-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Nathan Rutman <nathan@clusterfs.com>
*/
-#ifndef EXPORT_SYMTAB
-#define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_MGS
#define D_MGS D_CONFIG
*/
/* It might be better to have a separate db file, instead of parsing the info
out of the client log. This is slow and potentially error-prone. */
-static int mgs_fsdb_handler(struct llog_handle *llh, struct llog_rec_hdr *rec,
- void *data)
+static int mgs_fsdb_handler(const struct lu_env *env, struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data)
{
- struct mgs_fsdb_handler_data *d = (struct mgs_fsdb_handler_data *) data;
+ struct mgs_fsdb_handler_data *d = data;
struct fs_db *fsdb = d->fsdb;
int cfg_len = rec->lrh_len;
char *cfg_buf = (char*) (rec + 1);
RETURN(rc);
}
-/* fsdb->fsdb_sem is already held in mgs_find_or_make_fsdb*/
+/* fsdb->fsdb_mutex is already held in mgs_find_or_make_fsdb*/
static int mgs_get_fsdb_from_llog(struct obd_device *obd, struct fs_db *fsdb)
{
char *logname;
ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
LASSERT(ctxt != NULL);
name_create(&logname, fsdb->fsdb_name, "-client");
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &loghandle, NULL, logname);
- if (rc)
- GOTO(out_pop, rc);
+ rc = llog_create(NULL, ctxt, &loghandle, NULL, logname);
+ if (rc)
+ GOTO(out_pop, rc);
- rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_init_handle(NULL, loghandle, LLOG_F_IS_PLAIN, NULL);
if (rc)
GOTO(out_close, rc);
if (llog_get_size(loghandle) <= 1)
cfs_set_bit(FSDB_LOG_EMPTY, &fsdb->fsdb_flags);
- rc = llog_process(loghandle, mgs_fsdb_handler, (void *) &d, NULL);
- CDEBUG(D_INFO, "get_db = %d\n", rc);
+ rc = llog_process(NULL, loghandle, mgs_fsdb_handler, (void *) &d,
+ NULL);
+ CDEBUG(D_INFO, "get_db = %d\n", rc);
out_close:
- rc2 = llog_close(loghandle);
+ rc2 = llog_close(NULL, loghandle);
if (!rc)
rc = rc2;
out_pop:
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- cfs_up(&fsdb->fsdb_sem);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
name_destroy(&logname);
llog_ctxt_put(ctxt);
RETURN(NULL);
strcpy(fsdb->fsdb_name, fsname);
- cfs_sema_init(&fsdb->fsdb_sem, 1);
+ cfs_mutex_init(&fsdb->fsdb_mutex);
cfs_set_bit(FSDB_UDESC, &fsdb->fsdb_flags);
if (strcmp(fsname, MGSSELF_NAME) == 0) {
static void mgs_free_fsdb(struct obd_device *obd, struct fs_db *fsdb)
{
/* wait for anyone with the sem */
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
lproc_mgs_del_live(obd, fsdb);
cfs_list_del(&fsdb->fsdb_list);
name_destroy(&fsdb->fsdb_mdtlmv);
name_destroy(&fsdb->fsdb_mdc);
mgs_free_fsdb_srpc(fsdb);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
OBD_FREE_PTR(fsdb);
}
struct mgs_obd *mgs = &obd->u.mgs;
struct fs_db *fsdb;
cfs_list_t *tmp, *tmp2;
- cfs_down(&mgs->mgs_sem);
+ cfs_mutex_lock(&mgs->mgs_mutex);
cfs_list_for_each_safe(tmp, tmp2, &mgs->mgs_fs_db_list) {
fsdb = cfs_list_entry(tmp, struct fs_db, fsdb_list);
mgs_free_fsdb(obd, fsdb);
}
- cfs_up(&mgs->mgs_sem);
+ cfs_mutex_unlock(&mgs->mgs_mutex);
return 0;
}
struct fs_db *fsdb;
int rc = 0;
- cfs_down(&mgs->mgs_sem);
+ cfs_mutex_lock(&mgs->mgs_mutex);
fsdb = mgs_find_fsdb(obd, name);
if (fsdb) {
- cfs_up(&mgs->mgs_sem);
+ cfs_mutex_unlock(&mgs->mgs_mutex);
*dbh = fsdb;
return 0;
}
CDEBUG(D_MGS, "Creating new db\n");
fsdb = mgs_new_fsdb(obd, name);
- cfs_up(&mgs->mgs_sem);
+ cfs_mutex_unlock(&mgs->mgs_mutex);
if (!fsdb)
return -ENOMEM;
cfs_set_bit(mti->mti_stripe_index, imap);
cfs_clear_bit(FSDB_LOG_EMPTY, &fsdb->fsdb_flags);
- server_make_name(mti->mti_flags, mti->mti_stripe_index,
+ server_make_name(mti->mti_flags & ~LDD_F_VIRGIN, mti->mti_stripe_index,
mti->mti_fsname, mti->mti_svname);
CDEBUG(D_MGS, "Set index for %s to %d\n", mti->mti_svname,
int mml_modified;
};
-static int mgs_modify_handler(struct llog_handle *llh, struct llog_rec_hdr *rec,
- void *data)
+static int mgs_modify_handler(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data)
{
- struct mgs_modify_lookup *mml = (struct mgs_modify_lookup *)data;
+ struct mgs_modify_lookup *mml = data;
struct cfg_marker *marker;
struct lustre_cfg *lcfg = (struct lustre_cfg *)(rec + 1);
int cfg_len = rec->lrh_len - sizeof(struct llog_rec_hdr) -
/* Header and tail are added back to lrh_len in
llog_lvfs_write_rec */
rec->lrh_len = cfg_len;
- rc = llog_write_rec(llh, rec, NULL, 0, (void *)lcfg,
- rec->lrh_index);
+ rc = llog_write_rec(NULL, llh, rec, NULL, 0, (void *)lcfg,
+ rec->lrh_index);
if (!rc)
mml->mml_modified++;
}
ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
LASSERT(ctxt != NULL);
- rc = llog_create(ctxt, &loghandle, NULL, logname);
+ rc = llog_create(NULL, ctxt, &loghandle, NULL, logname);
if (rc)
GOTO(out_pop, rc);
- rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_init_handle(NULL, loghandle, LLOG_F_IS_PLAIN, NULL);
if (rc)
GOTO(out_close, rc);
mml->mml_marker.cm_flags = flags;
mml->mml_marker.cm_canceltime = flags ? cfs_time_current_sec() : 0;
mml->mml_modified = 0;
- rc = llog_process(loghandle, mgs_modify_handler, (void *)mml, NULL);
+ rc = llog_process(NULL, loghandle, mgs_modify_handler, (void *)mml,
+ NULL);
if (!rc && !mml->mml_modified)
rc = -ENODEV;
OBD_FREE_PTR(mml);
out_close:
- rc2 = llog_close(loghandle);
+ rc2 = llog_close(NULL, loghandle);
if (!rc)
rc = rc2;
out_pop:
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
/* idx = -1 means append */
- rc = llog_write_rec(llh, &rec, NULL, 0, (void *)lcfg, -1);
+ rc = llog_write_rec(NULL, llh, &rec, NULL, 0, (void *)lcfg, -1);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
if (rc)
CERROR("failed %d\n", rc);
GOTO(out, rc = -ENODEV);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, llh, NULL, name);
- if (rc == 0)
- llog_init_handle(*llh, LLOG_F_IS_PLAIN, &cfg_uuid);
- else
- *llh = NULL;
+ rc = llog_create(NULL, ctxt, llh, NULL, name);
+ if (rc == 0)
