); - if (rc) - goto out_llog; - - /* We take an obd ref to insure that we can't get to mgc_cleanup - * without calling mgc_fs_cleanup first. */ - class_incref(obd, "mgc_fs", obd); - - /* We keep the cl_mgc_sem until mgc_fs_cleanup */ -out_llog: - if (rc) { - lu_object_put(env, &cli->cl_mgc_configs_dir->do_lu); - cli->cl_mgc_configs_dir = NULL; - } -out_los: - if (rc < 0) { - local_oid_storage_fini(env, cli->cl_mgc_los); - cli->cl_mgc_los = NULL; - mutex_unlock(&cli->cl_mgc_mutex); - } -out_env: - lu_env_fini(env); -out_err: - OBD_FREE_PTR(env); - return rc; -} - -static int mgc_fs_cleanup(struct obd_device *obd) -{ - struct lu_env env; - struct client_obd *cli = &obd->u.cli; - int rc; - - LASSERT(cli->cl_mgc_los != NULL); - - rc = lu_env_init(&env, LCT_MG_THREAD); - if (rc) - goto unlock; - - mgc_local_llog_fini(&env, obd); - - lu_object_put_nocache(&env, &cli->cl_mgc_configs_dir->do_lu); - cli->cl_mgc_configs_dir = NULL; - - local_oid_storage_fini(&env, cli->cl_mgc_los); - cli->cl_mgc_los = NULL; - lu_env_fini(&env); - -unlock: - class_decref(obd, "mgc_fs", obd); - mutex_unlock(&cli->cl_mgc_mutex); - - return 0; -} - static int mgc_llog_init(const struct lu_env *env, struct obd_device *obd) { struct llog_ctxt *ctxt; @@ -1131,38 +986,6 @@ int mgc_set_info_async(const struct lu_env *env, struct obd_export *exp, ptlrpc_reconnect_import(imp); return 0; } - /* FIXME move this to mgc_process_config */ - if (KEY_IS(KEY_REGISTER_TARGET)) { - struct mgs_target_info *mti; - if (vallen != sizeof(struct mgs_target_info)) - return -EINVAL; - mti = (struct mgs_target_info *)val; - CDEBUG(D_MGC, "register_target %s %#x\n", - mti->mti_svname, mti->mti_flags); - rc = mgc_target_register(exp, mti); - return rc; - } - if (KEY_IS(KEY_SET_FS)) { - struct super_block *sb = (struct super_block *)val; - - if (vallen != sizeof(struct super_block)) - return -EINVAL; - - rc = mgc_fs_setup(exp->exp_obd, sb); - if (rc) - CERROR("set_fs got %d\n", rc); - - return rc; - } - if (KEY_IS(KEY_CLEAR_FS)) { - if (vallen != 0) - return -EINVAL; - rc = mgc_fs_cleanup(exp->exp_obd); - if (rc) - CERROR("clear_fs got %d\n", rc); - - return rc; - } if (KEY_IS(KEY_SET_INFO)) { struct mgs_send_param *msp;