/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
- */
-/*
- * Copyright (c) 2012, 2013, Intel Corporation.
- * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* 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;
{ OFD_HEALTH_CHECK_OID, HEALTH_CHECK },
{ ACCT_USER_OID, "acct_usr_inode" },
{ ACCT_GROUP_OID, "acct_grp_inode" },
+ { REPLY_DATA_OID, REPLY_DATA },
{ 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;
+
oi->oi_zapid = zde->zde_dnode;
- return rc;
+ return 0;
}
/**
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, parent, 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)
+ u64 seq, struct lu_seq_range *range)
{
struct seq_server_site *ss = osd_seq_site(osd);
- int rc;
- if (fid_is_idif(fid)) {
+ if (fid_seq_is_idif(seq)) {
fld_range_set_ost(range);
- range->lsr_index = fid_idif_ost_idx(fid);
+ range->lsr_index = idif_ost_idx(seq);
return 0;
}
- if (!fid_seq_in_fldb(fid_seq(fid))) {
+ 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
LASSERT(ss != NULL);
fld_range_set_any(range);
- rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
- if (rc != 0)
- CERROR("%s: cannot find FLD range for "DFID": rc = %d\n",
- osd_name(osd), PFID(fid), rc);
- return rc;
+ /* 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",
- osd_name(osd), 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 (fld_range_is_ost(range))
RETURN(1);
}
static struct osd_seq *osd_seq_find_locked(struct osd_seq_list *seq_list,
- obd_seq seq)
+ u64 seq)
{
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;
}
return NULL;
}
-static struct osd_seq *osd_seq_find(struct osd_seq_list *seq_list,
- obd_seq seq)
+static struct osd_seq *osd_seq_find(struct osd_seq_list *seq_list, u64 seq)
{
struct osd_seq *osd_seq;
}
static struct osd_seq *osd_find_or_add_seq(const struct lu_env *env,
- struct osd_device *osd, obd_seq seq)
+ struct osd_device *osd, u64 seq)
{
struct osd_seq_list *seq_list = &osd->od_seq_list;
struct osd_seq *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);
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;
+ u64 id;
int rc;
osd_seq = osd_find_or_add_seq(env, osd, fid_seq(fid));
return PTR_ERR(osd_seq);
}
- rc = fid_to_ostid(fid, &osd_oti_get(env)->oti_ostid);
- LASSERT(rc == 0); /* we should not get here with IGIF */
- b = ostid_id(&osd_oti_get(env)->oti_ostid) % 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, ostid_id(&osd_oti_get(env)->oti_ostid));
+ sprintf(buf, LPU64, id);
return osd_seq->os_compat_dirs[b];
}
int rc = 0;
ENTRY;
- if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
+ if (OBD_FAIL_CHECK(OBD_FAIL_SRV_ENOENT))
RETURN(-ENOENT);
if (unlikely(fid_is_acct(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);
}
oi = o->od_oi_table[key];
if (oi) {
+ if (oi->oi_db)
+ sa_buf_rele(oi->oi_db, osd_obj_tag);
OBD_FREE_PTR(oi);
o->od_oi_table[key] = NULL;
}
}
o->od_oi_table[key] = oi;
+ __osd_obj2dbuf(env, o->od_os, oi->oi_zapid, &oi->oi_db);
return 0;
}
RETURN(0);
}
-static void osd_ost_seq_init(const struct lu_env *env, struct osd_device *osd)
-{
- struct osd_seq_list *osl = &osd->od_seq_list;
-
- CFS_INIT_LIST_HEAD(&osl->osl_seq_list);
- rwlock_init(&osl->osl_seq_list_lock);
- sema_init(&osl->osl_seq_init_sem, 1);
-}
-
static void osd_ost_seq_fini(const struct lu_env *env, struct osd_device *osd)
{
struct osd_seq_list *osl = &osd->od_seq_list;
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);
- osd_ost_seq_init(env, o);
+ o->od_O_id = sdb;
+
/* Create on-disk indexes to maintain per-UID/GID inode usage.
* Those new indexes are created in the top-level ZAP outside the
* namespace in order not to confuse ZPL which might interpret those
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_objset.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_objset.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_objset.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_objset.os, zapid, buf, tx);
- if (rc)
- GOTO(err, rc);
-
- lze->lzd_fid = newfid;
- rc = -zap_add(o->od_objset.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_objset.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.
*/
return 0;
}
-
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff