/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * lustre/obdclass/obd_mount.c
- * Client/server mount routines
+ * GPL HEADER START
*
- * Copyright (c) 2006 Cluster File Systems, Inc.
- * Author: Nathan Rutman <nathan@clusterfs.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org/
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see [sun.com URL with a
+ * copy of GPLv2].
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/obdclass/obd_mount.c
+ *
+ * Client/server mount routines
+ *
+ * Author: Nathan Rutman <nathan@clusterfs.com>
*/
/*********** mount lookup *********/
DECLARE_MUTEX(lustre_mount_info_lock);
-struct list_head server_mount_info_list = LIST_HEAD_INIT(server_mount_info_list);
+static CFS_LIST_HEAD(server_mount_info_list);
static struct lustre_mount_info *server_find_mount(const char *name)
{
"communication errors between this node and "
"the MGS, a bad configuration, or other "
"errors. See the syslog for more "
- "information.\n", mgc->obd_name, logname,
+ "information.\n", mgc->obd_name, logname,
rc);
/* class_obd_list(); */
DECLARE_MUTEX(mgc_start_lock);
-/* Set up a mgcobd to process startup logs */
+/** Set up a mgc obd to process startup logs
+ *
+ * \param sb [in] super block of the mgc obd
+ *
+ * \retval 0 success, otherwise error code
+ */
static int lustre_start_mgc(struct super_block *sb)
{
struct lustre_handle mgc_conn = {0, };
- struct obd_connect_data ocd = { 0 };
+ struct obd_connect_data *data = NULL;
struct lustre_sb_info *lsi = s2lsi(sb);
struct obd_device *obd;
struct obd_export *exp;
mutex_down(&mgc_start_lock);
obd = class_name2obd(mgcname);
- if (obd) {
+ if (obd && !obd->obd_stopping) {
/* Re-using an existing MGC */
atomic_inc(&obd->u.cli.cl_mgc_refcount);
recov_bk++;
CDEBUG(D_MOUNT, "%s: Set MGC reconnect %d\n", mgcname,recov_bk);
rc = obd_set_info_async(obd->obd_self_export,
- strlen(KEY_INIT_RECOV_BACKUP),
+ sizeof(KEY_INIT_RECOV_BACKUP),
KEY_INIT_RECOV_BACKUP,
sizeof(recov_bk), &recov_bk, NULL);
GOTO(out, rc = 0);
/* Try all connections, but only once. */
recov_bk = 1;
rc = obd_set_info_async(obd->obd_self_export,
- strlen(KEY_INIT_RECOV_BACKUP),
+ sizeof(KEY_INIT_RECOV_BACKUP),
KEY_INIT_RECOV_BACKUP,
sizeof(recov_bk), &recov_bk, NULL);
if (rc)
/* nonfatal */
- CERROR("can't set %s %d\n", KEY_INIT_RECOV_BACKUP, rc);
+ CWARN("can't set %s %d\n", KEY_INIT_RECOV_BACKUP, rc);
/* We connect to the MGS at setup, and don't disconnect until cleanup */
- rc = obd_connect(NULL, &mgc_conn, obd, &(obd->obd_uuid), &ocd);
+ OBD_ALLOC_PTR(data);
+ if (data == NULL)
+ GOTO(out, rc = -ENOMEM);
+ data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_FID |
+ OBD_CONNECT_AT;
+ data->ocd_version = LUSTRE_VERSION_CODE;
+ rc = obd_connect(NULL, &mgc_conn, obd, &(obd->obd_uuid), data, NULL);
+ OBD_FREE_PTR(data);
if (rc) {
CERROR("connect failed %d\n", rc);
GOTO(out, rc);
{
struct lustre_sb_info *lsi = s2lsi(sb);
struct obd_device *obd;
- char *niduuid, *ptr = 0;
- int i, rc = 0, len;
+ char *niduuid = 0, *ptr = 0;
+ int i, rc = 0, len = 0;
ENTRY;
if (!lsi)
obd = lsi->lsi_mgc;
if (!obd)
RETURN(-ENOENT);
-
lsi->lsi_mgc = NULL;
+
mutex_down(&mgc_start_lock);
if (!atomic_dec_and_test(&obd->u.cli.cl_mgc_refcount)) {
/* This is not fatal, every client that stops
GOTO(out, rc = -EBUSY);
}
- /* MGC must always stop */
- obd->obd_force = 1;
- /* client_disconnect_export uses the no_recov flag to decide whether it
- should disconnect or just invalidate. (The MGC has no
- recoverable data in any case.) */
+ /* The MGC has no recoverable data in any case.
+ * force shotdown set in umount_begin */
obd->obd_no_recov = 1;
- if (obd->u.cli.cl_mgc_mgsexp)
- obd_disconnect(obd->u.cli.cl_mgc_mgsexp);
+ if (obd->u.cli.cl_mgc_mgsexp) {
+ /* An error is not fatal, if we are unable to send the
+ disconnect mgs ping evictor cleans up the export */
+ rc = obd_disconnect(obd->u.cli.cl_mgc_mgsexp);
+ if (rc)
+ CDEBUG(D_MOUNT, "disconnect failed %d\n", rc);
+ }
/* Save the obdname for cleaning the nid uuids, which are
obdname_XX */
/* cl_mgc_sem in mgc insures we sleep if the mgc_fs is busy */
rc = obd_set_info_async(mgc->obd_self_export,
- strlen("set_fs"), "set_fs",
+ sizeof(KEY_SET_FS), KEY_SET_FS,
sizeof(*sb), sb, NULL);
if (rc) {
CERROR("can't set_fs %d\n", rc);
CDEBUG(D_MOUNT, "Unassign mgc disk\n");
rc = obd_set_info_async(mgc->obd_self_export,
- strlen("clear_fs"), "clear_fs",
+ sizeof(KEY_CLEAR_FS), KEY_CLEAR_FS,
0, NULL, NULL);
RETURN(rc);
}
return(0);
}
-static
-int mti_set_sec_opts(struct mgs_target_info *mti, struct lustre_mount_data *lmd)
-{
- char *s1, *s2;
-
- if (lmd->lmd_sec_mdt == NULL && lmd->lmd_sec_cli == NULL) {
- /* just let on-disk params do its work. but we have an
- * assumption that any changes of on-disk data by tune2fs
- * should lead to server rewrite log.
- */
- return 0;
- }
-
- /* filter out existing sec options */
- s1 = mti->mti_params;
- while (*s1) {
- int clear;
-
- while (*s1 == ' ')
- s1++;
-
- if (strncmp(s1, PARAM_SEC_RPC_MDT,
- sizeof(PARAM_SEC_RPC_MDT) - 1) == 0 ||
- strncmp(s1, PARAM_SEC_RPC_CLI,
- sizeof(PARAM_SEC_RPC_CLI) - 1) == 0)
- clear = 1;
- else
- clear = 0;
-
- s2 = strchr(s1, ' ');
- if (s2 == NULL) {
- if (clear)
- *s1 = '\0';
- break;
- }
- s2++;
- if (clear)
- memmove(s1, s2, strlen(s2) + 1);
- else
- s1 = s2;
- }
-
- /* append sec options from lmd */
- /* FIXME add flag LDD_F_UPDATE after mountconf start supporting
- * log updating.
- */
- if (lmd->lmd_sec_mdt) {
- if (strlen(mti->mti_params) + strlen(lmd->lmd_sec_mdt) +
- sizeof(PARAM_SEC_RPC_MDT) + 1 >= sizeof(mti->mti_params)) {
- CERROR("security params too big for mti\n");
- return -ENOMEM;
- }
- strcat(mti->mti_params, " "PARAM_SEC_RPC_MDT);
- strcat(mti->mti_params, lmd->lmd_sec_mdt);
- //mti->mti_flags |= LDD_F_UPDATE;
- }
- if (lmd->lmd_sec_cli) {
- if (strlen(mti->mti_params) + strlen(lmd->lmd_sec_cli) +
- sizeof(PARAM_SEC_RPC_CLI) + 2 > sizeof(mti->mti_params)) {
- CERROR("security params too big for mti\n");
- return -ENOMEM;
- }
- strcat(mti->mti_params, " "PARAM_SEC_RPC_CLI);
- strcat(mti->mti_params, lmd->lmd_sec_cli);
- //mti->mti_flags |= LDD_F_UPDATE;
- }
-
- return 0;
-}
-
static int server_sb2mti(struct super_block *sb, struct mgs_target_info *mti)
{
struct lustre_sb_info *lsi = s2lsi(sb);
struct lustre_disk_data *ldd = lsi->lsi_ldd;
- struct lustre_mount_data *lmd = lsi->lsi_lmd;
lnet_process_id_t id;
int i = 0;
ENTRY;
RETURN(-ENOMEM);
}
memcpy(mti->mti_params, ldd->ldd_params, sizeof(mti->mti_params));
-
- RETURN(mti_set_sec_opts(mti, lmd));
+ RETURN(0);
}
/* Register an old or new target with the MGS. If needed MGS will construct
/* Register the target */
/* FIXME use mgc_process_config instead */
rc = obd_set_info_async(mgc->u.cli.cl_mgc_mgsexp,
- strlen("register_target"), "register_target",
+ sizeof(KEY_REGISTER_TARGET), KEY_REGISTER_TARGET,
sizeof(*mti), mti, NULL);
- if (rc) {
- CERROR("registration with the MGS failed (%d)\n", rc);
+ if (rc)
GOTO(out, rc);
- }
/* Always update our flags */
ldd->ldd_flags = mti->mti_flags & ~LDD_F_REWRITE_LDD;
lsi->lsi_ldd->ldd_svname);
GOTO(out_mgc, rc);
}
+ /* non-fatal error of registeration with MGS */
+ if (rc)
+ CDEBUG(D_MOUNT, "Cannot register with MGS: %d\n", rc);
/* Let the target look up the mount using the target's name
(we can't pass the sb or mnt through class_process_config.) */
/* Default umount style */
lsi->lsi_flags = LSI_UMOUNT_FAILOVER;
- lsi->lsi_lmd->lmd_nllu = NOBODY_UID;
- lsi->lsi_lmd->lmd_nllg = NOBODY_GID;
RETURN(lsi);
}
if (lsi->lsi_lmd->lmd_profile != NULL)
OBD_FREE(lsi->lsi_lmd->lmd_profile,
strlen(lsi->lsi_lmd->lmd_profile) + 1);
- if (lsi->lsi_lmd->lmd_sec_mdt != NULL)
- OBD_FREE(lsi->lsi_lmd->lmd_sec_mdt,
- strlen(lsi->lsi_lmd->lmd_sec_mdt) + 1);
- if (lsi->lsi_lmd->lmd_sec_cli != NULL)
- OBD_FREE(lsi->lsi_lmd->lmd_sec_cli,
- strlen(lsi->lsi_lmd->lmd_sec_cli) + 1);
if (lsi->lsi_lmd->lmd_opts != NULL)
OBD_FREE(lsi->lsi_lmd->lmd_opts,
strlen(lsi->lsi_lmd->lmd_opts) + 1);
struct vfsmount *mnt;
char *options = NULL;
unsigned long page, s_flags;
+ struct page *__page;
int rc;
ENTRY;
/* Done with our pre-mount, now do the real mount. */
/* Glom up mount options */
- page = __get_free_page(GFP_KERNEL);
- if (!page)
+ OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
+ if (!__page)
GOTO(out_free, rc = -ENOMEM);
+ page = (unsigned long)cfs_page_address(__page);
options = (char *)page;
memset(options, 0, CFS_PAGE_SIZE);
MT_STR(ldd), lmd->lmd_dev, options);
mnt = ll_kern_mount(MT_STR(ldd), s_flags, lmd->lmd_dev,
(void *)options);
- free_page(page);
+ OBD_PAGE_FREE(__page);
if (IS_ERR(mnt)) {
rc = PTR_ERR(mnt);
CERROR("ll_kern_mount failed: rc = %d\n", rc);
{
wait_queue_head_t waitq;
struct l_wait_info lwi;
- int retries = 120;
+ int retries = 330;
init_waitqueue_head(&waitq);
CDEBUG(D_MOUNT, "server put_super %s\n", tmpname);
/* Stop the target */
- if (IS_MDT(lsi->lsi_ldd) || IS_OST(lsi->lsi_ldd)) {
+ if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOSVC) &&
+ (IS_MDT(lsi->lsi_ldd) || IS_OST(lsi->lsi_ldd))) {
struct lustre_profile *lprof = NULL;
/* tell the mgc to drop the config log */
obd = class_name2obd(lsi->lsi_ldd->ldd_svname);
if (obd) {
CDEBUG(D_MOUNT, "stopping %s\n", obd->obd_name);
- if (lsi->lsi_flags & LSI_UMOUNT_FORCE)
- obd->obd_force = 1;
if (lsi->lsi_flags & LSI_UMOUNT_FAILOVER)
obd->obd_fail = 1;
/* We can't seem to give an error return code
- to .put_super, so we better make sure we clean up! */
+ * to .put_super, so we better make sure we clean up! */
obd->obd_force = 1;
class_manual_cleanup(obd);
} else {
/* stop the mgc before the mgs so the connection gets cleaned
up */
lustre_stop_mgc(sb);
- server_stop_mgs(sb);
+ /* if MDS start with --nomgs, don't stop MGS then */
+ if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS))
+ server_stop_mgs(sb);
}
/* Clean the mgc and sb */
}
/* start MGS before MGC */
- if (IS_MGS(lsi->lsi_ldd)) {
+ if (IS_MGS(lsi->lsi_ldd) && !(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS)) {
rc = server_start_mgs(sb);
if (rc)
GOTO(out_mnt, rc);
PRINT_CMD(PRINT_MASK, "profile: %s\n", lmd->lmd_profile);
PRINT_CMD(PRINT_MASK, "device: %s\n", lmd->lmd_dev);
PRINT_CMD(PRINT_MASK, "flags: %x\n", lmd->lmd_flags);
- if (lmd->lmd_sec_mdt)
- PRINT_CMD(PRINT_MASK, "sec_mdt: %s\n", lmd->lmd_sec_mdt);
- if (lmd->lmd_sec_cli)
- PRINT_CMD(PRINT_MASK, "sec_cli: %s\n", lmd->lmd_sec_cli);
if (lmd->lmd_opts)
PRINT_CMD(PRINT_MASK, "options: %s\n", lmd->lmd_opts);
for (i = 0; i < lmd->lmd_exclude_count; i++) {
RETURN(rc);
}
-static
-int lmd_set_sec_opts(char **set, char *opts, int length)
-{
- if (*set)
- OBD_FREE(*set, strlen(*set) + 1);
-
- OBD_ALLOC(*set, length + 1);
- if (*set == NULL)
- return -ENOMEM;
-
- memcpy(*set, opts, length);
- (*set)[length] = '\0';
-
- return 0;
-}
-
-static
-int lmd_parse_sec_opts(struct lustre_mount_data *lmd, char *ptr)
-{
- char *tail;
- char **set = NULL;
- int length;
-
- /* check peer name */
- if (strncmp(ptr, "sec_mdt=", 8) == 0) {
- set = &lmd->lmd_sec_mdt;
- ptr += 8;
- } else if (strncmp(ptr, "sec_cli=", 8) == 0) {
- set = &lmd->lmd_sec_cli;
- ptr += 8;
- } else if (strncmp(ptr, "sec=", 4) == 0) {
- /* leave 'set' be null */
- ptr += 4;
- } else {
- CERROR("invalid security options: %s\n", ptr);
- return -EINVAL;
- }
-
- tail = strchr(ptr, ',');
- if (tail == NULL)
- length = strlen(ptr);
- else
- length = tail - ptr;
-
- if (set) {
- if (lmd_set_sec_opts(set, ptr, length))
- return -EINVAL;
- } else {
- if (lmd->lmd_sec_mdt == NULL &&
- lmd_set_sec_opts(&lmd->lmd_sec_mdt, ptr, length))
- return -EINVAL;
-
- if (lmd->lmd_sec_cli == NULL &&
- lmd_set_sec_opts(&lmd->lmd_sec_cli, ptr, length))
- return -EINVAL;
- }
-
- return 0;
-}
-
/* mount -v -t lustre uml1:uml2:/lustre-client /mnt/lustre */
static int lmd_parse(char *options, struct lustre_mount_data *lmd)
{
} else if (strncmp(s1, "nosvc", 5) == 0) {
lmd->lmd_flags |= LMD_FLG_NOSVC;
clear++;
+ } else if (strncmp(s1, "nomgs", 5) == 0) {
+ lmd->lmd_flags |= LMD_FLG_NOMGS;
+ clear++;
/* ost exclusion list */
} else if (strncmp(s1, "exclude=", 8) == 0) {
rc = lmd_make_exclusion(lmd, s1 + 7);
if (rc)
goto invalid;
clear++;
- } else if (strncmp(s1, "nllu=", 5) == 0) {
- lmd->lmd_nllu = simple_strtoul(s1 + 5, NULL, 10);
- clear++;
- } else if (strncmp(s1, "nllg=", 5) == 0) {
- lmd->lmd_nllg = simple_strtoul(s1 + 5, NULL, 10);
- clear++;
- } else if (strncmp(s1, "sec", 3) == 0) {
- rc = lmd_parse_sec_opts(lmd, s1);
- if (rc)
- goto invalid;
- clear++;
}
/* Linux 2.4 doesn't pass the device, so we stuck it at the
end of the options. */
.name = "lustre",
.get_sb = lustre_get_sb,
.kill_sb = lustre_kill_super,
- .fs_flags = FS_BINARY_MOUNTDATA | FS_REQUIRES_DEV,
+ .fs_flags = FS_BINARY_MOUNTDATA | FS_REQUIRES_DEV |
+ LL_RENAME_DOES_D_MOVE,
};
int lustre_register_fs(void)
EXPORT_SYMBOL(server_name2index);
EXPORT_SYMBOL(server_mti_print);
EXPORT_SYMBOL(do_lcfg);
-
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff