-/* -*- 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.
#include <lustre_log.h>
#include <lustre_disk.h>
#include <lustre_param.h>
+#ifdef HAVE_KERNEL_LOCKED
+#include <linux/smp_lock.h>
+#endif
static int (*client_fill_super)(struct super_block *sb,
struct vfsmount *mnt) = NULL;
/*********** mount lookup *********/
-CFS_DECLARE_MUTEX(lustre_mount_info_lock);
+CFS_DEFINE_MUTEX(lustre_mount_info_lock);
static CFS_LIST_HEAD(server_mount_info_list);
static struct lustre_mount_info *server_find_mount(const char *name)
char *name_cp;
ENTRY;
- LASSERT(mnt);
LASSERT(sb);
OBD_ALLOC(lmi, sizeof(*lmi));
}
strcpy(name_cp, name);
- cfs_down(&lustre_mount_info_lock);
+ cfs_mutex_lock(&lustre_mount_info_lock);
if (server_find_mount(name)) {
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
OBD_FREE(lmi, sizeof(*lmi));
OBD_FREE(name_cp, strlen(name) + 1);
CERROR("Already registered %s\n", name);
lmi->lmi_mnt = mnt;
cfs_list_add(&lmi->lmi_list_chain, &server_mount_info_list);
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
- CDEBUG(D_MOUNT, "reg_mnt %p from %s, vfscount=%d\n",
- lmi->lmi_mnt, name, mnt_get_count(lmi->lmi_mnt));
+ CDEBUG(D_MOUNT, "reg_mnt %p from %s\n", lmi->lmi_mnt, name);
RETURN(0);
}
struct lustre_mount_info *lmi;
ENTRY;
- cfs_down(&lustre_mount_info_lock);
+ cfs_mutex_lock(&lustre_mount_info_lock);
lmi = server_find_mount(name);
if (!lmi) {
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
CERROR("%s not registered\n", name);
RETURN(-ENOENT);
}
- CDEBUG(D_MOUNT, "dereg_mnt %p from %s, vfscount=%d\n",
- lmi->lmi_mnt, name, mnt_get_count(lmi->lmi_mnt));
+ CDEBUG(D_MOUNT, "dereg_mnt %p from %s\n", lmi->lmi_mnt, name);
OBD_FREE(lmi->lmi_name, strlen(lmi->lmi_name) + 1);
cfs_list_del(&lmi->lmi_list_chain);
OBD_FREE(lmi, sizeof(*lmi));
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
RETURN(0);
}
struct lustre_sb_info *lsi;
ENTRY;
- cfs_down(&lustre_mount_info_lock);
+ cfs_mutex_lock(&lustre_mount_info_lock);
lmi = server_find_mount(name);
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
if (!lmi) {
CERROR("Can't find mount for %s\n", name);
RETURN(NULL);
}
lsi = s2lsi(lmi->lmi_sb);
- mntget(lmi->lmi_mnt);
+
cfs_atomic_inc(&lsi->lsi_mounts);
- CDEBUG(D_MOUNT, "get_mnt %p from %s, refs=%d, vfscount=%d\n",
- lmi->lmi_mnt, name, cfs_atomic_read(&lsi->lsi_mounts),
- mnt_get_count(lmi->lmi_mnt));
+ CDEBUG(D_MOUNT, "get_mnt %p from %s, refs=%d\n", lmi->lmi_mnt,
+ name, cfs_atomic_read(&lsi->lsi_mounts));
RETURN(lmi);
}
+EXPORT_SYMBOL(server_get_mount);
/*
* Used by mdt to get mount_info from obdname.
struct lustre_mount_info *lmi;
ENTRY;
- cfs_down(&lustre_mount_info_lock);
+ cfs_mutex_lock(&lustre_mount_info_lock);
lmi = server_find_mount(name);
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
if (!lmi)
CERROR("Can't find mount for %s\n", name);
RETURN(lmi);
}
-
-static void unlock_mntput(struct vfsmount *mnt)
-{
- if (kernel_locked()) {
- cfs_unlock_kernel();
- mntput(mnt);
- cfs_lock_kernel();
- } else {
- mntput(mnt);
- }
-}
+EXPORT_SYMBOL(server_get_mount_2);
static int lustre_put_lsi(struct super_block *sb);
{
struct lustre_mount_info *lmi;
struct lustre_sb_info *lsi;
- int count = mnt_get_count(mnt) - 1;
ENTRY;
- /* This might be the last one, can't deref after this */
- unlock_mntput(mnt);
-
- cfs_down(&lustre_mount_info_lock);
+ cfs_mutex_lock(&lustre_mount_info_lock);
lmi = server_find_mount(name);
- cfs_up(&lustre_mount_info_lock);
+ cfs_mutex_unlock(&lustre_mount_info_lock);
if (!lmi) {
CERROR("Can't find mount for %s\n", name);
RETURN(-ENOENT);
}
lsi = s2lsi(lmi->lmi_sb);
- LASSERT(lmi->lmi_mnt == mnt);
- CDEBUG(D_MOUNT, "put_mnt %p from %s, refs=%d, vfscount=%d\n",
- lmi->lmi_mnt, name, cfs_atomic_read(&lsi->lsi_mounts), count);
+ CDEBUG(D_MOUNT, "put_mnt %p from %s, refs=%d\n",
+ lmi->lmi_mnt, name, cfs_atomic_read(&lsi->lsi_mounts));
- if (lustre_put_lsi(lmi->lmi_sb)) {
- CDEBUG(D_MOUNT, "Last put of mnt %p from %s, vfscount=%d\n",
- lmi->lmi_mnt, name, count);
- /* last mount is the One True Mount */
- if (count > 1)
- CERROR("%s: mount busy, vfscount=%d!\n", name, count);
- }
+ if (lustre_put_lsi(lmi->lmi_sb))
+ CDEBUG(D_MOUNT, "Last put of mnt %p from %s\n",
+ lmi->lmi_mnt, name);
/* this obd should never need the mount again */
server_deregister_mount(name);
RETURN(0);
}
+EXPORT_SYMBOL(server_put_mount);
/* Corresponding to server_get_mount_2 */
int server_put_mount_2(const char *name, struct vfsmount *mnt)
ENTRY;
RETURN(0);
}
-
-/******* mount helper utilities *********/
-
-#if 0
-static void ldd_print(struct lustre_disk_data *ldd)
-{
- PRINT_CMD(PRINT_MASK, " disk data:\n");
- PRINT_CMD(PRINT_MASK, "server: %s\n", ldd->ldd_svname);
- PRINT_CMD(PRINT_MASK, "uuid: %s\n", (char *)ldd->ldd_uuid);
- PRINT_CMD(PRINT_MASK, "fs: %s\n", ldd->ldd_fsname);
- PRINT_CMD(PRINT_MASK, "index: %04x\n", ldd->ldd_svindex);
- PRINT_CMD(PRINT_MASK, "config: %d\n", ldd->ldd_config_ver);
- PRINT_CMD(PRINT_MASK, "flags: %#x\n", ldd->ldd_flags);
- PRINT_CMD(PRINT_MASK, "diskfs: %s\n", MT_STR(ldd));
- PRINT_CMD(PRINT_MASK, "options: %s\n", ldd->ldd_mount_opts);
- PRINT_CMD(PRINT_MASK, "params: %s\n", ldd->ldd_params);
- PRINT_CMD(PRINT_MASK, "comment: %s\n", ldd->ldd_userdata);
-}
-#endif
-
-static int ldd_parse(struct lvfs_run_ctxt *mount_ctxt,
- struct lustre_disk_data *ldd)
-{
- struct lvfs_run_ctxt saved;
- struct file *file;
- loff_t off = 0;
- unsigned long len;
- int rc;
- ENTRY;
-
- push_ctxt(&saved, mount_ctxt, NULL);
-
- file = filp_open(MOUNT_DATA_FILE, O_RDONLY, 0644);
- if (IS_ERR(file)) {
- rc = PTR_ERR(file);
- CERROR("cannot open %s: rc = %d\n", MOUNT_DATA_FILE, rc);
- GOTO(out, rc);
- }
-
- len = i_size_read(file->f_dentry->d_inode);
- CDEBUG(D_MOUNT, "Have %s, size %lu\n", MOUNT_DATA_FILE, len);
- if (len != sizeof(*ldd)) {
- CERROR("disk data size does not match: see %lu expect %u\n",
- len, (int)sizeof(*ldd));
- GOTO(out_close, rc = -EINVAL);
- }
-
- rc = lustre_fread(file, ldd, len, &off);
- if (rc != len) {
- CERROR("error reading %s: read %d of %lu\n",
- MOUNT_DATA_FILE, rc, len);
- GOTO(out_close, rc = -EINVAL);
- }
- rc = 0;
-
- if (ldd->ldd_magic != LDD_MAGIC) {
- /* FIXME add swabbing support */
- CERROR("Bad magic in %s: %x!=%x\n", MOUNT_DATA_FILE,
- ldd->ldd_magic, LDD_MAGIC);
- GOTO(out_close, rc = -EINVAL);
- }
-
- if (ldd->ldd_feature_incompat & ~LDD_INCOMPAT_SUPP) {
- CERROR("%s: unsupported incompat filesystem feature(s) %x\n",
- ldd->ldd_svname,
- ldd->ldd_feature_incompat & ~LDD_INCOMPAT_SUPP);
- GOTO(out_close, rc = -EINVAL);
- }
- if (ldd->ldd_feature_rocompat & ~LDD_ROCOMPAT_SUPP) {
- CERROR("%s: unsupported read-only filesystem feature(s) %x\n",
- ldd->ldd_svname,
- ldd->ldd_feature_rocompat & ~LDD_ROCOMPAT_SUPP);
- /* Do something like remount filesystem read-only */
- GOTO(out_close, rc = -EINVAL);
- }
-
-out_close:
- filp_close(file, 0);
-out:
- pop_ctxt(&saved, mount_ctxt, NULL);
- RETURN(rc);
-}
-
-static int ldd_write(struct lvfs_run_ctxt *mount_ctxt,
- struct lustre_disk_data *ldd)
-{
- struct lvfs_run_ctxt saved;
- struct file *file;
- loff_t off = 0;
- unsigned long len = sizeof(struct lustre_disk_data);
- int rc = 0;
- ENTRY;
-
- LASSERT(ldd->ldd_magic == LDD_MAGIC);
-
- ldd->ldd_config_ver++;
-
- push_ctxt(&saved, mount_ctxt, NULL);
-
- file = filp_open(MOUNT_DATA_FILE, O_RDWR|O_SYNC, 0644);
- if (IS_ERR(file)) {
- rc = PTR_ERR(file);
- CERROR("cannot open %s: rc = %d\n", MOUNT_DATA_FILE, rc);
- GOTO(out, rc);
- }
-
- rc = lustre_fwrite(file, ldd, len, &off);
- if (rc != len) {
- CERROR("error writing %s: read %d of %lu\n",
- MOUNT_DATA_FILE, rc, len);
- GOTO(out_close, rc = -EINVAL);
- }
-
- rc = 0;
-
-out_close:
- filp_close(file, 0);
-out:
- pop_ctxt(&saved, mount_ctxt, NULL);
- RETURN(rc);
-}
-
+EXPORT_SYMBOL(server_put_mount_2);
/**************** config llog ********************/
/* class_obd_list(); */
RETURN(rc);
}
+EXPORT_SYMBOL(lustre_process_log);
/* Stop watching this config log for updates */
int lustre_end_log(struct super_block *sb, char *logname,
lustre_cfg_free(lcfg);
RETURN(rc);
}
+EXPORT_SYMBOL(lustre_end_log);
/**************** obd start *******************/
lustre_cfg_free(lcfg);
return(rc);
}
+EXPORT_SYMBOL(do_lcfg);
/** Call class_attach and class_setup. These methods in turn call
* obd type-specific methods.
*/
static int lustre_start_simple(char *obdname, char *type, char *uuid,
- char *s1, char *s2)
+ char *s1, char *s2, char *s3, char *s4)
{
- int rc;
- CDEBUG(D_MOUNT, "Starting obd %s (typ=%s)\n", obdname, type);
-
- rc = do_lcfg(obdname, 0, LCFG_ATTACH, type, uuid, 0, 0);
- if (rc) {
- CERROR("%s attach error %d\n", obdname, rc);
- return(rc);
- }
- rc = do_lcfg(obdname, 0, LCFG_SETUP, s1, s2, 0, 0);
- if (rc) {
- CERROR("%s setup error %d\n", obdname, rc);
- do_lcfg(obdname, 0, LCFG_DETACH, 0, 0, 0, 0);
- }
- return rc;
+ int rc;
+ CDEBUG(D_MOUNT, "Starting obd %s (typ=%s)\n", obdname, type);
+
+ rc = do_lcfg(obdname, 0, LCFG_ATTACH, type, uuid, 0, 0);
+ if (rc) {
+ CERROR("%s attach error %d\n", obdname, rc);
+ return(rc);
+ }
+ rc = do_lcfg(obdname, 0, LCFG_SETUP, s1, s2, s3, s4);
+ if (rc) {
+ CERROR("%s setup error %d\n", obdname, rc);
+ do_lcfg(obdname, 0, LCFG_DETACH, 0, 0, 0, 0);
+ }
+ return rc;
}
/* Set up a MGS to serve startup logs */
struct lustre_mount_info *lmi;
int rc = 0;
ENTRY;
- LASSERT(mnt);
/* It is impossible to have more than 1 MGS per node, since
MGC wouldn't know which to connect to */
if (lmi) {
lsi = s2lsi(lmi->lmi_sb);
LCONSOLE_ERROR_MSG(0x15d, "The MGS service was already started"
- " from server %s\n",
- lsi->lsi_ldd->ldd_svname);
+ " from server\n");
RETURN(-EALREADY);
}
if (!rc) {
rc = lustre_start_simple(LUSTRE_MGS_OBDNAME, LUSTRE_MGS_NAME,
- LUSTRE_MGS_OBDNAME, 0, 0);
+ LUSTRE_MGS_OBDNAME, 0, 0,
+ lsi->lsi_osd_obdname, 0);
/* Do NOT call server_deregister_mount() here. This leads to
* inability cleanup cleanly and free lsi and other stuff when
* mgs calls server_put_mount() in error handling case. -umka */
RETURN(rc);
}
-CFS_DECLARE_MUTEX(mgc_start_lock);
+CFS_DEFINE_MUTEX(mgc_start_lock);
/** Set up a mgc obd to process startup logs
*
LASSERT(lsi->lsi_lmd);
/* Find the first non-lo MGS nid for our MGC name */
- if (lsi->lsi_flags & LSI_SERVER) {
- ptr = lsi->lsi_ldd->ldd_params;
- /* Use mgsnode= nids */
- if ((class_find_param(ptr, PARAM_MGSNODE, &ptr) == 0) &&
- (class_parse_nid(ptr, &nid, &ptr) == 0)) {
- i++;
- } else if (IS_MGS(lsi->lsi_ldd)) {
+ if (IS_SERVER(lsi)) {
+ /* mount -o mgsnode=nid */
+ ptr = lsi->lsi_lmd->lmd_mgs;
+ if (lsi->lsi_lmd->lmd_mgs &&
+ (class_parse_nid(lsi->lsi_lmd->lmd_mgs, &nid, &ptr) == 0)) {
+ i++;
+ } else if (IS_MGS(lsi)) {
lnet_process_id_t id;
while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
if (LNET_NETTYP(LNET_NIDNET(id.nid)) == LOLND)
RETURN(-EINVAL);
}
- cfs_mutex_down(&mgc_start_lock);
+ cfs_mutex_lock(&mgc_start_lock);
len = strlen(LUSTRE_MGC_OBDNAME) + strlen(libcfs_nid2str(nid)) + 1;
OBD_ALLOC(mgcname, len);
obd = class_name2obd(mgcname);
if (obd && !obd->obd_stopping) {
- rc = obd_set_info_async(obd->obd_self_export,
+ rc = obd_set_info_async(NULL, obd->obd_self_export,
strlen(KEY_MGSSEC), KEY_MGSSEC,
strlen(mgssec), mgssec, NULL);
if (rc)
int vallen = sizeof(*data);
__u32 *flags = &lsi->lsi_lmd->lmd_flags;
- rc = obd_get_info(obd->obd_self_export,
+ rc = obd_get_info(NULL, obd->obd_self_export,
strlen(KEY_CONN_DATA), KEY_CONN_DATA,
&vallen, data, NULL);
LASSERT(rc == 0);
recov_bk = 0;
/* If we are restarting the MGS, don't try to keep the MGC's
old connection, or registration will fail. */
- if ((lsi->lsi_flags & LSI_SERVER) && IS_MGS(lsi->lsi_ldd)) {
+ if (IS_MGS(lsi)) {
CDEBUG(D_MOUNT, "New MGS with live MGC\n");
recov_bk = 1;
}
if at all possible. */
recov_bk++;
CDEBUG(D_MOUNT, "%s: Set MGC reconnect %d\n", mgcname,recov_bk);
- rc = obd_set_info_async(obd->obd_self_export,
+ rc = obd_set_info_async(NULL, obd->obd_self_export,
sizeof(KEY_INIT_RECOV_BACKUP),
KEY_INIT_RECOV_BACKUP,
sizeof(recov_bk), &recov_bk, NULL);
/* Add the primary nids for the MGS */
i = 0;
sprintf(niduuid, "%s_%x", mgcname, i);
- if (lsi->lsi_flags & LSI_SERVER) {
- ptr = lsi->lsi_ldd->ldd_params;
- if (IS_MGS(lsi->lsi_ldd)) {
+ if (IS_SERVER(lsi)) {
+ ptr = lsi->lsi_lmd->lmd_mgs;
+ if (IS_MGS(lsi)) {
/* Use local nids (including LO) */
lnet_process_id_t id;
while ((rc = LNetGetId(i++, &id)) != -ENOENT) {
}
} else {
/* Use mgsnode= nids */
- if (class_find_param(ptr, PARAM_MGSNODE, &ptr) != 0) {
+ /* 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);
}
/* Start the MGC */
rc = lustre_start_simple(mgcname, LUSTRE_MGC_NAME,
(char *)uuid->uuid, LUSTRE_MGS_OBDNAME,
- niduuid);
+ niduuid, 0, 0);
OBD_FREE_PTR(uuid);
if (rc)
GOTO(out_free, rc);
/* Add any failover MGS nids */
i = 1;
- while ((*ptr == ':' ||
- class_find_param(ptr, PARAM_MGSNODE, &ptr) == 0)) {
+ while (ptr && ((*ptr == ':' ||
+ class_find_param(ptr, PARAM_MGSNODE, &ptr) == 0))) {
/* New failover node */
sprintf(niduuid, "%s_%x", mgcname, i);
j = 0;
- while (class_parse_nid(ptr, &nid, &ptr) == 0) {
+ while (class_parse_nid_quiet(ptr, &nid, &ptr) == 0) {
j++;
rc = do_lcfg(mgcname, nid,
LCFG_ADD_UUID, niduuid, 0,0,0);
GOTO(out_free, rc = -ENOTCONN);
}
- rc = obd_set_info_async(obd->obd_self_export,
+ rc = obd_set_info_async(NULL, obd->obd_self_export,
strlen(KEY_MGSSEC), KEY_MGSSEC,
strlen(mgssec), mgssec, NULL);
if (rc)
/* Try all connections, but only once. */
recov_bk = 1;
- rc = obd_set_info_async(obd->obd_self_export,
+ rc = obd_set_info_async(NULL, obd->obd_self_export,
sizeof(KEY_INIT_RECOV_BACKUP),
KEY_INIT_RECOV_BACKUP,
sizeof(recov_bk), &recov_bk, NULL);
if (rc)
/* nonfatal */
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 */
- data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_FID |
- OBD_CONNECT_AT | OBD_CONNECT_FULL20 |
- OBD_CONNECT_IMP_RECOV;
+
+ /* We connect to the MGS at setup, and don't disconnect until cleanup */
+ data->ocd_connect_flags = OBD_CONNECT_VERSION | OBD_CONNECT_AT |
+ OBD_CONNECT_FULL20 | OBD_CONNECT_IMP_RECOV;
+
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 2, 50, 0)
+ data->ocd_connect_flags |= OBD_CONNECT_MNE_SWAB;
+#else
+#warning "LU-1644: Remove old OBD_CONNECT_MNE_SWAB fixup and imp_need_mne_swab"
+#endif
+
if (lmd_is_client(lsi->lsi_lmd) &&
lsi->lsi_lmd->lmd_flags & LMD_FLG_NOIR)
data->ocd_connect_flags &= ~OBD_CONNECT_IMP_RECOV;
to the same mgc.*/
lsi->lsi_mgc = obd;
out_free:
- cfs_mutex_up(&mgc_start_lock);
+ cfs_mutex_unlock(&mgc_start_lock);
if (data)
OBD_FREE_PTR(data);
RETURN(-ENOENT);
lsi->lsi_mgc = NULL;
- cfs_mutex_down(&mgc_start_lock);
+ cfs_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)) {
/* This is not fatal, every client that stops
