* Author: Nathan Rutman <nathan@clusterfs.com>
*/
-
#define DEBUG_SUBSYSTEM S_CLASS
#define D_MOUNT (D_SUPER|D_CONFIG/*|D_WARNING */)
#define PRINT_CMD CDEBUG
LASSERT(mgc);
LASSERT(cfg);
- OBD_ALLOC_PTR(bufs);
- if (bufs == NULL)
+ bufs = kzalloc(sizeof(*bufs), GFP_NOFS);
+ if (!bufs)
return -ENOMEM;
/* mgc_process_config */
rc = obd_process_config(mgc, sizeof(*lcfg), lcfg);
lustre_cfg_free(lcfg);
- OBD_FREE_PTR(bufs);
+ kfree(bufs);
if (rc == -EINVAL)
LCONSOLE_ERROR_MSG(0x15b, "%s: The configuration from log '%s' failed from the MGS (%d). Make sure this client and the MGS are running compatible versions of Lustre.\n",
/** lustre_cfg_bufs are a holdover from 1.4; we can still set these up from
* lctl (and do for echo cli/srv.
*/
-int do_lcfg(char *cfgname, lnet_nid_t nid, int cmd,
- char *s1, char *s2, char *s3, char *s4)
+static int do_lcfg(char *cfgname, lnet_nid_t nid, int cmd,
+ char *s1, char *s2, char *s3, char *s4)
{
struct lustre_cfg_bufs bufs;
- struct lustre_cfg * lcfg = NULL;
+ struct lustre_cfg *lcfg = NULL;
int rc;
CDEBUG(D_TRACE, "lcfg %s %#x %s %s %s %s\n", cfgname,
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.
*/
-int lustre_start_simple(char *obdname, char *type, char *uuid,
- char *s1, char *s2, char *s3, char *s4)
+static int lustre_start_simple(char *obdname, char *type, char *uuid,
+ 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, NULL, NULL);
struct obd_uuid *uuid;
class_uuid_t uuidc;
lnet_nid_t nid;
+ char nidstr[LNET_NIDSTR_SIZE];
char *mgcname = NULL, *niduuid = NULL, *mgssec = NULL;
char *ptr;
- int rc = 0, i = 0, j, len;
+ int rc = 0, i = 0, j;
LASSERT(lsi->lsi_lmd);
- /* Find the first non-lo MGS nid for our MGC name */
- 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)
- continue;
- nid = id.nid;
- i++;
- break;
- }
- }
- } else { /* client */
- /* Use nids from mount line: uml1,1@elan:uml2,2@elan:/lustre */
- ptr = lsi->lsi_lmd->lmd_dev;
- if (class_parse_nid(ptr, &nid, &ptr) == 0)
- i++;
- }
+ /* Use nids from mount line: uml1,1@elan:uml2,2@elan:/lustre */
+ ptr = lsi->lsi_lmd->lmd_dev;
+ if (class_parse_nid(ptr, &nid, &ptr) == 0)
+ i++;
if (i == 0) {
CERROR("No valid MGS nids found.\n");
return -EINVAL;
mutex_lock(&mgc_start_lock);
- len = strlen(LUSTRE_MGC_OBDNAME) + strlen(libcfs_nid2str(nid)) + 1;
- OBD_ALLOC(mgcname, len);
- OBD_ALLOC(niduuid, len + 2);
+ libcfs_nid2str_r(nid, nidstr, sizeof(nidstr));
+ mgcname = kasprintf(GFP_NOFS,
+ "%s%s", LUSTRE_MGC_OBDNAME, nidstr);
+ niduuid = kasprintf(GFP_NOFS, "%s_%x", mgcname, i);
if (!mgcname || !niduuid) {
rc = -ENOMEM;
goto out_free;
}
- sprintf(mgcname, "%s%s", LUSTRE_MGC_OBDNAME, libcfs_nid2str(nid));
mgssec = lsi->lsi_lmd->lmd_mgssec ? lsi->lsi_lmd->lmd_mgssec : "";
- OBD_ALLOC_PTR(data);
- if (data == NULL) {
+ data = kzalloc(sizeof(*data), GFP_NOFS);
+ if (!data) {
rc = -ENOMEM;
goto out_free;
}
}
recov_bk = 0;
- /* If we are restarting the MGS, don't try to keep the MGC's
- old connection, or registration will fail. */
- if (IS_MGS(lsi)) {
- CDEBUG(D_MOUNT, "New MGS with live MGC\n");
- recov_bk = 1;
- }
/* Try all connections, but only once (again).
