* Use is subject to license terms.
*/
/*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
* Use is subject to license terms.
*/
/*
* Author: Di Wang <di.wang@intel.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
#define DEBUG_SUBSYSTEM S_OSD
#include <lustre_ver.h>
#include <sys/sa_impl.h>
#include <sys/txg.h>
-static char *oi_tag = "osd_mount, oi";
-
#define OSD_OI_FID_NR (1UL << 7)
#define OSD_OI_FID_NR_MAX (1UL << OSD_OI_FID_OID_BITS_MAX)
unsigned int osd_oi_count = OSD_OI_FID_NR;
};
static const struct named_oid oids[] = {
- { OFD_LAST_RECV_OID, LAST_RCVD },
+ { LAST_RECV_OID, LAST_RCVD },
{ OFD_LAST_GROUP_OID, "LAST_GROUP" },
{ LLOG_CATALOGS_OID, "CATALOGS" },
{ MGS_CONFIGS_OID, NULL /*MOUNT_CONFIGS_DIR*/ },
{ FID_SEQ_SRV_OID, "seq_srv" },
{ FID_SEQ_CTL_OID, "seq_ctl" },
- { MDD_CAPA_KEYS_OID, NULL /*CAPA_KEYS*/ },
{ FLD_INDEX_OID, "fld" },
{ MDD_LOV_OBJ_OID, LOV_OBJID },
- { MDT_LAST_RECV_OID, LAST_RCVD },
{ OFD_HEALTH_CHECK_OID, HEALTH_CHECK },
{ ACCT_USER_OID, "acct_usr_inode" },
{ ACCT_GROUP_OID, "acct_grp_inode" },
- { MDD_ROOT_INDEX_OID, NULL },
- { MDD_ORPHAN_OID, NULL },
{ 0, NULL }
};
struct zpl_direntry *zde = &osd_oti_get(env)->oti_zde.lzd_reg;
int rc;
- rc = -zap_lookup(o->od_objset.os, parent, name, 8, 1, (void *)zde);
+ rc = -zap_lookup(o->od_os, parent, name, 8, 1, (void *)zde);
if (rc)
return rc;
- strncpy(oi->oi_name, name, OSD_OI_NAME_SIZE - 1);
+ rc = strlcpy(oi->oi_name, name, sizeof(oi->oi_name));
+ if (rc >= sizeof(oi->oi_name))
+ return -E2BIG;
+
+ rc = 0;
oi->oi_zapid = zde->zde_dnode;
return rc;
int rc;
/* verify it doesn't already exist */
- rc = -zap_lookup(o->od_objset.os, parent, name, 8, 1, (void *)zde);
+ rc = -zap_lookup(o->od_os, parent, name, 8, 1, (void *)zde);
if (rc == 0)
return -EEXIST;
/* create fid-to-dnode index */
- tx = dmu_tx_create(o->od_objset.os);
+ tx = dmu_tx_create(o->od_os);
if (tx == NULL)
return -ENOMEM;
la->la_valid = LA_MODE | LA_UID | LA_GID;
la->la_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO;
la->la_uid = la->la_gid = 0;
- __osd_zap_create(env, &o->od_objset, &db, tx, la, oi_tag, 0);
+ __osd_zap_create(env, o, &db, tx, la, parent, 0);
zde->zde_dnode = db->db_object;
zde->zde_pad = 0;
zde->zde_type = IFTODT(S_IFDIR);
- rc = -zap_add(o->od_objset.os, parent, name, 8, 1, (void *)zde, tx);
+ rc = -zap_add(o->od_os, parent, name, 8, 1, (void *)zde, tx);
dmu_tx_commit(tx);
*child = db->db_object;
- sa_buf_rele(db, oi_tag);
+ sa_buf_rele(db, osd_obj_tag);
return rc;
}
* the object is located (tgt index) and it is MDT or OST object.
*/
int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
- const struct lu_fid *fid, struct lu_seq_range *range)
+ obd_seq seq, struct lu_seq_range *range)
{
struct seq_server_site *ss = osd_seq_site(osd);
- int rc;
- if (fid_is_idif(fid)) {
- range->lsr_flags = LU_SEQ_RANGE_OST;
- range->lsr_index = fid_idif_ost_idx(fid);
+ if (fid_seq_is_idif(seq)) {
+ fld_range_set_ost(range);
+ range->lsr_index = idif_ost_idx(seq);
return 0;
}
- if (!fid_is_norm(fid)) {
- range->lsr_flags = LU_SEQ_RANGE_MDT;
+ if (!fid_seq_in_fldb(seq)) {
+ fld_range_set_mdt(range);
if (ss != NULL)
+ /* FIXME: If ss is NULL, it suppose not get lsr_index
+ * at all */
range->lsr_index = ss->ss_node_id;
return 0;
}
LASSERT(ss != NULL);
- range->lsr_flags = -1;
- rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
- if (rc != 0) {
- CERROR("%s can not find "DFID": rc = %d\n",
- osd2lu_dev(osd)->ld_obd->obd_name, PFID(fid), rc);
- }
- return rc;
+ fld_range_set_any(range);
+ /* OSD will only do local fld lookup */
+ return fld_local_lookup(env, ss->ss_server_fld, seq, range);
}
int fid_is_on_ost(const struct lu_env *env, struct osd_device *osd,
const struct lu_fid *fid)
{
- struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
- int rc;
+ struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
+ int rc;
ENTRY;
if (fid_is_idif(fid))
RETURN(1);
- rc = osd_fld_lookup(env, osd, fid, range);
+ if (unlikely(fid_is_local_file(fid) || fid_is_llog(fid)) ||
+ fid_is_name_llog(fid) || fid_is_quota(fid))
+ RETURN(0);
+
+ rc = osd_fld_lookup(env, osd, fid_seq(fid), range);
if (rc != 0) {
- CERROR("%s: Can not lookup fld for "DFID"\n",
- osd2lu_dev(osd)->ld_obd->obd_name, PFID(fid));
- RETURN(rc);
+ if (rc != -ENOENT)
+ CERROR("%s: "DFID" lookup failed: rc = %d\n",
+ osd_name(osd), PFID(fid), rc);
+ RETURN(0);
}
- CDEBUG(D_INFO, "fid "DFID" range "DRANGE"\n", PFID(fid),
- PRANGE(range));
-
- if (range->lsr_flags == LU_SEQ_RANGE_OST)
+ if (fld_range_is_ost(range))
RETURN(1);
RETURN(0);
{
struct osd_seq *osd_seq;
- cfs_list_for_each_entry(osd_seq, &seq_list->osl_seq_list, os_seq_list) {
+ list_for_each_entry(osd_seq, &seq_list->osl_seq_list, os_seq_list) {
if (osd_seq->os_seq == seq)
return osd_seq;
}
if (osd_seq == NULL)
GOTO(out, rc = -ENOMEM);
- CFS_INIT_LIST_HEAD(&osd_seq->os_seq_list);
+ INIT_LIST_HEAD(&osd_seq->os_seq_list);
osd_seq->os_seq = seq;
/* Init subdir count to be 32, but each seq can have
if (osd_seq->os_compat_dirs == NULL)
GOTO(out, rc = -ENOMEM);
- rc = osd_oi_lookup(env, osd, osd->od_root, "O", &oi);
- if (rc != 0) {
- CERROR("%s: Can not find O: rc = %d\n", osd_name(osd), rc);
- GOTO(out, rc);
- }
-
+ oi.oi_zapid = osd->od_O_id;
sprintf(seq_name, (fid_seq_is_rsvd(seq) ||
fid_seq_is_mdt0(seq)) ? LPU64 : LPX64i,
fid_seq_is_idif(seq) ? 0 : seq);
- rc = osd_oi_create(env, osd, oi.oi_zapid, seq_name, &odb);
+ rc = osd_oi_find_or_create(env, osd, oi.oi_zapid, seq_name, &odb);
