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Date: Sat, 30 Aug 2014 17:12:47 -0400
From: Oleg Drokin <green@...uxhacker.ru>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
Andreas Dilger <andreas.dilger@...el.com>
Cc: "John L. Hammond" <john.hammond@...el.com>,
Oleg Drokin <green@...uxhacker.ru>
Subject: [PATCH 08/12] staging/lustre/mgc: remove server specific handlers
From: "John L. Hammond" <john.hammond@...el.com>
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 <john.hammond@...el.com>
Signed-off-by: Oleg Drokin <green@...uxhacker.ru>
---
drivers/staging/lustre/lustre/mgc/mgc_request.c | 177 ------------------------
1 file changed, 177 deletions(-)
diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c
index b21a135..970e91c 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;
--
1.9.3
--
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