#define PRINT_CMD CDEBUG
#include <obd.h>
-#include <lvfs.h>
#include <obd_class.h>
#include <lustre/lustre_user.h>
#include <linux/version.h>
"client and the MGS are running compatible "
"versions of Lustre.\n",
mgc->obd_name, logname, rc);
-
- if (rc)
+ else if (rc != 0)
LCONSOLE_ERROR_MSG(0x15c, "%s: The configuration from log '%s' "
"failed (%d). This may be the result of "
"communication errors between this node and "
GOTO(out_free, rc);
/* Re-using an existing MGC */
- cfs_atomic_inc(&obd->u.cli.cl_mgc_refcount);
+ atomic_inc(&obd->u.cli.cl_mgc_refcount);
/* IR compatibility check, only for clients */
if (lmd_is_client(lsi->lsi_lmd)) {
sprintf(niduuid, "%s_%x", mgcname, i);
if (IS_SERVER(lsi)) {
ptr = lsi->lsi_lmd->lmd_mgs;
+ CDEBUG(D_MOUNT, "mgs nids %s.\n", ptr);
if (IS_MGS(lsi)) {
- /* Use local nids (including LO) */
- lnet_process_id_t id;
- while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
- rc = do_lcfg(mgcname, id.nid,
- LCFG_ADD_UUID, niduuid, 0,0,0);
- }
- } else {
- /* Use mgsnode= nids */
+ /* Use local nids (including LO) */
+ lnet_process_id_t id;
+ while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
+ rc = do_lcfg(mgcname, id.nid, LCFG_ADD_UUID,
+ niduuid, 0, 0, 0);
+ }
+ } else {
+ /* Use mgsnode= nids */
/* mount -o mgsnode=nid */
if (lsi->lsi_lmd->lmd_mgs) {
ptr = lsi->lsi_lmd->lmd_mgs;
} else if (class_find_param(ptr, PARAM_MGSNODE,
&ptr) != 0) {
- CERROR("No MGS nids given.\n");
- GOTO(out_free, rc = -EINVAL);
- }
- while (class_parse_nid(ptr, &nid, &ptr) == 0) {
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid, 0,0,0);
- i++;
- }
- }
+ CERROR("No MGS nids given.\n");
+ GOTO(out_free, rc = -EINVAL);
+ }
+ /*
+ * LU-3829.
+ * Here we only take the first mgsnid as its primary
+ * serving mgs node, the rest mgsnid will be taken as
+ * failover mgs node, otherwise they would be takens
+ * as multiple nids of a single mgs node.
+ */
+ while (class_parse_nid(ptr, &nid, &ptr) == 0) {
+ rc = do_lcfg(mgcname, nid, LCFG_ADD_UUID,
+ niduuid, 0, 0, 0);
+ if (rc == 0) {
+ i = 1;
+ break;
+ }
+ }
+ }
} else { /* client */
/* Use nids from mount line: uml1,1@elan:uml2,2@elan:/lustre */
ptr = lsi->lsi_lmd->lmd_dev;
while (class_parse_nid(ptr, &nid, &ptr) == 0) {
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid, 0,0,0);
- i++;
+ rc = do_lcfg(mgcname, nid, LCFG_ADD_UUID,
+ niduuid, 0, 0, 0);
+ if (rc == 0)
+ ++i;
/* Stop at the first failover nid */
if (*ptr == ':')
break;
i = 1;
while (ptr && ((*ptr == ':' ||
class_find_param(ptr, PARAM_MGSNODE, &ptr) == 0))) {
- /* New failover node */
- sprintf(niduuid, "%s_%x", mgcname, i);
- j = 0;
+ /* New failover node */
+ sprintf(niduuid, "%s_%x", mgcname, i);
+ j = 0;
while (class_parse_nid_quiet(ptr, &nid, &ptr) == 0) {
- j++;
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid, 0,0,0);
- if (*ptr == ':')
- break;
- }
- if (j > 0) {
- rc = do_lcfg(mgcname, 0, LCFG_ADD_CONN,
- niduuid, 0, 0, 0);
- i++;
+ rc = do_lcfg(mgcname, nid, LCFG_ADD_UUID,
+ niduuid, 0, 0, 0);
+ if (rc == 0)
+ ++j;
+ if (*ptr == ':')
+ break;
+ }
+ if (j > 0) {
+ rc = do_lcfg(mgcname, 0, LCFG_ADD_CONN,
+ niduuid, 0, 0, 0);
+ if (rc == 0)
+ ++i;
} else {
/* at ":/fsname" */
break;
/* Keep a refcount of servers/clients who started with "mount",
so we know when we can get rid of the mgc. */
- cfs_atomic_set(&obd->u.cli.cl_mgc_refcount, 1);
+ atomic_set(&obd->u.cli.cl_mgc_refcount, 1);
/* Try all connections, but only once. */
recov_bk = 1;
lsi->lsi_mgc = NULL;
mutex_lock(&mgc_start_lock);
- LASSERT(cfs_atomic_read(&obd->u.cli.cl_mgc_refcount) > 0);
- if (!cfs_atomic_dec_and_test(&obd->u.cli.cl_mgc_refcount)) {
+ LASSERT(atomic_read(&obd->u.cli.cl_mgc_refcount) > 0);
+ if (!atomic_dec_and_test(&obd->u.cli.cl_mgc_refcount)) {
/* This is not fatal, every client that stops
will call in here. */
CDEBUG(D_MOUNT, "mgc still has %d references.\n",
- cfs_atomic_read(&obd->u.cli.cl_mgc_refcount));
+ atomic_read(&obd->u.cli.cl_mgc_refcount));
GOTO(out, rc = -EBUSY);
}
lsi->lsi_lmd->lmd_recovery_time_hard = 0;
