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LU-2783 ofd: Implement OBD_IOC_GET_OBJ_VERSION
[fs/lustre-release.git]
/
lustre
/
ofd
/
ofd_obd.c
diff --git
a/lustre/ofd/ofd_obd.c
b/lustre/ofd/ofd_obd.c
index
b4dd026
..
dbb7fc9
100644
(file)
--- a/
lustre/ofd/ofd_obd.c
+++ b/
lustre/ofd/ofd_obd.c
@@
-51,7
+51,7
@@
static int ofd_export_stats_init(struct ofd_device *ofd,
{
struct obd_device *obd = ofd_obd(ofd);
struct nid_stat *stats;
- int num_stats
, i
;
+ int num_stats;
int rc, newnid = 0;
ENTRY;
@@
-75,18
+75,6
@@
static int ofd_export_stats_init(struct ofd_device *ofd,
stats = exp->exp_nid_stats;
LASSERT(stats != NULL);
- OBD_ALLOC(stats->nid_brw_stats, sizeof(struct brw_stats));
- if (stats->nid_brw_stats == NULL)
- GOTO(clean, rc = -ENOMEM);
-
- for (i = 0; i < BRW_LAST; i++)
- spin_lock_init(&stats->nid_brw_stats->hist[i].oh_lock);
-
- rc = lprocfs_seq_create(stats->nid_proc, "brw_stats", 0644,
- &ofd_per_nid_stats_fops, stats);
- if (rc)
- CWARN("Error adding the brw_stats file\n");
-
num_stats = (sizeof(*obd->obd_type->typ_dt_ops) / sizeof(void *)) +
LPROC_OFD_LAST - 1;
@@
-128,10
+116,11
@@
static int ofd_parse_connect_data(const struct lu_env *env,
RETURN(0);
CDEBUG(D_RPCTRACE, "%s: cli %s/%p ocd_connect_flags: "LPX64
- " ocd_version: %x ocd_grant: %d ocd_index: %u\n",
+ " ocd_version: %x ocd_grant: %d ocd_index: %u"
+ " ocd_group %u\n",
exp->exp_obd->obd_name, exp->exp_client_uuid.uuid, exp,
data->ocd_connect_flags, data->ocd_version,
- data->ocd_grant, data->ocd_index);
+ data->ocd_grant, data->ocd_index
, data->ocd_group
);
if (fed->fed_group != 0 && fed->fed_group != data->ocd_group) {
CWARN("!!! This export (nid %s) used object group %d "
@@
-145,7
+134,7
@@
static int ofd_parse_connect_data(const struct lu_env *env,
fed->fed_group = data->ocd_group;
data->ocd_connect_flags &= OST_CONNECT_SUPPORTED;
- exp->exp_connect_
flags = data->ocd_connect_flags
;
+ exp->exp_connect_
data = *data
;
data->ocd_version = LUSTRE_VERSION_CODE;
/* Kindly make sure the SKIP_ORPHAN flag is from MDS. */
@@
-164,7
+153,7
@@
static int ofd_parse_connect_data(const struct lu_env *env,
data->ocd_grant_extent = ofd->ofd_dt_conf.ddp_grant_frag >> 10;
}
- if (exp
->exp_connect_flags
& OBD_CONNECT_GRANT)
+ if (exp
_connect_flags(exp)
& OBD_CONNECT_GRANT)
data->ocd_grant = ofd_grant_connect(env, exp, data->ocd_grant);
if (data->ocd_connect_flags & OBD_CONNECT_INDEX) {
@@
-192,7
+181,7
@@
static int ofd_parse_connect_data(const struct lu_env *env,
data->ocd_brw_size = 65536;
} else if (data->ocd_connect_flags & OBD_CONNECT_BRW_SIZE) {
data->ocd_brw_size = min(data->ocd_brw_size,
-
(__u32)(PTLRPC_MAX_BRW_PAGES << CFS_PAGE_SHIFT)
);
+
(__u32)DT_MAX_BRW_SIZE
);
if (data->ocd_brw_size == 0) {
CERROR("%s: cli %s/%p ocd_connect_flags: "LPX64
" ocd_version: %x ocd_grant: %d ocd_index: %u "
@@
-236,14
+225,24
@@
static int ofd_parse_connect_data(const struct lu_env *env,
if (data->ocd_connect_flags & OBD_CONNECT_MAXBYTES)
data->ocd_maxbytes = ofd->ofd_dt_conf.ddp_maxbytes;
- RETURN(0);
+ if (data->ocd_connect_flags & OBD_CONNECT_PINGLESS) {
+ if (suppress_pings) {
+ spin_lock(&exp->exp_obd->obd_dev_lock);
+ list_del_init(&exp->exp_obd_chain_timed);
+ spin_unlock(&exp->exp_obd->obd_dev_lock);
+ } else {
+ data->ocd_connect_flags &= ~OBD_CONNECT_PINGLESS;
+ }
+ }
+
+ RETURN(0);
}
static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
struct obd_device *obd, struct obd_uuid *cluuid,
struct obd_connect_data *data, void *localdata)
{
- struct ofd_device *ofd
= ofd_dev(obd->obd_lu_dev)
;
+ struct ofd_device *ofd;
int rc;
ENTRY;
@@
-251,6
+250,8
@@
static int ofd_obd_reconnect(const struct lu_env *env, struct obd_export *exp,
if (exp == NULL || obd == NULL || cluuid == NULL)
RETURN(-EINVAL);
+ ofd = ofd_dev(obd->obd_lu_dev);
+
rc = lu_env_refill((struct lu_env *)env);
if (rc != 0) {
CERROR("Failure to refill session: '%d'\n", rc);
@@
-406,7
+407,7
@@
static int ofd_destroy_export(struct obd_export *exp)
ofd_grant_discard(exp);
ofd_fmd_cleanup(exp);
- if (exp
->exp_connect_flags
& OBD_CONNECT_GRANT_SHRINK) {
+ if (exp
_connect_flags(exp)
& OBD_CONNECT_GRANT_SHRINK) {
if (ofd->ofd_tot_granted_clients > 0)
ofd->ofd_tot_granted_clients --;
}
@@
-485,7
+486,7
@@
static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
__u32 keylen, void *key, __u32 vallen, void *val,
struct ptlrpc_request_set *set)
{
- struct ofd_device *ofd
= ofd_exp(exp)
;
+ struct ofd_device *ofd;
int rc = 0;
ENTRY;
@@
-495,6
+496,8
@@
static int ofd_set_info_async(const struct lu_env *env, struct obd_export *exp,
RETURN(-EINVAL);
}
+ ofd = ofd_exp(exp);
+
if (KEY_IS(KEY_CAPA_KEY)) {
rc = ofd_update_capa_key(ofd, val);
if (rc)
@@
-523,7
+526,7
@@
static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
__u32 keylen, void *key, __u32 *vallen, void *val,
struct lov_stripe_md *lsm)
{
- struct ofd_device *ofd
= ofd_exp(exp)
;
+ struct ofd_device *ofd;
int rc = 0;
ENTRY;
@@
-533,6
+536,8
@@
static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
RETURN(-EINVAL);
}
+ ofd = ofd_exp(exp);
+
if (KEY_IS(KEY_BLOCKSIZE)) {
__u32 *blocksize = val;
if (blocksize) {
@@
-560,7
+565,7
@@
static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
ofd_info_init(env, exp);
oseq = ofd_seq_load(env, ofd,
(obd_seq)exp->exp_filter_data.fed_group);
- LASSERT(
oseq != NULL
);
+ LASSERT(
!IS_ERR(oseq)
);
if (last_id) {
if (*vallen < sizeof(*last_id)) {
ofd_seq_put(env, oseq);
@@
-612,6
+617,41
@@
static int ofd_get_info(const struct lu_env *env, struct obd_export *exp,
} else if (KEY_IS(KEY_SYNC_LOCK_CANCEL)) {
*((__u32 *) val) = ofd->ofd_sync_lock_cancel;
*vallen = sizeof(__u32);
+ } else if (KEY_IS(KEY_LAST_FID)) {