+ llog_init_handle(NULL, *llh, LLOG_F_IS_PLAIN, &cfg_uuid);
+ else
+ *llh = NULL;
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
llog_ctxt_put(ctxt);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_close(*llh);
+ rc = llog_close(NULL, *llh);
*llh = NULL;
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
ctxt = llog_get_context(obd, LLOG_CONFIG_ORIG_CTXT);
LASSERT(ctxt != NULL);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &llh, NULL, name);
+ rc = llog_create(NULL, ctxt, &llh, NULL, name);
if (rc == 0) {
- llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- rc = llog_get_size(llh);
- llog_close(llh);
+ llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_get_size(llh);
+ llog_close(NULL, llh);
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
llog_ctxt_put(ctxt);
static void name_create_mdt_and_lov(char **logname, char **lovname,
struct fs_db *fsdb, int i);
-static int mgs_steal_llog_handler(struct llog_handle *llh,
- struct llog_rec_hdr *rec,
- void *data)
+static int mgs_steal_llog_handler(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data)
{
struct obd_device * obd;
struct mgs_target_info *mti, *tmti;
RETURN(rc);
}
-/* fsdb->fsdb_sem is already held in mgs_write_log_target*/
+/* fsdb->fsdb_mutex is already held in mgs_write_log_target*/
/* stealed from mgs_get_fsdb_from_llog*/
static int mgs_steal_llog_for_mdt_from_client(struct obd_device *obd,
char *client_name,
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &loghandle, NULL, client_name);
+ rc = llog_create(NULL, ctxt, &loghandle, NULL, client_name);
if (rc)
GOTO(out_pop, rc);
- rc = llog_init_handle(loghandle, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_init_handle(NULL, loghandle, LLOG_F_IS_PLAIN, NULL);
if (rc)
GOTO(out_close, rc);
- rc = llog_process(loghandle, mgs_steal_llog_handler, (void *)comp, NULL);
+ rc = llog_process(NULL, loghandle, mgs_steal_llog_handler,
+ (void *)comp, NULL);
CDEBUG(D_MGS, "steal llog re = %d\n", rc);
out_close:
- rc2 = llog_close(loghandle);
+ rc2 = llog_close(NULL, loghandle);
if (!rc)
rc = rc2;
out_pop:
/* write global variable settings into log */
static int mgs_write_log_sys(struct obd_device *obd, struct fs_db *fsdb,
- struct mgs_target_info *mti, char *sys, char *ptr)
-{
- struct lustre_cfg_bufs bufs;
- struct lustre_cfg *lcfg;
- char *tmp;
- char sep;
- int cmd, val;
- int rc;
-
- if (class_match_param(ptr, PARAM_TIMEOUT, &tmp) == 0)
- cmd = LCFG_SET_TIMEOUT;
- else if (class_match_param(ptr, PARAM_LDLM_TIMEOUT, &tmp) == 0)
- cmd = LCFG_SET_LDLM_TIMEOUT;
- /* Check for known params here so we can return error to lctl */
- else if ((class_match_param(ptr, PARAM_AT_MIN, &tmp) == 0)
- || (class_match_param(ptr, PARAM_AT_MAX, &tmp) == 0)
- || (class_match_param(ptr, PARAM_AT_EXTRA, &tmp) == 0)
- || (class_match_param(ptr, PARAM_AT_EARLY_MARGIN, &tmp) == 0)
- || (class_match_param(ptr, PARAM_AT_HISTORY, &tmp) == 0))
