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LU-13408 target: update in-memory per client data
[fs/lustre-release.git]
/
lustre
/
target
/
tgt_lastrcvd.c
diff --git
a/lustre/target/tgt_lastrcvd.c
b/lustre/target/tgt_lastrcvd.c
index
398a60a
..
061f088
100644
(file)
--- a/
lustre/target/tgt_lastrcvd.c
+++ b/
lustre/target/tgt_lastrcvd.c
@@
-529,7
+529,7
@@
static void tgt_cb_new_client(struct lu_env *env, struct thandle *th,
{
struct tgt_new_client_callback *ccb;
- ccb = container_of
0
(cb, struct tgt_new_client_callback, lncc_cb);
+ ccb = container_of(cb, struct tgt_new_client_callback, lncc_cb);
LASSERT(ccb->lncc_exp->exp_obd);
@@
-797,7
+797,7
@@
void tgt_boot_epoch_update(struct lu_target *tgt)
struct lu_env env;
struct ptlrpc_request *req;
__u32 start_epoch;
-
struct list_head client_list
;
+
LIST_HEAD(client_list)
;
int rc;
if (tgt->lut_obd->obd_stopping)
@@
-816,7
+816,6
@@
void tgt_boot_epoch_update(struct lu_target *tgt)
tgt->lut_lsd.lsd_start_epoch = start_epoch;
spin_unlock(&tgt->lut_translock);
- INIT_LIST_HEAD(&client_list);
/**
* The recovery is not yet finished and final queue can still be updated
* with resend requests. Move final list to separate one for processing
@@
-868,7
+867,7
@@
static void tgt_cb_last_committed(struct lu_env *env, struct thandle *th,
{
struct tgt_last_committed_callback *ccb;
- ccb = container_of
0
(cb, struct tgt_last_committed_callback, llcc_cb);
+ ccb = container_of(cb, struct tgt_last_committed_callback, llcc_cb);
LASSERT(ccb->llcc_exp);
LASSERT(ccb->llcc_tgt != NULL);
@@
-945,6
+944,26
@@
static int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *tgt,
return rc ? rc : exp->exp_need_sync;
}
+static int tgt_is_local_client(const struct lu_env *env,
+ struct obd_export *exp)
+{
+ struct lu_target *tgt = class_exp2tgt(exp);
+ struct tgt_session_info *tsi = tgt_ses_info(env);
+ struct ptlrpc_request *req = tgt_ses_req(tsi);
+
+ if (exp_connect_flags(exp) & OBD_CONNECT_MDS ||
+ exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS)
+ return 0;
+ if (tgt->lut_local_recovery)
+ return 0;
+ if (!req)
+ return 0;
+ if (!LNetIsPeerLocal(req->rq_peer.nid))
+ return 0;
+
+ return 1;
+}
+
/**
* Add new client to the last_rcvd upon new connection.
*
@@
-966,6
+985,13
@@
int tgt_client_new(const struct lu_env *env, struct obd_export *exp)
if (exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)
RETURN(0);
+ if (tgt_is_local_client(env, exp)) {
+ LCONSOLE_WARN("%s: local client %s w/o recovery\n",
+ exp->exp_obd->obd_name, ted->ted_lcd->lcd_uuid);
+ exp->exp_no_recovery = 1;
+ RETURN(0);
+ }
+
/* the bitmap operations can handle cl_idx > sizeof(long) * 8, so
* there's no need for extra complication here
*/
@@
-1093,7
+1119,8
@@
int tgt_client_del(const struct lu_env *env, struct obd_export *exp)
/* XXX if lcd_uuid were a real obd_uuid, I could use obd_uuid_equals */
if (!strcmp((char *)ted->ted_lcd->lcd_uuid,
(char *)tgt->lut_obd->obd_uuid.uuid) ||
- exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT)
+ exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT ||
+ exp->exp_no_recovery)
RETURN(0);
/* Slot may be not yet assigned, use case is race between Client
@@
-1173,6
+1200,7
@@
static int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
{
struct lsd_reply_data *lrd;
int i;
+ int rc;
lrd = &trd->trd_reply;
/* update export last transno */
@@
-1193,7
+1221,6
@@
static int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
if (update_lrd_file) {
loff_t off;
- int rc;
/* write reply data to disk */
off = sizeof(struct lsd_reply_header) + sizeof(*lrd) * i;
@@
-1201,7
+1228,7
@@
static int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
if (unlikely(rc != 0)) {
CERROR("%s: can't update %s file: rc = %d\n",
tgt_name(tgt), REPLY_DATA, rc);
-
RETURN(
rc);
+
GOTO(free_slot,
rc);
}
}
} else {
@@
-1215,8
+1242,12
@@
static int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
MSG_REPLAY : MSG_REPLAY|MSG_RESENT;
if (req->rq_obsolete) {
+ CDEBUG(D_INFO,
+ "drop reply data update for obsolete req xid=%llu,"
+ "transno=%llu, tag=%hu\n", req->rq_xid,
+ lrd->lrd_transno, trd->trd_tag);
mutex_unlock(&ted->ted_lcd_lock);
-
RETURN(-EALREADY
);
+
GOTO(free_slot, rc = -EBADR
);
}
if (!(lustre_msg_get_flags(req->rq_reqmsg) & exclude))
@@
-1235,6
+1266,11
@@
static int tgt_add_reply_data(const struct lu_env *env, struct lu_target *tgt,
trd->trd_tag, lrd->lrd_client_gen, trd->trd_index);
RETURN(0);
+
+free_slot:
+ if (tgt != NULL)
+ tgt_clear_reply_slot(tgt, trd->trd_index);
+ return rc;
}
int tgt_mk_reply_data(const struct lu_env *env,
@@
-1288,8
+1324,11
@@
int tgt_mk_reply_data(const struct lu_env *env,
rc = tgt_add_reply_data(env, tgt, ted, trd, req,
th, write_update);
- if (rc < 0)
+ if (rc < 0)
{
OBD_FREE_PTR(trd);
+ if (rc == -EBADR)
+ rc = 0;
+ }
return rc;
}
@@
-1304,11
+1343,11
@@
static int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt,
{
struct tgt_thread_info *tti = tgt_th_info(env);
struct tgt_session_info *tsi = tgt_ses_info(env);
- struct obd_export
*exp = tsi->tsi_exp;
- struct tg_export_data
*ted;
- __u64
*transno_p;
-
int rc = 0
;
-
bool lw_client
;
+ struct obd_export *exp = tsi->tsi_exp;
+ struct tg_export_data *ted;
+ __u64 *transno_p;
+
bool nolcd = false
;
+
int rc = 0
;
ENTRY;
@@
-1316,11
+1355,15
@@
static int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt,
LASSERT(exp != NULL);
ted = &exp->exp_target_data;
- lw_client = exp_connect_flags(exp) & OBD_CONNECT_LIGHTWEIGHT;
- if (ted->ted_lr_idx < 0 && !lw_client)
- /* ofd connect may cause transaction before export has
- * last_rcvd slot */
- RETURN(0);
+ /* Some clients don't support recovery, and they don't have last_rcvd
+ * client data:
+ * 1. lightweight clients.
+ * 2. local clients on MDS which doesn't enable "localrecov".
+ * 3. OFD connect may cause transaction before export has last_rcvd
+ * slot.
+ */
+ if (ted->ted_lr_idx < 0)
+ nolcd = true;
if (req != NULL)
tti->tti_transno = lustre_msg_get_transno(req->rq_reqmsg);
@@
-1361,14
+1404,13
@@
static int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt,
/* if can't add callback, do sync write */
th->th_sync |= !!tgt_last_commit_cb_add(th, tgt, exp, tti->tti_transno);
- if (lw_client) {
- /* All operations performed by LW clients are synchronous and
- * we store the committed transno in the last_rcvd header */
+ if (nolcd) {
+ /* store transno in the last_rcvd header */
spin_lock(&tgt->lut_translock);
if (tti->tti_transno > tgt->lut_lsd.lsd_last_transno) {
tgt->lut_lsd.lsd_last_transno = tti->tti_transno;
spin_unlock(&tgt->lut_translock);
- /* Although
lightweight (LW) connections have no
slot
+ /* Although
current connection doesn't have
slot
* in the last_rcvd, we still want to maintain
* the in-memory lsd_client_data structure in order to
* properly handle reply reconstruction. */
@@
-1441,7
+1483,7
@@
static int tgt_last_rcvd_update(const struct lu_env *env, struct lu_target *tgt,
}
}
- if (!
lw_client
) {
+ if (!
nolcd
) {
tti->tti_off = ted->ted_lr_off;
if (CFS_FAIL_CHECK(OBD_FAIL_TGT_RCVD_EIO))
rc = -EIO;
@@
-1740,10
+1782,9
@@
int tgt_server_data_init(const struct lu_env *env, struct lu_target *tgt)
}
if (lsd->lsd_osd_index != index) {
- LCONSOLE_ERROR_MSG(0x157, "%s: index %d in last rcvd "
- "is different with the index %d in"
- "config log, It might be disk"
- "corruption!\n", tgt_name(tgt),
+ LCONSOLE_ERROR_MSG(0x157,
+ "%s: index %d in last rcvd is different with the index %d in config log, It might be disk corruption!\n",
+ tgt_name(tgt),
lsd->lsd_osd_index, index);
RETURN(-EINVAL);
}
@@
-1959,7
+2000,6
@@
int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt)
unsigned long reply_data_size;
int rc;
struct lsd_reply_header *lrh = NULL;
- struct lsd_client_data *lcd = NULL;
struct tg_reply_data *trd = NULL;
int idx;
loff_t off;
@@
-2008,10
+2048,6
@@
int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt)
if (hash == NULL)
GOTO(out, rc = -ENODEV);
- OBD_ALLOC_PTR(lcd);
- if (lcd == NULL)
- GOTO(out, rc = -ENOMEM);
-
OBD_ALLOC_PTR(trd);
if (trd == NULL)
GOTO(out, rc = -ENOMEM);
@@
-2063,6
+2099,13
@@
int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt)
/* update export last committed transation */
exp->exp_last_committed = max(exp->exp_last_committed,
lrd->lrd_transno);
+ /* Update lcd_last_transno as well for check in
+ * tgt_release_reply_data() or the latest client
+ * transno can be lost.
+ */
+ ted->ted_lcd->lcd_last_transno =
+ max(ted->ted_lcd->lcd_last_transno,
+ exp->exp_last_committed);
mutex_unlock(&ted->ted_lcd_lock);
class_export_put(exp);
@@
-2094,8
+2137,6
@@
int tgt_reply_data_init(const struct lu_env *env, struct lu_target *tgt)
out:
if (hash != NULL)
cfs_hash_putref(hash);
- if (lcd != NULL)
- OBD_FREE_PTR(lcd);
if (trd != NULL)
OBD_FREE_PTR(trd);
if (lrh != NULL)