+ struct lu_env env;
+ struct ofd_device *ofd = ofd_exp(exp);
+ struct ofd_seq *oseq;
+ struct ost_id *oid = val;
+ int rc;
+
+ if (oid == NULL) {
+ *vallen = sizeof(struct ost_id);
+ RETURN(0);
+ }
+
+ if (*vallen < sizeof(*oid))
+ RETURN(-EOVERFLOW);
+
+ rc = lu_env_init(&env, LCT_DT_THREAD);
+ if (rc != 0)
+ RETURN(rc);
+ ofd_info_init(&env, exp);
+
+ ostid_le_to_cpu(oid, oid);
+ CDEBUG(D_HA, "Get LAST FID for seq "LPX64"\n", oid->oi_seq);
+
+ oseq = ofd_seq_load(&env, ofd, oid->oi_seq);
+ if (IS_ERR(oseq))
+ GOTO(out_fini, rc = PTR_ERR(oseq));
+
+ CDEBUG(D_HA, "LAST FID is "POSTID"\n", oseq->os_last_oid,
+ oseq->os_seq);
+
+ *oid = oseq->os_oi;
+ *vallen = sizeof(*oid);
+ ofd_seq_put(&env, oseq);
+out_fini:
+ lu_env_fini(&env);
} else {
CERROR("Not supported key %s\n", (char*)key);
rc = -EOPNOTSUPP;
@@
-730,7
+770,7
@@
static int ofd_statfs(const struct lu_env *env, struct obd_export *exp,
/* The QoS code on the MDS does not care about space reserved for
* precreate, so take it out. */
- if (exp
->exp_connect_flags
& OBD_CONNECT_MDS) {
+ if (exp
_connect_flags(exp)
& OBD_CONNECT_MDS) {
struct filter_export_data *fed;
fed = &obd->obd_self_export->exp_filter_data;
@@
-1076,7
+1116,7
@@
static int ofd_orphans_destroy(const struct lu_env *env,
}
LASSERT(exp != NULL);
- skip_orphan = !!(exp
->exp_connect_flags
& OBD_CONNECT_SKIP_ORPHAN);
+ skip_orphan = !!(exp
_connect_flags(exp)
& OBD_CONNECT_SKIP_ORPHAN);
last = ofd_seq_last_oid(oseq);
LCONSOLE_INFO("%s: deleting orphan objects from "LPX64":"LPU64
@@
-1119,7
+1159,8
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
struct ofd_thread_info *info;
obd_seq seq = oa->o_seq;
struct ofd_seq *oseq;
- int rc = 0, diff;
+ int rc = 0, diff;
+ int sync_trans = 0;
ENTRY;
@@
-1133,8
+1174,9
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
seq, oa->o_id);
oseq = ofd_seq_load(env, ofd, seq);
- if (oseq == NULL) {
- CERROR("%s: Can't find oseq "LPX64"\n", ofd_name(ofd), seq);
+ if (IS_ERR(oseq)) {
+ CERROR("%s: Can't find FID Sequence "LPX64": rc = %ld\n",
+ ofd_name(ofd), seq, PTR_ERR(oseq));
RETURN(-EINVAL);
}
@@
-1194,6
+1236,20
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
diff = 1; /* shouldn't we create this right now? */
} else {
diff = oa->o_id - ofd_seq_last_oid(oseq);
+ /* Do sync create if the seq is about to used up */
+ if (fid_seq_is_idif(oa->o_seq) ||
+ fid_seq_is_mdt0(oa->o_seq)) {
+ if (unlikely(oa->o_id >= IDIF_MAX_OID - 1))
+ sync_trans = 1;
+ } else if (fid_seq_is_norm(oa->o_seq)) {
+ if (unlikely(oa->o_id >=
+ LUSTRE_DATA_SEQ_MAX_WIDTH - 1))
+ sync_trans = 1;
+ } else {
+ CERROR("%s : invalid o_seq "LPX64": rc = %d\n",
+ ofd_name(ofd), oa->o_seq, -EINVAL);
+ GOTO(out, rc = -EINVAL);
+ }
}
}
if (diff > 0) {
@@
-1209,9
+1265,9
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
ofd_obd(ofd)->obd_self_export,