if (rc != 0) {
CERROR("%s: Can not create %s : rc = %d\n",
osd_name(osd), seq_name, rc);
GOTO(out, rc);
}
- if (seq == 0)
- osd->od_ost_compat_grp0 = odb;
-
for (i = 0; i < OSD_OST_MAP_SIZE; i++) {
sprintf(key, "d%d", i);
rc = osd_oi_find_or_create(env, osd, odb, key, &sdb);
if (rc)
- GOTO(out, osd_seq = ERR_PTR(rc));
+ GOTO(out, rc);
osd_seq->os_compat_dirs[i] = sdb;
}
write_lock(&seq_list->osl_seq_list_lock);
- cfs_list_add(&osd_seq->os_seq_list, &seq_list->osl_seq_list);
+ list_add(&osd_seq->os_seq_list, &seq_list->osl_seq_list);
write_unlock(&seq_list->osl_seq_list_lock);
out:
up(&seq_list->osl_seq_init_sem);
{
struct osd_seq *osd_seq;
unsigned long b;
+ obd_id id;
int rc;
osd_seq = osd_find_or_add_seq(env, osd, fid_seq(fid));
PFID(fid));
return PTR_ERR(osd_seq);
}
- rc = fid_ostid_pack(fid, &osd_oti_get(env)->oti_ostid);
- LASSERT(rc == 0); /* we should not get here with IGIF */
- b = osd_oti_get(env)->oti_ostid.oi_id % OSD_OST_MAP_SIZE;
+
+ if (fid_is_last_id(fid)) {
+ id = 0;
+ } else {
+ rc = fid_to_ostid(fid, &osd_oti_get(env)->oti_ostid);
+ LASSERT(rc == 0); /* we should not get here with IGIF */
+ id = ostid_id(&osd_oti_get(env)->oti_ostid);
+ }
+
+ b = id % OSD_OST_MAP_SIZE;
LASSERT(osd_seq->os_compat_dirs[b]);
- sprintf(buf, LPU64, osd_oti_get(env)->oti_ostid.oi_id);
+ sprintf(buf, LPU64, id);
return osd_seq->os_compat_dirs[b];
}
LASSERT(fid);
LASSERT(buf);
- if (fid_is_on_ost(env, osd, fid) == 1) {
+ if (fid_is_on_ost(env, osd, fid) == 1 || fid_seq(fid) == FID_SEQ_ECHO) {
zapid = osd_get_idx_for_ost_obj(env, osd, fid, buf);
- } else if (fid_is_last_id(fid)) {
- zapid = osd->od_ost_compat_grp0;
} else if (unlikely(fid_seq(fid) == FID_SEQ_LOCAL_FILE)) {
/* special objects with fixed known fids get their name */
char *name = oid2name(fid_oid(fid));
} else {
zapid = osd_get_name_n_idx(env, dev, fid, buf);
- rc = -zap_lookup(dev->od_objset.os, zapid, buf,
+ rc = -zap_lookup(dev->od_os, zapid, buf,
8, 1, &info->oti_zde);
if (rc)
RETURN(rc);
*oid = info->oti_zde.lzd_reg.zde_dnode;
}
+ if (rc == 0)
+ dmu_prefetch(dev->od_os, *oid, 0, 0);
+
RETURN(rc);
}
{
struct osd_seq_list *osl = &osd->od_seq_list;
- CFS_INIT_LIST_HEAD(&osl->osl_seq_list);
+ INIT_LIST_HEAD(&osl->osl_seq_list);
rwlock_init(&osl->osl_seq_list_lock);
sema_init(&osl->osl_seq_init_sem, 1);
}
struct osd_seq *osd_seq, *tmp;
write_lock(&osl->osl_seq_list_lock);
- cfs_list_for_each_entry_safe(osd_seq, tmp, &osl->osl_seq_list,
- os_seq_list) {
- cfs_list_del(&osd_seq->os_seq_list);
+ list_for_each_entry_safe(osd_seq, tmp, &osl->osl_seq_list,
+ os_seq_list) {
+ list_del(&osd_seq->os_seq_list);
OBD_FREE(osd_seq->os_compat_dirs,
sizeof(uint64_t) * osd_seq->os_subdir_count);
OBD_FREE(osd_seq, sizeof(*osd_seq));
if (rc)
RETURN(rc);
+ o->od_O_id = sdb;
+
osd_ost_seq_init(env, o);
/* Create on-disk indexes to maintain per-UID/GID inode usage.
* Those new indexes are created in the top-level ZAP outside the
RETURN(rc);
}
+static char *root2convert = "ROOT";
+/*
+ * due to DNE requirements we have to change sequence of /ROOT object
+ * so that it doesn't belong to the local sequence FID_SEQ_LOCAL_FILE
+ * but a normal sequence living on MDS#0
+ * this is the sole purpose of this function.
+ *
+ * This is only needed for pre-production 2.4 ZFS filesystems, and
+ * can be removed in the future.
+ */
+int osd_convert_root_to_new_seq(const struct lu_env *env,
+ struct osd_device *o)
+{
+ struct luz_direntry *lze = &osd_oti_get(env)->oti_zde;
+ char *buf = osd_oti_get(env)->oti_str;
+ struct lu_fid newfid;
+ uint64_t zapid;
+ dmu_tx_t *tx = NULL;
+ int rc;
+ ENTRY;
+
+ /* ignore OSTs */
+ if (strstr(o->od_svname, "MDT") == NULL)
+ RETURN(0);
+
+ /* lookup /ROOT */
+ rc = -zap_lookup(o->od_os, o->od_root, root2convert, 8,
+ sizeof(*lze) / 8, (void *)lze);
+ /* doesn't exist or let actual user to handle the error */
+ if (rc)
+ RETURN(0);
+
+ CDEBUG(D_OTHER, "%s: /ROOT -> "DFID" -> "LPU64"\n", o->od_svname,
+ PFID(&lze->lzd_fid), (long long int) lze->lzd_reg.zde_dnode);
+
+ /* already right one? */
+ if (fid_seq(&lze->lzd_fid) == FID_SEQ_ROOT)
+ return 0;
+
+ tx = dmu_tx_create(o->od_os);
+ if (tx == NULL)
+ return -ENOMEM;
+
+ dmu_tx_hold_bonus(tx, o->od_root);
+
+ /* declare delete/insert of the name */
+ dmu_tx_hold_zap(tx, o->od_root, TRUE, root2convert);
+ dmu_tx_hold_zap(tx, o->od_root, FALSE, root2convert);
+
+ /* declare that we'll remove object from fid-dnode mapping */
+ zapid = osd_get_name_n_idx(env, o, &lze->lzd_fid, buf);
+ dmu_tx_hold_bonus(tx, zapid);
+ dmu_tx_hold_zap(tx, zapid, FALSE, buf);
+
+ /* declare that we'll add object to fid-dnode mapping */
+ newfid.f_seq = FID_SEQ_ROOT;
+ newfid.f_oid = 1;
+ newfid.f_ver = 0;
+ zapid = osd_get_name_n_idx(env, o, &newfid, buf);
+ dmu_tx_hold_bonus(tx, zapid);
+ dmu_tx_hold_zap(tx, zapid, TRUE, buf);
+
+ rc = -dmu_tx_assign(tx, TXG_WAIT);
+ if (rc)
+ GOTO(err, rc);
+
+ rc = -zap_remove(o->od_os, o->od_root, root2convert, tx);
+ if (rc)
+ GOTO(err, rc);
+
+ /* remove from OI */
+ zapid = osd_get_name_n_idx(env, o, &lze->lzd_fid, buf);
+ rc = -zap_remove(o->od_os, zapid, buf, tx);
+ if (rc)
+ GOTO(err, rc);
+
+ lze->lzd_fid = newfid;
+ rc = -zap_add(o->od_os, o->od_root, root2convert,
+ 8, sizeof(*lze) / 8, (void *)lze, tx);
+ if (rc)
+ GOTO(err, rc);
+
+ /* add to OI with the new fid */
+ zapid = osd_get_name_n_idx(env, o, &newfid, buf);
+ rc = -zap_add(o->od_os, zapid, buf, 8, 1, &lze->lzd_reg, tx);
+ if (rc)
+ GOTO(err, rc);
+
+
+ /* LMA will be updated in mdd_compat_fixes */
+ dmu_tx_commit(tx);
+
+ RETURN(rc);
+
+err:
+ if (tx)
+ dmu_tx_abort(tx);
+ CERROR("%s: can't convert to new fid: rc = %d\n", o->od_svname, rc);
+ RETURN(rc);
+}
+
/**
* Initialize the OIs by either opening or creating them as needed.
*/