We don't want to block another target from starting
/* Add the primary nids for the MGS */
i = 0;
- sprintf(niduuid, "%s_%x", mgcname, i);
- 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) {
- rc = do_lcfg(mgcname, id.nid,
- LCFG_ADD_UUID, niduuid,
- NULL, NULL, NULL);
- }
- } 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");
- rc = -EINVAL;
- goto out_free;
- }
- while (class_parse_nid(ptr, &nid, &ptr) == 0) {
- rc = do_lcfg(mgcname, nid,
- LCFG_ADD_UUID, niduuid,
- NULL, NULL, NULL);
- i++;
- }
- }
- } 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, NULL, NULL, NULL);
- i++;
- /* Stop at the first failover nid */
- if (*ptr == ':')
- break;
- }
+ /* 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, NULL, NULL, NULL);
+ i++;
+ /* Stop at the first failover nid */
+ if (*ptr == ':')
+ break;
}
if (i == 0) {
CERROR("No valid MGS nids found.\n");
lsi->lsi_lmd->lmd_mgs_failnodes = 1;
/* Random uuid for MGC allows easier reconnects */
- OBD_ALLOC_PTR(uuid);
+ uuid = kzalloc(sizeof(*uuid), GFP_NOFS);
if (!uuid) {
rc = -ENOMEM;
goto out_free;
rc = lustre_start_simple(mgcname, LUSTRE_MGC_NAME,
(char *)uuid->uuid, LUSTRE_MGS_OBDNAME,
niduuid, NULL, NULL);
- OBD_FREE_PTR(uuid);
+ kfree(uuid);
if (rc)
goto out_free;
out_free:
mutex_unlock(&mgc_start_lock);
- if (data)
- OBD_FREE_PTR(data);
- if (mgcname)
- OBD_FREE(mgcname, len);
- if (niduuid)
- OBD_FREE(niduuid, len + 2);
+ kfree(data);
+ kfree(mgcname);
+ kfree(niduuid);
return rc;
}
/* Save the obdname for cleaning the nid uuids, which are
obdname_XX */
len = strlen(obd->obd_name) + 6;
- OBD_ALLOC(niduuid, len);
+ niduuid = kzalloc(len, GFP_NOFS);
if (niduuid) {
strcpy(niduuid, obd->obd_name);
ptr = niduuid + strlen(niduuid);
niduuid, rc);
}
out:
- if (niduuid)
- OBD_FREE(niduuid, len);
+ kfree(niduuid);
/* class_import_put will get rid of the additional connections */
mutex_unlock(&mgc_start_lock);
/***************** lustre superblock **************/
-struct lustre_sb_info *lustre_init_lsi(struct super_block *sb)
+static struct lustre_sb_info *lustre_init_lsi(struct super_block *sb)
{
struct lustre_sb_info *lsi;
- OBD_ALLOC_PTR(lsi);
+ lsi = kzalloc(sizeof(*lsi), GFP_NOFS);
if (!lsi)
return NULL;
- OBD_ALLOC_PTR(lsi->lsi_lmd);
+ lsi->lsi_lmd = kzalloc(sizeof(*lsi->lsi_lmd), GFP_NOFS);
if (!lsi->lsi_lmd) {
- OBD_FREE_PTR(lsi);
+ kfree(lsi);
return NULL;
}
LASSERT(atomic_read(&lsi->lsi_mounts) == 0);
if (lsi->lsi_lmd != NULL) {
- if (lsi->lsi_lmd->lmd_dev != NULL)
- OBD_FREE(lsi->lsi_lmd->lmd_dev,
- strlen(lsi->lsi_lmd->lmd_dev) + 1);
- 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_mgssec != NULL)
- OBD_FREE(lsi->lsi_lmd->lmd_mgssec,
- strlen(lsi->lsi_lmd->lmd_mgssec) + 1);
- if (lsi->lsi_lmd->lmd_opts != NULL)
- OBD_FREE(lsi->lsi_lmd->lmd_opts,
- strlen(lsi->lsi_lmd->lmd_opts) + 1);
+ kfree(lsi->lsi_lmd->lmd_dev);
+ kfree(lsi->lsi_lmd->lmd_profile);
+ kfree(lsi->lsi_lmd->lmd_mgssec);
+ kfree(lsi->lsi_lmd->lmd_opts);
if (lsi->lsi_lmd->lmd_exclude_count)
- 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));
+ kfree(lsi->lsi_lmd->lmd_exclude);
+ kfree(lsi->lsi_lmd->lmd_mgs);
+ kfree(lsi->lsi_lmd->lmd_osd_type);
+ kfree(lsi->lsi_lmd->lmd_params);
+
+ kfree(lsi->lsi_lmd);
}
LASSERT(lsi->lsi_llsbi == NULL);
- OBD_FREE(lsi, sizeof(*lsi));
+ kfree(lsi);
s2lsi_nocast(sb) = NULL;
return 0;
/* The lsi has one reference for every server that is using the disk -
e.g. MDT, MGS, and potentially MGC */
-int lustre_put_lsi(struct super_block *sb)
+static int lustre_put_lsi(struct super_block *sb)
{
struct lustre_sb_info *lsi = s2lsi(sb);
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;
- lsi->lsi_dt_dev = NULL;
- obd_disconnect(lsi->lsi_osd_exp);
- /* wait till OSD is gone */
- obd_zombie_barrier();
- }
lustre_free_lsi(sb);
return 1;
}
* @param [out] endptr if endptr isn't NULL it is set to end of fsname
* rc < 0 on error
*/
-int server_name2fsname(const char *svname, char *fsname, const char **endptr)
+static int server_name2fsname(const char *svname, char *fsname,
+ const char **endptr)
{
const char *dash;
return 0;
}
-EXPORT_SYMBOL(server_name2fsname);
-
-/**
- * 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(const char *label, char *svname, const char **endptr,
- size_t svsize)
-{
- int rc;
- const char *dash;
-
- /* We use server_name2fsname() just for parsing */
- rc = server_name2fsname(label, NULL, &dash);
- if (rc != 0)
- return rc;
-
- if (endptr != NULL)
- *endptr = dash;
-
- if (strlcpy(svname, dash + 1, svsize) >= svsize)
- return -E2BIG;
-
- 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(const char *svname, __u32 *idx, const char **endptr)
+static int server_name2index(const char *svname, __u32 *idx,
+ const char **endptr)
{
unsigned long index;
int rc;
return rc;
}
-EXPORT_SYMBOL(server_name2index);
/*************** mount common between server and client ***************/
devmax = strlen(ptr) / 8 + 1;
/* temp storage until we figure out how many we have */
- OBD_ALLOC(exclude_list, sizeof(index) * devmax);
+ exclude_list = kcalloc(devmax, sizeof(index), GFP_NOFS);
if (!exclude_list)
return -ENOMEM;
if (lmd->lmd_exclude_count) {
/* permanent, freed in lustre_free_lsi */
- OBD_ALLOC(lmd->lmd_exclude, sizeof(index) *
- lmd->lmd_exclude_count);
+ lmd->lmd_exclude = kcalloc(lmd->lmd_exclude_count,
+ sizeof(index), GFP_NOFS);
if (lmd->lmd_exclude) {
memcpy(lmd->lmd_exclude, exclude_list,
sizeof(index) * lmd->lmd_exclude_count);
lmd->lmd_exclude_count = 0;
}
}
- OBD_FREE(exclude_list, sizeof(index) * devmax);
+ kfree(exclude_list);
return rc;
}
char *tail;
int length;
- if (lmd->lmd_mgssec != NULL) {
- OBD_FREE(lmd->lmd_mgssec, strlen(lmd->lmd_mgssec) + 1);
- lmd->lmd_mgssec = NULL;
- }
+ kfree(lmd->lmd_mgssec);
+ lmd->lmd_mgssec = NULL;
tail = strchr(ptr, ',');
if (tail == NULL)
else
length = tail - ptr;
- OBD_ALLOC(lmd->lmd_mgssec, length + 1);
- if (lmd->lmd_mgssec == NULL)
+ lmd->lmd_mgssec = kzalloc(length + 1, GFP_NOFS);
+ if (!lmd->lmd_mgssec)
return -ENOMEM;
memcpy(lmd->lmd_mgssec, ptr, length);
if ((handle == NULL) || (ptr == NULL))
return -EINVAL;
- if (*handle != NULL) {
- OBD_FREE(*handle, strlen(*handle) + 1);
- *handle = NULL;
- }
+ kfree(*handle);
+ *handle = NULL;
tail = strchr(ptr, ',');
if (tail == NULL)
else
length = tail - ptr;
- OBD_ALLOC(*handle, length + 1);
- if (*handle == NULL)
+ *handle = kzalloc(length + 1, GFP_NOFS);
+ if (!*handle)
return -ENOMEM;
memcpy(*handle, ptr, length);
int oldlen = 0;
/* Find end of nidlist */
- while (class_parse_nid_quiet(tail, &nid, &tail) == 0) {}
+ 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);
if (lmd->lmd_mgs != NULL)
oldlen = strlen(lmd->lmd_mgs) + 1;
- OBD_ALLOC(mgsnid, oldlen + length + 1);
- if (mgsnid == NULL)
+ mgsnid = kzalloc(oldlen + length + 1, GFP_NOFS);
+ if (!mgsnid)
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);
+ kfree(lmd->lmd_mgs);
}
memcpy(mgsnid + oldlen, *ptr, length);
mgsnid[oldlen + length] = '\0';
}
lmd->lmd_magic = LMD_MAGIC;
- OBD_ALLOC(lmd->lmd_params, 4096);
- if (lmd->lmd_params == NULL)
+ lmd->lmd_params = kzalloc(4096, GFP_NOFS);
+ if (!lmd->lmd_params)
return -ENOMEM;
lmd->lmd_params[0] = '\0';
} else if (strncmp(s1, "param=", 6) == 0) {
int length;
char *tail = strchr(s1 + 6, ',');
+
if (tail == NULL)
length = strlen(s1);
else
++s1;
lmd->lmd_flags |= LMD_FLG_CLIENT;
/* Remove leading /s from fsname */
- while (*++s1 == '/') ;
+ while (*++s1 == '/')
+ ;
/* Freed in lustre_free_lsi */
- OBD_ALLOC(lmd->lmd_profile, strlen(s1) + 8);
+ lmd->lmd_profile = kasprintf(GFP_NOFS, "%s-client", s1);
if (!lmd->lmd_profile)
return -ENOMEM;
- sprintf(lmd->lmd_profile, "%s-client", s1);
}
/* Freed in lustre_free_lsi */
- OBD_ALLOC(lmd->lmd_dev, strlen(devname) + 1);
+ lmd->lmd_dev = kzalloc(strlen(devname) + 1, GFP_NOFS);
if (!lmd->lmd_dev)
return -ENOMEM;
strcpy(lmd->lmd_dev, devname);
*s1-- = 0;
if (*options != 0) {
/* Freed in lustre_free_lsi */
- OBD_ALLOC(lmd->lmd_opts, strlen(options) + 1);
+ lmd->lmd_opts = kzalloc(strlen(options) + 1, GFP_NOFS);
if (!lmd->lmd_opts)
return -ENOMEM;
strcpy(lmd->lmd_opts, options);
* and this is where we start setting things up.
* @param data Mount options (e.g. -o flock,abort_recov)
*/
-int lustre_fill_super(struct super_block *sb, void *data, int silent)
+static int lustre_fill_super(struct super_block *sb, void *data, int silent)
{
struct lustre_mount_data *lmd;
struct lustre_mount_data2 *lmd2 = data;
obd_zombie_barrier();
/* Figure out the lmd from the mount options */
- if (lmd_parse((char *)(lmd2->lmd2_data), lmd)) {
+ if (lmd_parse((lmd2->lmd2_data), lmd)) {
lustre_put_lsi(sb);
rc = -EINVAL;
goto out;
return rc;
}
-
/* We can't call ll_fill_super by name because it lives in a module that
must be loaded after this one. */
void lustre_register_client_fill_super(int (*cfs)(struct super_block *sb,
{
struct lustre_sb_info *lsi = s2lsi(sb);
- if (kill_super_cb && lsi && !IS_SERVER(lsi))
+ if (kill_super_cb && lsi)
(*kill_super_cb)(sb);
kill_anon_super(sb);
/** Register the "lustre" fs type
*/
-struct file_system_type lustre_fs_type = {
+static struct file_system_type lustre_fs_type = {
.owner = THIS_MODULE,
.name = "lustre",
.mount = lustre_mount,
.kill_sb = lustre_kill_super,
.fs_flags = FS_BINARY_MOUNTDATA | FS_REQUIRES_DEV |
- FS_HAS_FIEMAP | FS_RENAME_DOES_D_MOVE,
+ FS_RENAME_DOES_D_MOVE,
};
MODULE_ALIAS_FS("lustre");
Code Review / kvmfornfv.git / blobdiff