s2lsi_nocast(sb) = lsi;
/* we take 1 extra ref for our setup */
- cfs_atomic_set(&lsi->lsi_mounts, 1);
+ atomic_set(&lsi->lsi_mounts, 1);
/* Default umount style */
lsi->lsi_flags = LSI_UMOUNT_FAILOVER;
+ INIT_LIST_HEAD(&lsi->lsi_lwp_list);
+ spin_lock_init(&lsi->lsi_lwp_lock);
- RETURN(lsi);
+ RETURN(lsi);
}
static int lustre_free_lsi(struct super_block *sb)
CDEBUG(D_MOUNT, "Freeing lsi %p\n", lsi);
/* someone didn't call server_put_mount. */
- LASSERT(cfs_atomic_read(&lsi->lsi_mounts) == 0);
+ LASSERT(atomic_read(&lsi->lsi_mounts) == 0);
if (lsi->lsi_lmd != NULL) {
if (lsi->lsi_lmd->lmd_dev != NULL)
LASSERT(lsi != NULL);
- CDEBUG(D_MOUNT, "put %p %d\n", sb, cfs_atomic_read(&lsi->lsi_mounts));
- if (cfs_atomic_dec_and_test(&lsi->lsi_mounts)) {
+ CDEBUG(D_MOUNT, "put %p %d\n", sb, atomic_read(&lsi->lsi_mounts));
+ if (atomic_dec_and_test(&lsi->lsi_mounts)) {
if (IS_SERVER(lsi) && lsi->lsi_osd_exp) {
lu_device_put(&lsi->lsi_dt_dev->dd_lu_dev);
lsi->lsi_osd_exp->exp_obd->obd_lvfs_ctxt.dt = NULL;
}
EXPORT_SYMBOL(server_name2svname);
-
-/* Get the index from the obd name.
- rc = server type, or
- rc < 0 on error
- if endptr isn't NULL it is set to end of name */
-int server_name2index(const char *svname, __u32 *idx, const char **endptr)
+/**
+ * check server name is OST.
+ **/
+int server_name_is_ost(const char *svname)
{
- unsigned long index;
- int rc;
const char *dash;
+ int rc;
/* We use server_name2fsname() just for parsing */
rc = server_name2fsname(svname, NULL, &dash);
dash++;
+ if (strncmp(dash, "OST", 3) == 0)
+ return 1;
+ return 0;
+}
+EXPORT_SYMBOL(server_name_is_ost);
+
+/**
+ * Get the index from the target name MDTXXXX/OSTXXXX
+ * rc = server type, or rc < 0 on error
+ **/
+int target_name2index(const char *tgtname, __u32 *idx, const char **endptr)
+{
+ const char *dash = tgtname;
+ unsigned long index;
+ int rc;
+
if (strncmp(dash, "MDT", 3) == 0)
rc = LDD_F_SV_TYPE_MDT;
else if (strncmp(dash, "OST", 3) == 0)
index = simple_strtoul(dash, (char **)endptr, 16);
if (idx != NULL)
*idx = index;
+ return rc;
+}
+EXPORT_SYMBOL(target_name2index);
+
+/* Get the index from the obd name.
+ rc = server type, or
+ rc < 0 on error
+ if endptr isn't NULL it is set to end of name */
+int server_name2index(const char *svname, __u32 *idx, const char **endptr)
+{
+ const char *dash;
+ int rc;
+
+ /* We use server_name2fsname() just for parsing */
+ rc = server_name2fsname(svname, NULL, &dash);
+ if (rc != 0)
+ return rc;
+
+ dash++;
+ rc = target_name2index(dash, idx, endptr);
+ if (rc < 0)
+ return rc;
/* Account for -mdc after index that is possible when specifying mdt */
if (endptr != NULL && strncmp(LUSTRE_MDC_NAME, *endptr + 1,
*/
static int lmd_parse(char *options, struct lustre_mount_data *lmd)
{
- char *s1, *s2, *devname = NULL;
+ char *s1, *s2, *s3, *devname = NULL;
struct lustre_mount_data *raw = (struct lustre_mount_data *)options;
int rc = 0;
ENTRY;
/* Skip whitespace and extra commas */
while (*s1 == ' ' || *s1 == ',')
s1++;
+ s3 = s1;
/* Client options are parsed in ll_options: eg. flock,
user_xattr, acl */
rc = lmd_parse_mgs(lmd, &s2);
if (rc)
goto invalid;
+ s3 = s2;
clear++;
} else if (strncmp(s1, "writeconf", 9) == 0) {
lmd->lmd_flags |= LMD_FLG_WRITECONF;
} else if (strncmp(s1, "param=", 6) == 0) {
int length;
char *tail = strchr(s1 + 6, ',');
- if (tail == NULL)
+ if (tail == NULL) {
length = strlen(s1);
- else
- length = tail - s1;
+ } else {
+ lnet_nid_t nid;
+ char *param_str = tail + 1;
+ int supplementary = 1;
+
+ while (class_parse_nid_quiet(param_str, &nid,
+ ¶m_str) == 0) {
+ supplementary = 0;
+ }
+ length = param_str - s1 - supplementary;
+ }
length -= 6;
strncat(lmd->lmd_params, s1 + 6, length);
strcat(lmd->lmd_params, " ");
+ s3 = s1 + 6 + length;
clear++;
} else if (strncmp(s1, "osd=", 4) == 0) {
rc = lmd_parse_string(&lmd->lmd_osd_type, s1 + 4);
break;
}
- /* Find next opt */
- s2 = strchr(s1, ',');
+ /* Find next opt */
+ s2 = strchr(s3, ',');
if (s2 == NULL) {
if (clear)
*s1 = '\0';
git://git.whamcloud.com / fs / lustre-release.git / blobdiff