- cmd = LCFG_PARAM;
- else
- return -EINVAL;
-
- /* separate the value */
- val = simple_strtoul(tmp, NULL, 0);
- if (*tmp == '\0')
- CDEBUG(D_MGS, "global '%s' removed\n", sys);
- else
- CDEBUG(D_MGS, "global '%s' val=%d\n", sys, val);
-
- lustre_cfg_bufs_reset(&bufs, NULL);
- lustre_cfg_bufs_set_string(&bufs, 1, sys);
- lcfg = lustre_cfg_new(cmd, &bufs);
- lcfg->lcfg_num = val;
- /* truncate the comment to the parameter name */
- ptr = tmp - 1;
- sep = *ptr;
- *ptr = '\0';
- /* modify all servers and clients */
- rc = mgs_write_log_direct_all(obd, fsdb, mti,
- *tmp == '\0' ? NULL : lcfg,
- mti->mti_fsname, sys);
- *ptr = sep;
- lustre_cfg_free(lcfg);
- return rc;
+ struct mgs_target_info *mti, char *sys, char *ptr)
+{
+ struct lustre_cfg_bufs bufs;
+ struct lustre_cfg *lcfg;
+ char *tmp, sep;
+ int rc, cmd, convert = 1;
+
+ if (class_match_param(ptr, PARAM_TIMEOUT, &tmp) == 0) {
+ cmd = LCFG_SET_TIMEOUT;
+ } else if (class_match_param(ptr, PARAM_LDLM_TIMEOUT, &tmp) == 0) {
+ cmd = LCFG_SET_LDLM_TIMEOUT;
+ /* Check for known params here so we can return error to lctl */
+ } else if ((class_match_param(ptr, PARAM_AT_MIN, &tmp) == 0) ||
+ (class_match_param(ptr, PARAM_AT_MAX, &tmp) == 0) ||
+ (class_match_param(ptr, PARAM_AT_EXTRA, &tmp) == 0) ||
+ (class_match_param(ptr, PARAM_AT_EARLY_MARGIN, &tmp) == 0) ||
+ (class_match_param(ptr, PARAM_AT_HISTORY, &tmp) == 0)) {
+ cmd = LCFG_PARAM;
+ } else if (class_match_param(ptr, PARAM_JOBID_VAR, &tmp) == 0) {
+ convert = 0; /* Don't convert string value to integer */
+ cmd = LCFG_PARAM;
+ } else {
+ return -EINVAL;
+ }
+
+ if (mgs_param_empty(ptr))
+ CDEBUG(D_MGS, "global '%s' removed\n", sys);
+ else
+ CDEBUG(D_MGS, "global '%s' val=%s\n", sys, tmp);
+
+ lustre_cfg_bufs_reset(&bufs, NULL);
+ lustre_cfg_bufs_set_string(&bufs, 1, sys);
+ if (!convert && *tmp != '\0')
+ lustre_cfg_bufs_set_string(&bufs, 2, tmp);
+ lcfg = lustre_cfg_new(cmd, &bufs);
+ lcfg->lcfg_num = convert ? simple_strtoul(tmp, NULL, 0) : 0;
+ /* truncate the comment to the parameter name */
+ ptr = tmp - 1;
+ sep = *ptr;
+ *ptr = '\0';
+ /* modify all servers and clients */
+ rc = mgs_write_log_direct_all(obd, fsdb, mti,
+ *tmp == '\0' ? NULL : lcfg,
+ mti->mti_fsname, sys);
+ if (rc == 0 && *tmp != '\0') {
+ switch (cmd) {
+ case LCFG_SET_TIMEOUT:
+ if (!obd_timeout_set || lcfg->lcfg_num > obd_timeout)
+ class_process_config(lcfg);
+ break;
+ case LCFG_SET_LDLM_TIMEOUT:
+ if (!ldlm_timeout_set || lcfg->lcfg_num > ldlm_timeout)
+ class_process_config(lcfg);
+ break;
+ default:
+ break;
+ }
+ }
+ *ptr = sep;
+ lustre_cfg_free(lcfg);
+ return rc;
}
static int mgs_srpc_set_param_disk(struct obd_device *obd,
int msrd_skip;
};
-static int mgs_srpc_read_handler(struct llog_handle *llh,
- struct llog_rec_hdr *rec,
- void *data)
+static int mgs_srpc_read_handler(const struct lu_env *env,
+ struct llog_handle *llh,
+ struct llog_rec_hdr *rec, void *data)
{
- struct mgs_srpc_read_data *msrd = (struct mgs_srpc_read_data *) data;
+ struct mgs_srpc_read_data *msrd = data;
struct cfg_marker *marker;
struct lustre_cfg *lcfg = (struct lustre_cfg *)(rec + 1);
char *svname, *param;
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &llh, NULL, logname);
+ rc = llog_create(NULL, ctxt, &llh, NULL, logname);
if (rc)
GOTO(out_pop, rc);
- rc = llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
if (rc)
GOTO(out_close, rc);
msrd.msrd_fsdb = fsdb;
msrd.msrd_skip = 0;
- rc = llog_process(llh, mgs_srpc_read_handler, (void *) &msrd, NULL);
+ rc = llog_process(NULL, llh, mgs_srpc_read_handler, (void *) &msrd,
+ NULL);
out_close:
- llog_close(llh);
+ llog_close(NULL, llh);
out_pop:
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
out:
the failover list. Modify mti->params for rewriting back at
server_register_target(). */
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
rc = mgs_write_log_add_failnid(obd, fsdb, mti);
- cfs_up(&fsdb->fsdb_sem);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
RETURN(rc);
#endif
}
}
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
if (mti->mti_flags &
(LDD_F_VIRGIN | LDD_F_UPGRADE14 | LDD_F_WRITECONF)) {
OBD_FREE(buf, strlen(mti->mti_params) + 1);
out_up:
- cfs_up(&fsdb->fsdb_sem);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
RETURN(rc);
}
LASSERT(ctxt != NULL);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(ctxt, &llh, NULL, name);
- if (rc == 0) {
- llog_init_handle(llh, LLOG_F_IS_PLAIN, NULL);
- rc = llog_destroy(llh);
+ rc = llog_create(NULL, ctxt, &llh, NULL, name);
+ if (rc == 0) {
+ llog_init_handle(NULL, llh, LLOG_F_IS_PLAIN, NULL);
+ rc = llog_destroy(NULL, llh);
llog_free_handle(llh);
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
RETURN(rc);
}
- cfs_down(&mgs->mgs_sem);
+ cfs_mutex_lock(&mgs->mgs_mutex);
/* Delete the fs db */
fsdb = mgs_find_fsdb(obd, fsname);
OBD_FREE(dirent, sizeof(*dirent));
}
- cfs_up(&mgs->mgs_sem);
+ cfs_mutex_unlock(&mgs->mgs_mutex);
RETURN(rc);
}
mti->mti_flags = rc | LDD_F_PARAM;
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
rc = mgs_write_log_param(obd, fsdb, mti, mti->mti_params);
- cfs_up(&fsdb->fsdb_sem);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
/*
* Revoke lock so everyone updates. Should be alright if
* so we don't really need to hold the lock while we're
* writing (above).
*/
- mgs_revoke_lock(obd, fsdb);
+ mgs_revoke_lock(obd, fsdb, CONFIG_T_CONFIG);
out:
OBD_FREE_PTR(mti);
RETURN(rc);
}
}
- cfs_down(&fsdb->fsdb_sem);
+ cfs_mutex_lock(&fsdb->fsdb_mutex);
if (canceled_label != NULL) {
OBD_ALLOC_PTR(mti);
cmd, fsname, poolname, ostname, label);
name_destroy(&logname);
- cfs_up(&fsdb->fsdb_sem);
+ cfs_mutex_unlock(&fsdb->fsdb_mutex);
/* request for update */
- mgs_revoke_lock(obd, fsdb);
+ mgs_revoke_lock(obd, fsdb, CONFIG_T_CONFIG);
EXIT;
out:
git://git.whamcloud.com / fs / lustre-release.git / blobdiff