OBD_FREE(niduuid, len);
/* class_import_put will get rid of the additional connections */
- cfs_mutex_up(&mgc_start_lock);
+ cfs_mutex_unlock(&mgc_start_lock);
RETURN(rc);
}
CDEBUG(D_MOUNT, "Set mgc disk for %s\n", lsi->lsi_lmd->lmd_dev);
/* cl_mgc_sem in mgc insures we sleep if the mgc_fs is busy */
- rc = obd_set_info_async(mgc->obd_self_export,
+ rc = obd_set_info_async(NULL, mgc->obd_self_export,
sizeof(KEY_SET_FS), KEY_SET_FS,
sizeof(*sb), sb, NULL);
if (rc) {
CDEBUG(D_MOUNT, "Unassign mgc disk\n");
- rc = obd_set_info_async(mgc->obd_self_export,
+ rc = obd_set_info_async(NULL, mgc->obd_self_export,
sizeof(KEY_CLEAR_FS), KEY_CLEAR_FS,
0, NULL, NULL);
RETURN(rc);
}
-CFS_DECLARE_MUTEX(server_start_lock);
+CFS_DEFINE_MUTEX(server_start_lock);
/* Stop MDS/OSS if nobody is using them */
-static int server_stop_servers(int lddflags, int lsiflags)
+static int server_stop_servers(int lsiflags)
{
struct obd_device *obd = NULL;
struct obd_type *type = NULL;
int rc = 0;
ENTRY;
- cfs_mutex_down(&server_start_lock);
+ cfs_mutex_lock(&server_start_lock);
/* Either an MDT or an OST or neither */
/* if this was an MDT, and there are no more MDT's, clean up the MDS */
- if ((lddflags & LDD_F_SV_TYPE_MDT) &&
+ if ((lsiflags & LDD_F_SV_TYPE_MDT) &&
(obd = class_name2obd(LUSTRE_MDS_OBDNAME))) {
/*FIXME pre-rename, should eventually be LUSTRE_MDT_NAME*/
type = class_search_type(LUSTRE_MDS_NAME);
}
/* if this was an OST, and there are no more OST's, clean up the OSS */
- if ((lddflags & LDD_F_SV_TYPE_OST) &&
+ if ((lsiflags & LDD_F_SV_TYPE_OST) &&
(obd = class_name2obd(LUSTRE_OSS_OBDNAME))) {
type = class_search_type(LUSTRE_OST_NAME);
}
rc = err;
}
- cfs_mutex_up(&server_start_lock);
+ cfs_mutex_unlock(&server_start_lock);
RETURN(rc);
}
return(0);
}
-static int server_sb2mti(struct super_block *sb, struct mgs_target_info *mti)
+/** Get the fsname ("lustre") from the server name ("lustre-OST003F").
+ * @param [in] svname server name including type and index
+ * @param [out] fsname Buffer to copy filesystem name prefix into.
+ * Must have at least 'strlen(fsname) + 1' chars.
+ * @param [out] endptr if endptr isn't NULL it is set to end of fsname
+ * rc < 0 on error
+ */
+static int server_name2fsname(char *svname, char *fsname, char **endptr)
{
- struct lustre_sb_info *lsi = s2lsi(sb);
- struct lustre_disk_data *ldd = lsi->lsi_ldd;
- lnet_process_id_t id;
- int i = 0;
+ char *p;
+
+ p = strstr(svname, "-OST");
+ if (p == NULL)
+ p = strstr(svname, "-MDT");
+ if (p == NULL)
+ return -1;
+
+ if (fsname) {
+ strncpy(fsname, svname, p - svname);
+ fsname[p - svname] = '\0';
+ }
+
+ if (endptr != NULL)
+ *endptr = p;
+
+ return 0;
+}
+
+/**
+ * Get service name (svname) from string
+ * rc < 0 on error
+ * if endptr isn't NULL it is set to end of fsname *
+ */
+int server_name2svname(char *label, char *svname, char **endptr)
+{
+ int rc;
+ char *dash;
+
+ /* We use server_name2fsname() just for parsing */
+ rc = server_name2fsname(label, NULL, &dash);
+ if (rc != 0)
+ return rc;
+
+ if (*dash != '-')
+ return -1;
+
+ strncpy(svname, dash + 1, MTI_NAME_MAXLEN);
+
+ return 0;
+}
+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(char *svname, __u32 *idx, char **endptr)
+{
+ unsigned long index;
+ int rc;
+ char *dash;
+
+ /* We use server_name2fsname() just for parsing */
+ rc = server_name2fsname(svname, NULL, &dash);
+ if (rc != 0)
+ return rc;
+
+ if (*dash != '-')
+ return -EINVAL;
+
+ dash++;
+
+ if (strncmp(dash, "MDT", 3) == 0)
+ rc = LDD_F_SV_TYPE_MDT;
+ else if (strncmp(dash, "OST", 3) == 0)
+ rc = LDD_F_SV_TYPE_OST;
+ else
+ return -EINVAL;
+
+ dash += 3;
+
+ if (strcmp(dash, "all") == 0)
+ return rc | LDD_F_SV_ALL;
+
+ index = simple_strtoul(dash, endptr, 16);
+ *idx = index;
+
+ return rc;
+}
+EXPORT_SYMBOL(server_name2index);
+
+/* Generate data for registration */
+static int server_lsi2mti(struct lustre_sb_info *lsi,
+ struct mgs_target_info *mti)
+{
+ lnet_process_id_t id;
+ int rc, i = 0;
ENTRY;
- if (!(lsi->lsi_flags & LSI_SERVER))
+ if (!IS_SERVER(lsi))
RETURN(-EINVAL);
- strncpy(mti->mti_fsname, ldd->ldd_fsname,
- sizeof(mti->mti_fsname));
- strncpy(mti->mti_svname, ldd->ldd_svname,
- sizeof(mti->mti_svname));
+ strncpy(mti->mti_svname, lsi->lsi_svname, sizeof(mti->mti_svname));
mti->mti_nid_count = 0;
while (LNetGetId(i++, &id) != -ENOENT) {
/* server use --servicenode param, only allow specified
* nids be registered */
- if ((ldd->ldd_flags & LDD_F_NO_PRIMNODE) != 0 &&
- class_match_nid(ldd->ldd_params,
+ if ((lsi->lsi_lmd->lmd_flags & LMD_FLG_NO_PRIMNODE) != 0 &&
+ class_match_nid(lsi->lsi_lmd->lmd_params,
PARAM_FAILNODE, id.nid) < 1)
continue;
/* match specified network */
- if (!class_match_net(ldd->ldd_params,
+ if (!class_match_net(lsi->lsi_lmd->lmd_params,
PARAM_NETWORK, LNET_NIDNET(id.nid)))
continue;
mti->mti_lustre_ver = LUSTRE_VERSION_CODE;
mti->mti_config_ver = 0;
- if (lsi->lsi_lmd->lmd_flags & LMD_FLG_WRITECONF)
- ldd->ldd_flags |= LDD_F_WRITECONF;
- mti->mti_flags = ldd->ldd_flags;
- mti->mti_stripe_index = ldd->ldd_svindex;
- memcpy(mti->mti_uuid, ldd->ldd_uuid, sizeof(mti->mti_uuid));
- if (strlen(ldd->ldd_params) > sizeof(mti->mti_params)) {
- CERROR("params too big for mti\n");
- RETURN(-ENOMEM);
- }
- memcpy(mti->mti_params, ldd->ldd_params, sizeof(mti->mti_params));
- RETURN(0);
+
+ rc = server_name2fsname(lsi->lsi_svname, mti->mti_fsname, NULL);
+ if (rc != 0)
+ return rc;
+
+ rc = server_name2index(lsi->lsi_svname, &mti->mti_stripe_index, NULL);
+ if (rc < 0)
+ return rc;
+ /* Orion requires index to be set */
+ LASSERT(!(rc & LDD_F_NEED_INDEX));
+ /* keep only LDD flags */
+ mti->mti_flags = lsi->lsi_flags & LDD_F_MASK;
+ mti->mti_flags |= LDD_F_UPDATE;
+ strncpy(mti->mti_params, lsi->lsi_lmd->lmd_params,
+ sizeof(mti->mti_params));
+ return 0;
}
/* Register an old or new target with the MGS. If needed MGS will construct
startup logs and assign index */
-int server_register_target(struct super_block *sb)
+static int server_register_target(struct lustre_sb_info *lsi)
{
- struct lustre_sb_info *lsi = s2lsi(sb);
struct obd_device *mgc = lsi->lsi_mgc;
- struct lustre_disk_data *ldd = lsi->lsi_ldd;
struct mgs_target_info *mti = NULL;
bool writeconf;
int rc;
LASSERT(mgc);
- if (!(lsi->lsi_flags & LSI_SERVER))
+ if (!IS_SERVER(lsi))
RETURN(-EINVAL);
OBD_ALLOC_PTR(mti);
if (!mti)
RETURN(-ENOMEM);
- rc = server_sb2mti(sb, mti);
+
+ rc = server_lsi2mti(lsi, mti);