&diff);
if (rc) {
- CDEBUG(D_HA, "%s: failed to acquire grant
space
"
- "
for precreate (%d)
\n",
- ofd_name(ofd), diff);
+ CDEBUG(D_HA, "%s: failed to acquire grant "
+ "
space for precreate (%d): rc = %d
\n",
+ ofd_name(ofd), diff
, rc
);
diff = 0;
}
}
@@
-1234,7
+1290,7
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
}
rc = ofd_precreate_objects(env, ofd, next_id,
- oseq, count);
+ oseq, count
, sync_trans
);
if (rc > 0) {
created += rc;
diff -= rc;
@@
-1247,7
+1303,8
@@
int ofd_create(const struct lu_env *env, struct obd_export *exp,
* them, even if last creation failed */
rc = 0;
else
- CERROR("unable to precreate: %d\n", rc);
+ CERROR("%s: unable to precreate: rc = %d\n",
+ ofd_name(ofd), rc);
oa->o_id = ofd_seq_last_oid(oseq);
oa->o_valid |= OBD_MD_FLID | OBD_MD_FLGROUP;
@@
-1366,6
+1423,63
@@
out:
return rc;
}
+static int ofd_ioc_get_obj_version(const struct lu_env *env,
+ struct ofd_device *ofd, void *karg)
+{
+ struct obd_ioctl_data *data = karg;
+ struct lu_fid fid;
+ struct ofd_object *fo;
+ dt_obj_version_t version;
+ int rc = 0;
+
+ ENTRY;
+
+ if (data->ioc_inlbuf2 == NULL || data->ioc_inllen2 != sizeof(version))
+ GOTO(out, rc = -EINVAL);
+
+ if (data->ioc_inlbuf1 != NULL && data->ioc_inllen1 == sizeof(fid)) {
+ fid = *(struct lu_fid *)data->ioc_inlbuf1;
+ } else if (data->ioc_inlbuf3 != NULL &&
+ data->ioc_inllen3 == sizeof(__u64) &&
+ data->ioc_inlbuf4 != NULL &&
+ data->ioc_inllen4 == sizeof(__u64)) {
+ struct ost_id ostid;
+
+ ostid.oi_id = *(__u64 *)data->ioc_inlbuf3;
+ ostid.oi_seq = *(__u64 *)data->ioc_inlbuf4;
+ rc = fid_ostid_unpack(&fid, &ostid, 0);
+ if (rc != 0)
+ GOTO(out, rc);
+ } else {
+ GOTO(out, rc = -EINVAL);
+ }
+
+ if (!fid_is_sane(&fid))
+ GOTO(out, rc = -EINVAL);
+
+ fo = ofd_object_find(env, ofd, &fid);
+ if (IS_ERR(fo))
+ GOTO(out, rc = PTR_ERR(fo));
+
+ if (!ofd_object_exists(fo))
+ GOTO(out_fo, rc = -ENOENT);
+
+ if (lu_object_remote(&fo->ofo_obj.do_lu))
+ GOTO(out_fo, rc = -EREMOTE);
+
+ version = dt_version_get(env, ofd_object_child(fo));
+ if (version == 0)
+ GOTO(out_fo, rc = -EIO);
+
+ *(dt_obj_version_t *)data->ioc_inlbuf2 = version;
+
+ EXIT;
+out_fo:
+ ofd_object_put(env, fo);
+out:
+ return rc;
+}
+
int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
void *karg, void *uarg)
{
@@
-1377,7
+1491,7
@@
int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
ENTRY;
CDEBUG(D_IOCTL, "handling ioctl cmd %#x\n", cmd);
- rc = lu_env_init(&env, LCT_
LOCAL
);
+ rc = lu_env_init(&env, LCT_
DT_THREAD
);
if (rc)
RETURN(rc);
@@
-1395,6
+1509,9
@@
int ofd_iocontrol(unsigned int cmd, struct obd_export *exp, int len,
if (rc == 0)
rc = dt_ro(&env, ofd->ofd_osd);
break;
+ case OBD_IOC_GET_OBJ_VERSION:
+ rc = ofd_ioc_get_obj_version(&env, ofd, karg);
+ break;
default:
CERROR("%s: not supported cmd = %d\n", obd->obd_name, cmd);
rc = -ENOTTY;