if (rc)
GOTO(out, rc);
mti->mti_flags);
/* if write_conf is true, the registration must succeed */
- writeconf = !!(ldd->ldd_flags & (LDD_F_NEED_INDEX | LDD_F_UPDATE));
+ writeconf = !!(lsi->lsi_flags & (LDD_F_NEED_INDEX | LDD_F_UPDATE));
mti->mti_flags |= LDD_F_OPC_REG;
/* Register the target */
/* FIXME use mgc_process_config instead */
- rc = obd_set_info_async(mgc->u.cli.cl_mgc_mgsexp,
+ rc = obd_set_info_async(NULL, mgc->u.cli.cl_mgc_mgsexp,
sizeof(KEY_REGISTER_TARGET), KEY_REGISTER_TARGET,
sizeof(*mti), mti, NULL);
if (rc) {
LCONSOLE_ERROR_MSG(0x160,
"The MGS is refusing to allow this "
"server (%s) to start. Please see messages"
- " on the MGS node.\n", ldd->ldd_svname);
+ " on the MGS node.\n", lsi->lsi_svname);
} else if (writeconf) {
LCONSOLE_ERROR_MSG(0x15f,
"Communication to the MGS return error %d. "
GOTO(out, rc);
}
- /* Always update our flags */
- ldd->ldd_flags = mti->mti_flags & LDD_F_ONDISK_MASK;
-
- /* If this flag is set, it means the MGS wants us to change our
- on-disk data. (So far this means just the index.) */
- if (mti->mti_flags & LDD_F_REWRITE_LDD) {
- char *label;
- int err;
- CDEBUG(D_MOUNT, "Changing on-disk index from %#x to %#x "
- "for %s\n", ldd->ldd_svindex, mti->mti_stripe_index,
- mti->mti_svname);
- ldd->ldd_svindex = mti->mti_stripe_index;
- strncpy(ldd->ldd_svname, mti->mti_svname,
- sizeof(ldd->ldd_svname));
- /* or ldd_make_sv_name(ldd); */
- ldd_write(&mgc->obd_lvfs_ctxt, ldd);
- err = fsfilt_set_label(mgc, lsi->lsi_srv_mnt->mnt_sb,
- mti->mti_svname);
- if (err)
- CERROR("Label set error %d\n", err);
- label = fsfilt_get_label(mgc, lsi->lsi_srv_mnt->mnt_sb);
- if (label)
- CDEBUG(D_MOUNT, "Disk label changed to %s\n", label);
-
- /* Flush the new ldd to disk */
- fsfilt_sync(mgc, lsi->lsi_srv_mnt->mnt_sb);
- }
-
out:
if (mti)
OBD_FREE_PTR(mti);
LASSERT(mgc);
- if (!(lsi->lsi_flags & LSI_SERVER))
+ if (!(IS_SERVER(lsi)))
RETURN(-EINVAL);
OBD_ALLOC_PTR(mti);
if (!mti)
RETURN(-ENOMEM);
- rc = server_sb2mti(sb, mti);
+ rc = server_lsi2mti(lsi, mti);
if (rc)
GOTO(out, rc);
mti->mti_flags |= LDD_F_OPC_READY;
/* FIXME use mgc_process_config instead */
- rc = obd_set_info_async(mgc->u.cli.cl_mgc_mgsexp,
+ rc = obd_set_info_async(NULL, mgc->u.cli.cl_mgc_mgsexp,
sizeof(KEY_REGISTER_TARGET),
KEY_REGISTER_TARGET,
sizeof(*mti), mti, NULL);
/* Imperative recovery: if the mgs informs us to use IR? */
if (!rc && !(mti->mti_flags & LDD_F_ERROR) &&
(mti->mti_flags & LDD_F_IR_CAPABLE))
- lsi->lsi_flags |= LSI_IR_CAPABLE;
+ lsi->lsi_flags |= LDD_F_IR_CAPABLE;
out:
if (mti)
struct obd_device *obd;
struct lustre_sb_info *lsi = s2lsi(sb);
struct config_llog_instance cfg;
+ struct lu_env env;
+ struct lu_device *dev;
int rc;
ENTRY;
- CDEBUG(D_MOUNT, "starting target %s\n", lsi->lsi_ldd->ldd_svname);
+ CDEBUG(D_MOUNT, "starting target %s\n", lsi->lsi_svname);
#if 0
/* If we're an MDT, make sure the global MDS is running */
if (lsi->lsi_ldd->ldd_flags & LDD_F_SV_TYPE_MDT) {
/* make sure the MDS is started */
- cfs_mutex_down(&server_start_lock);
+ cfs_mutex_lock(&server_start_lock);
obd = class_name2obd(LUSTRE_MDS_OBDNAME);
if (!obd) {
rc = lustre_start_simple(LUSTRE_MDS_OBDNAME,
LUSTRE_MDS_OBDNAME"_uuid",
0, 0);
if (rc) {
- cfs_mutex_up(&server_start_lock);
+ cfs_mutex_unlock(&server_start_lock);
CERROR("failed to start MDS: %d\n", rc);
RETURN(rc);
}
}
- cfs_mutex_up(&server_start_lock);
+ cfs_mutex_unlock(&server_start_lock);
}
#endif
/* If we're an OST, make sure the global OSS is running */
- if (IS_OST(lsi->lsi_ldd)) {
+ if (IS_OST(lsi)) {
/* make sure OSS is started */
- cfs_mutex_down(&server_start_lock);
+ cfs_mutex_lock(&server_start_lock);
obd = class_name2obd(LUSTRE_OSS_OBDNAME);
if (!obd) {
rc = lustre_start_simple(LUSTRE_OSS_OBDNAME,
LUSTRE_OSS_NAME,
LUSTRE_OSS_OBDNAME"_uuid",
- 0, 0);
+ 0, 0, 0, 0);
if (rc) {
- cfs_mutex_up(&server_start_lock);
+ cfs_mutex_unlock(&server_start_lock);
CERROR("failed to start OSS: %d\n", rc);
RETURN(rc);
}
}
- cfs_mutex_up(&server_start_lock);
+ cfs_mutex_unlock(&server_start_lock);
}
/* Set the mgc fs to our server disk. This allows the MGC to
* read and write configs locally, in case it can't talk to the MGS. */
- rc = server_mgc_set_fs(lsi->lsi_mgc, sb);
- if (rc)
- RETURN(rc);
+ if (lsi->lsi_srv_mnt) {
+ rc = server_mgc_set_fs(lsi->lsi_mgc, sb);
+ if (rc)
+ RETURN(rc);
+ }
/* Register with MGS */
- rc = server_register_target(sb);
+ rc = server_register_target(lsi);
if (rc)
GOTO(out_mgc, 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.) */
- rc = server_register_mount(lsi->lsi_ldd->ldd_svname, sb, mnt);
+ rc = server_register_mount(lsi->lsi_svname, sb, mnt);
if (rc)
GOTO(out_mgc, rc);
- /* Start targets using the llog named for the target */
- memset(&cfg, 0, sizeof(cfg));
- rc = lustre_process_log(sb, lsi->lsi_ldd->ldd_svname, &cfg);
- if (rc) {
- CERROR("failed to start server %s: %d\n",
- lsi->lsi_ldd->ldd_svname, rc);
- /* Do NOT call server_deregister_mount() here. This makes it
- * impossible to find mount later in cleanup time and leaves
- * @lsi and othder stuff leaked. -umka */
- GOTO(out_mgc, rc);
- }
+ /* Start targets using the llog named for the target */
+ memset(&cfg, 0, sizeof(cfg));
+ rc = lustre_process_log(sb, lsi->lsi_svname, &cfg);
+ if (rc) {
+ CERROR("failed to start server %s: %d\n",
+ lsi->lsi_svname, rc);
+ /* Do NOT call server_deregister_mount() here. This makes it
+ * impossible to find mount later in cleanup time and leaves
+ * @lsi and othder stuff leaked. -umka */
+ GOTO(out_mgc, rc);
+ }
out_mgc:
/* Release the mgc fs for others to use */
- server_mgc_clear_fs(lsi->lsi_mgc);
+ if (lsi->lsi_srv_mnt)
+ server_mgc_clear_fs(lsi->lsi_mgc);
if (!rc) {
- obd = class_name2obd(lsi->lsi_ldd->ldd_svname);
+ obd = class_name2obd(lsi->lsi_svname);
if (!obd) {
CERROR("no server named %s was started\n",
- lsi->lsi_ldd->ldd_svname);
+ lsi->lsi_svname);
RETURN(-ENXIO);
}
- if ((lsi->lsi_lmd->lmd_flags & LMD_FLG_ABORT_RECOV) &&
- (OBP(obd, iocontrol))) {
- obd_iocontrol(OBD_IOC_ABORT_RECOVERY,
- obd->obd_self_export, 0, NULL, NULL);
- }
-
server_notify_target(sb, obd);
/* calculate recovery timeout, do it after lustre_process_log */
/* log has been fully processed */
obd_notify(obd, NULL, OBD_NOTIFY_CONFIG, (void *)CONFIG_LOG);
+
+ /* log has been fully processed, let clients connect */
+ dev = obd->obd_lu_dev;
+ if (dev && dev->ld_ops->ldo_prepare) {
+ rc = lu_env_init(&env, dev->ld_type->ldt_ctx_tags);
+ if (rc == 0) {
+ struct lu_context session_ctx;
+
+ lu_context_init(&session_ctx, LCT_SESSION);
+ session_ctx.lc_thread = NULL;
+ lu_context_enter(&session_ctx);
+ env.le_ses = &session_ctx;
+
+ dev->ld_ops->ldo_prepare(&env, NULL, dev);
+
+ lu_env_fini(&env);
+ lu_context_exit(&session_ctx);
+ lu_context_fini(&session_ctx);
+ }
+ }
+
+ /* abort recovery only on the complete stack:
+ * many devices can be involved */
+ if ((lsi->lsi_lmd->lmd_flags & LMD_FLG_ABORT_RECOV) &&
+ (OBP(obd, iocontrol))) {
+ obd_iocontrol(OBD_IOC_ABORT_RECOVERY,
+ obd->obd_self_export, 0, NULL, NULL);
+ }
}
RETURN(rc);
/* someone didn't call server_put_mount. */
LASSERT(cfs_atomic_read(&lsi->lsi_mounts) == 0);
- if (lsi->lsi_ldd != NULL)
- OBD_FREE(lsi->lsi_ldd, sizeof(*lsi->lsi_ldd));
-
if (lsi->lsi_lmd != NULL) {
if (lsi->lsi_lmd->lmd_dev != NULL)
OBD_FREE(lsi->lsi_lmd->lmd_dev,
OBD_FREE(lsi->lsi_lmd->lmd_exclude,
sizeof(lsi->lsi_lmd->lmd_exclude[0]) *
lsi->lsi_lmd->lmd_exclude_count);
+ if (lsi->lsi_lmd->lmd_mgs != NULL)
+ OBD_FREE(lsi->lsi_lmd->lmd_mgs,
+ strlen(lsi->lsi_lmd->lmd_mgs) + 1);
+ if (lsi->lsi_lmd->lmd_osd_type != NULL)
+ OBD_FREE(lsi->lsi_lmd->lmd_osd_type,
+ strlen(lsi->lsi_lmd->lmd_osd_type) + 1);
+ if (lsi->lsi_lmd->lmd_params != NULL)
+ OBD_FREE(lsi->lsi_lmd->lmd_params, 4096);
+
OBD_FREE(lsi->lsi_lmd, sizeof(*lsi->lsi_lmd));
}
CDEBUG(D_MOUNT, "put %p %d\n", sb, cfs_atomic_read(&lsi->lsi_mounts));
if (cfs_atomic_dec_and_test(&lsi->lsi_mounts)) {
+ if (IS_SERVER(lsi) && lsi->lsi_osd_exp) {
+ obd_disconnect(lsi->lsi_osd_exp);
+ /* wait till OSD is gone */
+ obd_zombie_barrier();
+ }
lustre_free_lsi(sb);
RETURN(1);
}
RETURN(0);
}
-/*************** server mount ******************/
-
-/** Kernel mount using mount options in MOUNT_DATA_FILE.
- * Since this file lives on the disk, we pre-mount using a common
- * type, read the file, then re-mount using the type specified in the
- * file.
- */
-static struct vfsmount *server_kernel_mount(struct super_block *sb)
+static int lsi_prepare(struct lustre_sb_info *lsi)
{
- struct lvfs_run_ctxt mount_ctxt;
- struct lustre_sb_info *lsi = s2lsi(sb);
- struct lustre_disk_data *ldd;
- struct lustre_mount_data *lmd = lsi->lsi_lmd;
- struct vfsmount *mnt;
- char *options = NULL;
- unsigned long page, s_flags;
- struct page *__page;
- int len;
- int rc;
- ENTRY;
-
- OBD_ALLOC(ldd, sizeof(*ldd));
- if (!ldd)
- RETURN(ERR_PTR(-ENOMEM));
-
- /* In the past, we have always used flags = 0.
- Note ext3/ldiskfs can't be mounted ro. */
- s_flags = sb->s_flags;
-
- /* allocate memory for options */
- 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);
-
- /* mount-line options must be added for pre-mount because it may
- * contain mount options such as journal_dev which are required
- * to mount successfuly the underlying filesystem */
- if (lmd->lmd_opts && (*(lmd->lmd_opts) != 0))
- strncat(options, lmd->lmd_opts, CFS_PAGE_SIZE - 1);
-
- /* Pre-mount ldiskfs to read the MOUNT_DATA_FILE */
- CDEBUG(D_MOUNT, "Pre-mount ldiskfs %s\n", lmd->lmd_dev);
- mnt = ll_kern_mount("ldiskfs", s_flags, lmd->lmd_dev, (void *)options);
- if (IS_ERR(mnt)) {
- rc = PTR_ERR(mnt);
- CERROR("premount %s:%#lx ldiskfs failed: %d "
- "Is the ldiskfs module available?\n",
- lmd->lmd_dev, s_flags, rc );
- GOTO(out_free, rc);
- }
-
- OBD_SET_CTXT_MAGIC(&mount_ctxt);
- mount_ctxt.pwdmnt = mnt;
- mount_ctxt.pwd = mnt->mnt_root;
- mount_ctxt.fs = get_ds();
-
- rc = ldd_parse(&mount_ctxt, ldd);
- unlock_mntput(mnt);
-
- if (rc) {
- CERROR("premount parse options failed: rc = %d\n", rc);
- GOTO(out_free, rc);
- }
-
- /* Done with our pre-mount, now do the real mount. */
-
- /* Glom up mount options */
- memset(options, 0, CFS_PAGE_SIZE);
- strncpy(options, ldd->ldd_mount_opts, CFS_PAGE_SIZE - 2);
-
- len = CFS_PAGE_SIZE - strlen(options) - 2;
- if (*options != 0)
- strcat(options, ",");
- strncat(options, "no_mbcache", len);
-
- /* Add in any mount-line options */
- if (lmd->lmd_opts && (*(lmd->lmd_opts) != 0)) {
- len = CFS_PAGE_SIZE - strlen(options) - 2;
- strcat(options, ",");
- strncat(options, lmd->lmd_opts, len);
- }
-
- /* Special permanent mount flags */
- if (IS_OST(ldd))
- s_flags |= MS_NOATIME | MS_NODIRATIME;
-
- CDEBUG(D_MOUNT, "kern_mount: %s %s %s\n",
- MT_STR(ldd), lmd->lmd_dev, options);
- mnt = ll_kern_mount(MT_STR(ldd), s_flags, lmd->lmd_dev,
- (void *)options);
- if (IS_ERR(mnt)) {
- rc = PTR_ERR(mnt);
- CERROR("ll_kern_mount failed: rc = %d\n", rc);
- GOTO(out_free, rc);
- }
-
- if (lmd->lmd_flags & LMD_FLG_ABORT_RECOV)
- simple_truncate(mnt->mnt_sb->s_root, mnt, LAST_RCVD,
- LR_CLIENT_START);
-
- OBD_PAGE_FREE(__page);
- lsi->lsi_ldd = ldd; /* freed at lsi cleanup */
- CDEBUG(D_SUPER, "%s: mnt = %p\n", lmd->lmd_dev, mnt);
- RETURN(mnt);
-
-out_free:
- if (__page)
- OBD_PAGE_FREE(__page);
- OBD_FREE(ldd, sizeof(*ldd));
- lsi->lsi_ldd = NULL;
- RETURN(ERR_PTR(rc));
+ __u32 index;
+ int rc;
+ ENTRY;
+
+ LASSERT(lsi);
+ LASSERT(lsi->lsi_lmd);
+
+ /* The server name is given as a mount line option */
+ if (lsi->lsi_lmd->lmd_profile == NULL) {
+ LCONSOLE_ERROR("Can't determine server name\n");
+ RETURN(-EINVAL);
+ }
+
+ if (strlen(lsi->lsi_lmd->lmd_profile) >= sizeof(lsi->lsi_svname))
+ RETURN(-ENAMETOOLONG);
+
+ strcpy(lsi->lsi_svname, lsi->lsi_lmd->lmd_profile);
+
+ /* Determine osd type */
+ if (lsi->lsi_lmd->lmd_osd_type != NULL) {
+ if (strlen(lsi->lsi_lmd->lmd_osd_type) >=
+ sizeof(lsi->lsi_osd_type))
+ RETURN(-ENAMETOOLONG);
+
+ strcpy(lsi->lsi_osd_type, lsi->lsi_lmd->lmd_osd_type);
+ } else {
+ strcpy(lsi->lsi_osd_type, LUSTRE_OSD_LDISKFS_NAME);
+ }
+
+ /* XXX: a temp. solution for components using fsfilt
+ * to be removed in one of the subsequent patches */
+ if (!strcmp(lsi->lsi_lmd->lmd_osd_type, "osd-ldiskfs")) {
+ strcpy(lsi->lsi_fstype, "ldiskfs");
+ } else {
+ strcpy(lsi->lsi_fstype, lsi->lsi_lmd->lmd_osd_type);
+ }
+
+ /* Determine server type */
+ rc = server_name2index(lsi->lsi_svname, &index, NULL);
+ if (rc < 0) {
+ if (lsi->lsi_lmd->lmd_flags & LMD_FLG_MGS) {
+ /* Assume we're a bare MGS */
+ rc = 0;
+ lsi->lsi_lmd->lmd_flags |= LMD_FLG_NOSVC;
+ } else {
+ LCONSOLE_ERROR("Can't determine server type of '%s'\n",
+ lsi->lsi_svname);
+ RETURN(rc);
+ }
+ }
+ lsi->lsi_flags |= rc;
+
+ /* Add mount line flags that used to be in ldd:
+ * writeconf, mgs, iam, anything else?
+ */
+ lsi->lsi_flags |= (lsi->lsi_lmd->lmd_flags & LMD_FLG_WRITECONF) ?
+ LDD_F_WRITECONF : 0;
+ lsi->lsi_flags |= (lsi->lsi_lmd->lmd_flags & LMD_FLG_VIRGIN) ?
+ LDD_F_VIRGIN : 0;
+ lsi->lsi_flags |= (lsi->lsi_lmd->lmd_flags & LMD_FLG_MGS) ?
+ LDD_F_SV_TYPE_MGS : 0;
+ lsi->lsi_flags |= (lsi->lsi_lmd->lmd_flags & LMD_FLG_IAM) ?
+ LDD_F_IAM_DIR : 0;
+ lsi->lsi_flags |= (lsi->lsi_lmd->lmd_flags & LMD_FLG_NO_PRIMNODE) ?
+ LDD_F_NO_PRIMNODE : 0;
+
+ RETURN(0);
}
-/** Wait here forever until the mount refcount is 0 before completing umount,
- * else we risk dereferencing a null pointer.
- * LNET may take e.g. 165s before killing zombies.
- */
-static void server_wait_finished(struct vfsmount *mnt)
-{
- cfs_waitq_t waitq;
- int rc, waited = 0;
- cfs_sigset_t blocked;
-
- cfs_waitq_init(&waitq);
-
- while (mnt_get_count(mnt) > 1) {
- if (waited && (waited % 30 == 0))
- LCONSOLE_WARN("Mount still busy with %d refs after "
- "%d secs.\n",
- mnt_get_count(mnt),
- waited);
- /* Cannot use l_event_wait() for an interruptible sleep. */
- waited += 3;
- blocked = cfs_block_sigsinv(sigmask(SIGKILL));
- cfs_waitq_wait_event_interruptible_timeout(
- waitq,
- (mnt_get_count(mnt) == 1),
- cfs_time_seconds(3),
- rc);
- cfs_block_sigs(blocked);
- if (rc < 0) {
- LCONSOLE_EMERG("Danger: interrupted umount %s with "
- "%d refs!\n", mnt->mnt_devname,
- mnt_get_count(mnt));
- break;
- }
-
- }
-}
+/*************** server mount ******************/
/** Start the shutdown of servers at umount.
*/
{
struct lustre_sb_info *lsi = s2lsi(sb);
struct obd_device *obd;
- struct vfsmount *mnt = lsi->lsi_srv_mnt;
char *tmpname, *extraname = NULL;
int tmpname_sz;
- int lddflags = lsi->lsi_ldd->ldd_flags;
int lsiflags = lsi->lsi_flags;
ENTRY;
- LASSERT(lsiflags & LSI_SERVER);
+ LASSERT(IS_SERVER(lsi));
- tmpname_sz = strlen(lsi->lsi_ldd->ldd_svname) + 1;
+ tmpname_sz = strlen(lsi->lsi_svname) + 1;
OBD_ALLOC(tmpname, tmpname_sz);
- memcpy(tmpname, lsi->lsi_ldd->ldd_svname, tmpname_sz);
+ memcpy(tmpname, lsi->lsi_svname, tmpname_sz);
CDEBUG(D_MOUNT, "server put_super %s\n", tmpname);
- if (IS_MDT(lsi->lsi_ldd) && (lsi->lsi_lmd->lmd_flags & LMD_FLG_NOSVC))
+ if (IS_MDT(lsi) && (lsi->lsi_lmd->lmd_flags & LMD_FLG_NOSVC))
snprintf(tmpname, tmpname_sz, "MGS");
/* Stop the target */
if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOSVC) &&
- (IS_MDT(lsi->lsi_ldd) || IS_OST(lsi->lsi_ldd))) {
+ (IS_MDT(lsi) || IS_OST(lsi))) {
struct lustre_profile *lprof = NULL;
/* tell the mgc to drop the config log */
- lustre_end_log(sb, lsi->lsi_ldd->ldd_svname, NULL);
+ lustre_end_log(sb, lsi->lsi_svname, NULL);
/* COMPAT_146 - profile may get deleted in mgc_cleanup.
If there are any setup/cleanup errors, save the lov
name for safety cleanup later. */
- lprof = class_get_profile(lsi->lsi_ldd->ldd_svname);
+ lprof = class_get_profile(lsi->lsi_svname);
if (lprof && lprof->lp_dt) {
OBD_ALLOC(extraname, strlen(lprof->lp_dt) + 1);
strcpy(extraname, lprof->lp_dt);
}
- obd = class_name2obd(lsi->lsi_ldd->ldd_svname);
+ obd = class_name2obd(lsi->lsi_svname);
if (obd) {
CDEBUG(D_MOUNT, "stopping %s\n", obd->obd_name);
if (lsi->lsi_flags & LSI_UMOUNT_FAILOVER)
obd->obd_force = 1;
class_manual_cleanup(obd);
} else {
- CERROR("no obd %s\n", lsi->lsi_ldd->ldd_svname);
- server_deregister_mount(lsi->lsi_ldd->ldd_svname);
+ CERROR("no obd %s\n", lsi->lsi_svname);
+ server_deregister_mount(lsi->lsi_svname);
}
}
/* If they wanted the mgs to stop separately from the mdt, they
should have put it on a different device. */
- if (IS_MGS(lsi->lsi_ldd)) {
+ if (IS_MGS(lsi)) {
/* if MDS start with --nomgs, don't stop MGS then */
- if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS)) {
- char *logname;
-
- OBD_ALLOC(logname, MGS_PARAM_MAXLEN);
- if (!logname) {
- LCONSOLE_WARN("Stopping mgs failed %d, please "
- "try again.", -ENOMEM);
- return;
- }
- strcpy(logname, lsi->lsi_ldd->ldd_fsname);
- strcat(logname, "-params");
- /* tell the mgc to drop parameter config log */
- lustre_end_log(sb, logname, NULL);
- OBD_FREE(logname, MGS_PARAM_MAXLEN);
-
+ if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS))
server_stop_mgs(sb);
- }
}
/* Clean the mgc and sb */
lustre_common_put_super(sb);
- /* Wait for the targets to really clean up - can't exit (and let the
- sb get destroyed) while the mount is still in use */
- server_wait_finished(mnt);
-
- /* drop the One True Mount */
- unlock_mntput(mnt);
+ /* wait till all in-progress cleanups are done
+ * specifically we're interested in ofd cleanup
+ * as it pins OSS */
+ obd_zombie_barrier();
- /* Stop the servers (MDS, OSS) if no longer needed. We must wait
- until the target is really gone so that our type refcount check
- is right. */
- server_stop_servers(lddflags, lsiflags);
+ /* Stop the servers (MDS, OSS) if no longer needed. We must wait
+ until the target is really gone so that our type refcount check
+ is right. */
+ server_stop_servers(lsiflags);
- /* In case of startup or cleanup err, stop related obds */
- if (extraname) {
- obd = class_name2obd(extraname);
+ /* In case of startup or cleanup err, stop related obds */
+ if (extraname) {
+ obd = class_name2obd(extraname);
if (obd) {
CWARN("Cleaning orphaned obd %s\n", extraname);
obd->obd_force = 1;
umount -f = force
no third way to do non-force, non-failover */
lsi->lsi_flags &= ~LSI_UMOUNT_FAILOVER;
- lsi->lsi_flags |= LSI_UMOUNT_FORCE;
EXIT;
}
-#ifndef HAVE_STATFS_DENTRY_PARAM
-static int server_statfs (struct super_block *sb, cfs_kstatfs_t *buf)
-{
-#else
static int server_statfs (struct dentry *dentry, cfs_kstatfs_t *buf)
{
- struct super_block *sb = dentry->d_sb;
-#endif
- struct vfsmount *mnt = s2lsi(sb)->lsi_srv_mnt;
- ENTRY;
-
- if (mnt && mnt->mnt_sb && mnt->mnt_sb->s_op->statfs) {
-#ifdef HAVE_STATFS_DENTRY_PARAM
- int rc = mnt->mnt_sb->s_op->statfs(mnt->mnt_root, buf);
-#else
- int rc = mnt->mnt_sb->s_op->statfs(mnt->mnt_sb, buf);
-#endif
- if (!rc) {
- buf->f_type = sb->s_magic;
- RETURN(0);
- }
- }
-
- /* just return 0 */
- buf->f_type = sb->s_magic;
- buf->f_bsize = sb->s_blocksize;
- buf->f_blocks = 1;
- buf->f_bfree = 0;
- buf->f_bavail = 0;
- buf->f_files = 1;
- buf->f_ffree = 0;
- buf->f_namelen = NAME_MAX;
- RETURN(0);
+ struct super_block *sb = dentry->d_sb;
+ struct lustre_sb_info *lsi = s2lsi(sb);
+ struct obd_statfs statfs;
+ int rc;
+ ENTRY;
+
+ if (lsi->lsi_dt_dev) {
+ rc = dt_statfs(NULL, lsi->lsi_dt_dev, &statfs);
+ if (rc == 0) {
+ statfs_unpack(buf, &statfs);
+ buf->f_type = sb->s_magic;
+ RETURN(0);
+ }
+ }
+
+ /* just return 0 */
+ buf->f_type = sb->s_magic;
+ buf->f_bsize = sb->s_blocksize;
+ buf->f_blocks = 1;
+ buf->f_bfree = 0;
+ buf->f_bavail = 0;
+ buf->f_files = 1;
+ buf->f_ffree = 0;
+ buf->f_namelen = NAME_MAX;
+ RETURN(0);
}
/** The operations we support directly on the superblock:
sb->s_blocksize = 4096;
sb->s_blocksize_bits = log2(sb->s_blocksize);
sb->s_magic = LUSTRE_SUPER_MAGIC;
- sb->s_maxbytes = 0; //PAGE_CACHE_MAXBYTES;
+ sb->s_maxbytes = 0; /* we don't allow file IO on server mountpoints */
sb->s_flags |= MS_RDONLY;
sb->s_op = &server_ops;
RETURN(0);
}
+static int osd_start(struct lustre_sb_info *lsi, unsigned long mflags)
+{
+ struct lustre_mount_data *lmd = lsi->lsi_lmd;
+ struct obd_device *obd;
+ struct dt_device_param p;
+ char flagstr[16];
+ int rc;
+ ENTRY;
+
+ CDEBUG(D_MOUNT,
+ "Attempting to start %s, type=%s, lsifl=%x, mountfl=%lx\n",
+ lsi->lsi_svname, lsi->lsi_osd_type, lsi->lsi_flags, mflags);
+
+ sprintf(lsi->lsi_osd_obdname, "%s-osd", lsi->lsi_svname);
+ strcpy(lsi->lsi_osd_uuid, lsi->lsi_osd_obdname);
+ strcat(lsi->lsi_osd_uuid, "_UUID");
+ sprintf(flagstr, "%lu:%lu", mflags, (unsigned long) lmd->lmd_flags);
+
+ obd = class_name2obd(lsi->lsi_osd_obdname);
+ if (obd == NULL) {
+ rc = lustre_start_simple(lsi->lsi_osd_obdname,
+ lsi->lsi_osd_type,
+ lsi->lsi_osd_uuid, lmd->lmd_dev,
+ flagstr, lsi->lsi_lmd->lmd_opts,
+ lsi->lsi_svname);
+ if (rc)
+ GOTO(out, rc);
+ obd = class_name2obd(lsi->lsi_osd_obdname);
+ LASSERT(obd);
+ }
+
+ rc = obd_connect(NULL, &lsi->lsi_osd_exp, obd, &obd->obd_uuid, NULL, NULL);
+ if (rc) {
+ obd->obd_force = 1;
+ class_manual_cleanup(obd);
+ lsi->lsi_dt_dev = NULL;
+ }
+
+ /* XXX: to keep support old components relying on lsi_srv_mnt
+ * we get this info from OSD just started */
+ LASSERT(obd->obd_lu_dev);
+ lsi->lsi_dt_dev = lu2dt_dev(obd->obd_lu_dev);
+ LASSERT(lsi->lsi_dt_dev);
+
+ dt_conf_get(NULL, lsi->lsi_dt_dev, &p);
+
+ lsi->lsi_srv_mnt = p.ddp_mnt;
+
+out:
+ RETURN(rc);
+}
+
/** Fill in the superblock info for a Lustre server.
* Mount the device with the correct options.
* Read the on-disk config file.
static int server_fill_super(struct super_block *sb)
{
struct lustre_sb_info *lsi = s2lsi(sb);
- struct vfsmount *mnt;
int rc;
ENTRY;
- /* the One True Mount */
- mnt = server_kernel_mount(sb);
- if (IS_ERR(mnt)) {
- rc = PTR_ERR(mnt);
- CERROR("Unable to mount device %s: %d\n",
- lsi->lsi_lmd->lmd_dev, rc);
+ rc = lsi_prepare(lsi);
+ if (rc)
+ RETURN(rc);
+
+ /* Start low level OSD */
+ rc = osd_start(lsi, sb->s_flags);
+ if (rc) {
+ CERROR("Unable to start osd on %s: %d\n",
+ lsi->lsi_lmd->lmd_dev, rc);
lustre_put_lsi(sb);
RETURN(rc);
- }
- lsi->lsi_srv_mnt = mnt;
+ }
- LASSERT(lsi->lsi_ldd);
- CDEBUG(D_MOUNT, "Found service %s for fs '%s' on device %s\n",
- lsi->lsi_ldd->ldd_svname, lsi->lsi_ldd->ldd_fsname,
- lsi->lsi_lmd->lmd_dev);
+ CDEBUG(D_MOUNT, "Found service %s on device %s\n",
+ lsi->lsi_svname, lsi->lsi_lmd->lmd_dev);
- if (class_name2obd(lsi->lsi_ldd->ldd_svname)) {
+ if (class_name2obd(lsi->lsi_svname)) {
LCONSOLE_ERROR_MSG(0x161, "The target named %s is already "
"running. Double-mount may have compromised"
" the disk journal.\n",
- lsi->lsi_ldd->ldd_svname);
+ lsi->lsi_svname);
lustre_put_lsi(sb);
- unlock_mntput(mnt);
RETURN(-EALREADY);
}
/* Start MGS before MGC */
- if (IS_MGS(lsi->lsi_ldd) && !(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS)){
+ if (IS_MGS(lsi) && !(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS)){
rc = server_start_mgs(sb);
if (rc)
GOTO(out_mnt, rc);
/* Set up all obd devices for service */
if (!(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOSVC) &&
- (IS_OST(lsi->lsi_ldd) || IS_MDT(lsi->lsi_ldd))) {
- rc = server_start_targets(sb, mnt);
+ (IS_OST(lsi) || IS_MDT(lsi))) {
+ rc = server_start_targets(sb, lsi->lsi_srv_mnt);
if (rc < 0) {
CERROR("Unable to start targets: %d\n", rc);
GOTO(out_mnt, rc);
Client will not finish until all servers are connected.
Note - MGS-only server does NOT get a client, since there is no
lustre fs associated - the MGS is for all lustre fs's */
- } else if (IS_MGS(lsi->lsi_ldd) &&
- !(lsi->lsi_lmd->lmd_flags & LMD_FLG_NOMGS)){
- struct config_llog_instance cfg;
- char *logname;
-
- OBD_ALLOC(logname, MGS_PARAM_MAXLEN);
- if (logname == NULL)
- GOTO(out_mnt, rc = -ENOMEM);
- strcpy(logname, lsi->lsi_ldd->ldd_fsname);
- strcat(logname, "-params");
-
- memset(&cfg, 0, sizeof(cfg));
- rc = lustre_process_log(sb, logname, &cfg);
- OBD_FREE(logname, MGS_PARAM_MAXLEN);
- if (rc) {
- CERROR("failed to process parameters %s: %d\n",
- logname, rc);
- GOTO(out_mnt, rc);
- }
}
rc = server_fill_super_common(sb);
return rc;
}
-/* 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(char *svname, __u32 *idx, char **endptr)
-{
- unsigned long index;
- int rc;
- char *dash = strrchr(svname, '-');
- if (!dash)
- return(-EINVAL);
-
- /* intepret <fsname>-MDTXXXXX-mdc as mdt, the better way is to pass
- * in the fsname, then determine the server index */
- if (!strcmp(LUSTRE_MDC_NAME, dash + 1)) {
- dash--;
- for (; dash > svname && *dash != '-'; dash--);
- if (dash == svname)
- return(-EINVAL);
- }
-
- if (strncmp(dash + 1, "MDT", 3) == 0)
- rc = LDD_F_SV_TYPE_MDT;
- else if (strncmp(dash + 1, "OST", 3) == 0)
- rc = LDD_F_SV_TYPE_OST;
- else
- return(-EINVAL);
- if (strcmp(dash + 4, "all") == 0)
- return rc | LDD_F_SV_ALL;
-
- index = simple_strtoul(dash + 4, endptr, 16);
- *idx = index;
- return rc;
-}
-
/*
* Calculate timeout value for a target.
*/
int soft = 0;
int hard = 0;
int factor = 0;
- bool has_ir = !!(lsi->lsi_flags & LSI_IR_CAPABLE);
+ bool has_ir = !!(lsi->lsi_flags & LDD_F_IR_CAPABLE);
int min = OBD_RECOVERY_TIME_MIN;
- LASSERT(lsi->lsi_flags & LSI_SERVER);
+ LASSERT(IS_SERVER(lsi));
lmd = lsi->lsi_lmd;
if (lmd) {
lu_types_stop();
RETURN(rc);
}
+EXPORT_SYMBOL(lustre_common_put_super);
static void lmd_print(struct lustre_mount_data *lmd)
{
return 0;
}
+static int lmd_parse_string(char **handle, char *ptr)
+{
+ char *tail;
+ int length;
+
+ if ((handle == NULL) || (ptr == NULL))
+ return -EINVAL;
+
+ if (*handle != NULL) {
+ OBD_FREE(*handle, strlen(*handle) + 1);
+ *handle = NULL;
+ }
+
+ tail = strchr(ptr, ',');
+ if (tail == NULL)
+ length = strlen(ptr);
+ else
+ length = tail - ptr;
+
+ OBD_ALLOC(*handle, length + 1);
+ if (*handle == NULL)
+ return -ENOMEM;
+
+ memcpy(*handle, ptr, length);
+ (*handle)[length] = '\0';
+
+ return 0;
+}
+
+/* Collect multiple values for mgsnid specifiers */
+static int lmd_parse_mgs(struct lustre_mount_data *lmd, char **ptr)
+{
+ lnet_nid_t nid;
+ char *tail = *ptr;
+ char *mgsnid;
+ int length;
+ int oldlen = 0;
+
+ /* Find end of nidlist */
+ while (class_parse_nid_quiet(tail, &nid, &tail) == 0) {}
+ length = tail - *ptr;
+ if (length == 0) {
+ LCONSOLE_ERROR_MSG(0x159, "Can't parse NID '%s'\n", *ptr);
+ return -EINVAL;
+ }
+
+ if (lmd->lmd_mgs != NULL)
+ oldlen = strlen(lmd->lmd_mgs) + 1;
+
+ OBD_ALLOC(mgsnid, oldlen + length + 1);
+ if (mgsnid == NULL)
+ return -ENOMEM;
+
+ if (lmd->lmd_mgs != NULL) {
+ /* Multiple mgsnid= are taken to mean failover locations */
+ memcpy(mgsnid, lmd->lmd_mgs, oldlen);
+ mgsnid[oldlen - 1] = ':';
+ OBD_FREE(lmd->lmd_mgs, oldlen);
+ }
+ memcpy(mgsnid + oldlen, *ptr, length);
+ mgsnid[oldlen + length] = '\0';
+ lmd->lmd_mgs = mgsnid;
+ *ptr = tail;
+
+ return 0;
+}
+
/** Parse mount line options
* e.g. mount -v -t lustre -o abort_recov uml1:uml2:/lustre-client /mnt/lustre
* dev is passed as device=uml1:/lustre by mount.lustre
}
lmd->lmd_magic = LMD_MAGIC;
+ OBD_ALLOC(lmd->lmd_params, 4096);
+ if (lmd->lmd_params == NULL)
+ RETURN(-ENOMEM);
+ lmd->lmd_params[0] = '\0';
+
/* Set default flags here */
s1 = options;
} else if (strncmp(s1, "nomgs", 5) == 0) {
lmd->lmd_flags |= LMD_FLG_NOMGS;
clear++;
+ } else if (strncmp(s1, "noscrub", 7) == 0) {
+ lmd->lmd_flags |= LMD_FLG_NOSCRUB;
+ clear++;
+ } else if (strncmp(s1, PARAM_MGSNODE,
+ sizeof(PARAM_MGSNODE) - 1) == 0) {
+ s2 = s1 + sizeof(PARAM_MGSNODE) - 1;
+ /* Assume the next mount opt is the first
+ invalid nid we get to. */
+ rc = lmd_parse_mgs(lmd, &s2);
+ if (rc)
+ goto invalid;
+ clear++;
} else if (strncmp(s1, "writeconf", 9) == 0) {
lmd->lmd_flags |= LMD_FLG_WRITECONF;
clear++;
+ } else if (strncmp(s1, "virgin", 6) == 0) {
+ lmd->lmd_flags |= LMD_FLG_VIRGIN;
+ clear++;
+ } else if (strncmp(s1, "noprimnode", 10) == 0) {
+ lmd->lmd_flags |= LMD_FLG_NO_PRIMNODE;
+ clear++;
} else if (strncmp(s1, "mgssec=", 7) == 0) {
rc = lmd_parse_mgssec(lmd, s1 + 7);
if (rc)
if (rc)
goto invalid;
clear++;
+ } else if (strncmp(s1, "mgs", 3) == 0) {
+ /* We are an MGS */
+ lmd->lmd_flags |= LMD_FLG_MGS;
+ clear++;
+ } else if (strncmp(s1, "svname=", 7) == 0) {
+ rc = lmd_parse_string(&lmd->lmd_profile, s1 + 7);
+ if (rc)
+ goto invalid;
+ clear++;
+ } else if (strncmp(s1, "param=", 6) == 0) {
+ int length;
+ char *tail = strchr(s1 + 6, ',');
+ if (tail == NULL)
+ length = strlen(s1);
+ else
+ length = tail - s1;
+ length -= 6;
+ strncat(lmd->lmd_params, s1 + 6, length);
+ strcat(lmd->lmd_params, " ");
+ clear++;
+ } else if (strncmp(s1, "osd=", 4) == 0) {
+ rc = lmd_parse_string(&lmd->lmd_osd_type, s1 + 4);
+ if (rc)
+ goto invalid;
+ clear++;
}
/* Linux 2.4 doesn't pass the device, so we stuck it at the
end of the options. */
}
} else {
CDEBUG(D_MOUNT, "Mounting server from %s\n", lmd->lmd_dev);
- lsi->lsi_flags |= LSI_SERVER;
rc = server_fill_super(sb);
/* s_f_s calls lustre_start_mgc after the mount because we need
the MGS nids which are stored on disk. Plus, we may
{
client_fill_super = cfs;
}
+EXPORT_SYMBOL(lustre_register_client_fill_super);
void lustre_register_kill_super_cb(void (*cfs)(struct super_block *sb))
{
kill_super_cb = cfs;
}
+EXPORT_SYMBOL(lustre_register_kill_super_cb);
/***************** FS registration ******************/
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18))
-struct super_block * lustre_get_sb(struct file_system_type *fs_type, int flags,
- const char *devname, void * data)
+#ifdef HAVE_FSTYPE_MOUNT
+struct dentry *lustre_mount(struct file_system_type *fs_type, int flags,
+ const char *devname, void *data)
{
- return get_sb_nodev(fs_type, flags, data, lustre_fill_super);
+ struct lustre_mount_data2 lmd2 = { data, NULL };
+
+ return mount_nodev(fs_type, flags, &lmd2, lustre_fill_super);
}
#else
int lustre_get_sb(struct file_system_type *fs_type, int flags,
const char *devname, void * data, struct vfsmount *mnt)
{
- struct lustre_mount_data2 lmd2 = {data, mnt};
+ struct lustre_mount_data2 lmd2 = { data, mnt };
- return get_sb_nodev(fs_type, flags, &lmd2, lustre_fill_super, mnt);
+ return get_sb_nodev(fs_type, flags, &lmd2, lustre_fill_super, mnt);
}
#endif
{
struct lustre_sb_info *lsi = s2lsi(sb);
- if (kill_super_cb && lsi && !(lsi->lsi_flags & LSI_SERVER))
+ if (kill_super_cb && lsi && !IS_SERVER(lsi))
(*kill_super_cb)(sb);
kill_anon_super(sb);
struct file_system_type lustre_fs_type = {
.owner = THIS_MODULE,
.name = "lustre",
+#ifdef HAVE_FSTYPE_MOUNT
+ .mount = lustre_mount,
+#else
.get_sb = lustre_get_sb,
+#endif
.kill_sb = lustre_kill_super,
.fs_flags = FS_BINARY_MOUNTDATA | FS_REQUIRES_DEV |
#ifdef FS_HAS_FIEMAP
return unregister_filesystem(&lustre_fs_type);
}
-EXPORT_SYMBOL(lustre_register_client_fill_super);
-EXPORT_SYMBOL(lustre_register_kill_super_cb);
-EXPORT_SYMBOL(lustre_common_put_super);
-EXPORT_SYMBOL(lustre_process_log);
-EXPORT_SYMBOL(lustre_end_log);
-EXPORT_SYMBOL(server_get_mount);
-EXPORT_SYMBOL(server_get_mount_2);
-EXPORT_SYMBOL(server_put_mount);
-EXPORT_SYMBOL(server_put_mount_2);
-EXPORT_SYMBOL(server_register_target);
-EXPORT_SYMBOL(server_name2index);
EXPORT_SYMBOL(server_mti_print);
-EXPORT_SYMBOL(do_lcfg);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff