* GPL HEADER END
*/
/*
- * Copyright (c) 2013, 2015, Intel Corporation.
+ * Copyright (c) 2013, 2017, Intel Corporation.
*
* lustre/target/out_handler.c
*
#define DEBUG_SUBSYSTEM S_CLASS
#include <llog_swab.h>
+#include <lustre_obdo.h>
#include <lustre_swab.h>
#include <lustre_update.h>
#include <md_object.h>
#include <obd_class.h>
#include "tgt_internal.h"
+static inline void orr_cpu_to_le(struct out_read_reply *orr_dst,
+ const struct out_read_reply *orr_src)
+{
+ orr_dst->orr_size = cpu_to_le32(orr_src->orr_size);
+ orr_dst->orr_padding = cpu_to_le32(orr_src->orr_padding);
+ orr_dst->orr_offset = cpu_to_le64(orr_dst->orr_offset);
+}
+
static void out_reconstruct(const struct lu_env *env, struct dt_device *dt,
struct dt_object *obj,
struct object_update_reply *reply,
lustre_msg_set_transno(req->rq_repmsg, req->rq_transno);
lustre_msg_set_status(req->rq_repmsg, req->rq_status);
- DEBUG_REQ(D_RPCTRACE, req, "restoring transno "LPD64"status %d",
- req->rq_transno, req->rq_status);
+ DEBUG_REQ(D_RPCTRACE, req, "restoring resent RPC");
reconstruct(env, dt, obj, reply, index);
return 1;
}
- DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
+ DEBUG_REQ(D_HA, req, "no reply for RESENT req (have %lld)",
req->rq_export->exp_target_data.ted_lcd->lcd_last_xid);
return 0;
}
if (IS_ERR(wobdo) || size != sizeof(*wobdo)) {
CERROR("%s: obdo is NULL, invalid RPC: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(wobdo));
- RETURN(err_serious(PTR_ERR(wobdo)));
+ RETURN(PTR_ERR(wobdo));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
if (IS_ERR(fid) || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(fid));
- RETURN(err_serious(PTR_ERR(fid)));
+ RETURN(PTR_ERR(fid));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
lustre_swab_lu_fid(fid);
if (!fid_is_sane(fid)) {
CERROR("%s: invalid fid "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ RETURN(-EPROTO);
}
}
if (IS_ERR(wobdo) || size != sizeof(*wobdo)) {
CERROR("%s: empty obdo in the update: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(wobdo));
- RETURN(err_serious(PTR_ERR(wobdo)));
+ RETURN(PTR_ERR(wobdo));
}
attr->la_valid = 0;
obdo->o_valid = 0;
obdo_from_la(obdo, la, la->la_valid);
- lustre_set_wire_obdo(NULL, obdo, obdo);
out_unlock:
dt_read_unlock(env, obj);
if (IS_ERR(name)) {
CERROR("%s: empty name for xattr get: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
- update_result = object_update_result_get(reply, 0, NULL);
+ update_result = object_update_result_get(reply, idx, NULL);
if (update_result == NULL) {
CERROR("%s: empty name for xattr get: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ RETURN(-EPROTO);
}
lbuf->lb_len = (int)tti->tti_u.update.tti_update->ou_result_size;
- lbuf->lb_buf = update_result->our_data;
if (lbuf->lb_len == 0)
- lbuf->lb_buf = 0;
+ lbuf->lb_buf = NULL;
+ else
+ lbuf->lb_buf = update_result->our_data;
+
dt_read_lock(env, obj, MOR_TGT_CHILD);
rc = dt_xattr_get(env, obj, lbuf, name);
dt_read_unlock(env, obj);
- if (rc < 0)
+ if (rc <= 0) {
lbuf->lb_len = 0;
+ if (unlikely(!rc))
+ rc = -ENODATA;
+ } else if (lbuf->lb_buf) {
+ lbuf->lb_len = rc;
+ }
CDEBUG(D_INFO, "%s: "DFID" get xattr %s len %d\n",
tgt_name(tsi->tsi_tgt), PFID(lu_object_fid(&obj->do_lu)),
- name, (int)lbuf->lb_len);
+ name, rc);
GOTO(out, rc);
RETURN(0);
}
+static int out_xattr_list(struct tgt_session_info *tsi)
+{
+ const struct lu_env *env = tsi->tsi_env;
+ struct tgt_thread_info *tti = tgt_th_info(env);
+ struct lu_buf *lbuf = &tti->tti_buf;
+ struct object_update_reply *reply = tti->tti_u.update.tti_update_reply;
+ struct dt_object *obj = tti->tti_u.update.tti_dt_object;
+ struct object_update_result *update_result;
+ int idx = tti->tti_u.update.tti_update_reply_index;
+ int rc;
+
+ ENTRY;
+
+ if (!lu_object_exists(&obj->do_lu)) {
+ set_bit(LU_OBJECT_HEARD_BANSHEE,
+ &obj->do_lu.lo_header->loh_flags);
+ RETURN(-ENOENT);
+ }
+
+ update_result = object_update_result_get(reply, 0, NULL);
+ if (!update_result) {
+ rc = -EPROTO;
+ CERROR("%s: empty buf for xattr list: rc = %d\n",
+ tgt_name(tsi->tsi_tgt), rc);
+ RETURN(rc);
+ }
+
+ lbuf->lb_len = (int)tti->tti_u.update.tti_update->ou_result_size;
+ lbuf->lb_buf = update_result->our_data;
+ if (lbuf->lb_len == 0)
+ lbuf->lb_buf = 0;
+
+ dt_read_lock(env, obj, MOR_TGT_CHILD);
+ rc = dt_xattr_list(env, obj, lbuf);
+ dt_read_unlock(env, obj);
+ if (rc <= 0) {
+ lbuf->lb_len = 0;
+ if (unlikely(!rc))
+ rc = -ENODATA;
+ } else if (lbuf->lb_buf) {
+ lbuf->lb_len = rc;
+ }
+
+ CDEBUG(D_INFO, "%s: "DFID" list xattr len %d\n",
+ tgt_name(tsi->tsi_tgt), PFID(lu_object_fid(&obj->do_lu)), rc);
+
+ /* Since we directly use update_result->our_data as the lbuf->lb_buf,
+ * then use NULL for result_insert to avoid unnecessary memory copy. */
+ object_update_result_insert(reply, NULL, lbuf->lb_len, idx, rc);
+
+ RETURN(0);
+}
+
static int out_index_lookup(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
if (IS_ERR(name)) {
CERROR("%s: empty name for lookup: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
dt_read_lock(env, obj, MOR_TGT_CHILD);
if (IS_ERR(name)) {
CERROR("%s: empty name for xattr set: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
/* If buffer == NULL (-ENODATA), then it might mean delete xattr */
buf = object_update_param_get(update, 1, &buf_len);
if (IS_ERR(buf) && PTR_ERR(buf) != -ENODATA)
- RETURN(err_serious(PTR_ERR(buf)));
+ RETURN(PTR_ERR(buf));
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
if (IS_ERR(tmp) || size != sizeof(*tmp)) {
CERROR("%s: emptry or wrong size %zu flag: rc = %ld\n",
tgt_name(tsi->tsi_tgt), size, PTR_ERR(tmp));
- RETURN(err_serious(PTR_ERR(tmp)));
+ RETURN(PTR_ERR(tmp));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
if (IS_ERR(name)) {
CERROR("%s: empty name for xattr set: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
rc = out_tx_xattr_del(tsi->tsi_env, obj, name, &tti->tti_tea,
if (IS_ERR(name)) {
CERROR("%s: empty name for index insert: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
fid = object_update_param_get(update, 1, &size);
if (IS_ERR(fid) || size != sizeof(*fid)) {
CERROR("%s: invalid fid: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(fid));
- RETURN(err_serious(PTR_ERR(fid)));
+ RETURN(PTR_ERR(fid));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ RETURN(-EPROTO);
}
ptype = object_update_param_get(update, 2, &size);
if (IS_ERR(ptype) || size != sizeof(*ptype)) {
CERROR("%s: invalid type for index insert: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(ptype));
- RETURN(err_serious(PTR_ERR(ptype)));
+ RETURN(PTR_ERR(ptype));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
if (IS_ERR(name)) {
CERROR("%s: empty name for index delete: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(name));
- RETURN(err_serious(PTR_ERR(name)));
+ RETURN(PTR_ERR(name));
}
rc = out_tx_index_delete(tsi->tsi_env, obj, (const struct dt_key *)name,
if (!fid_is_sane(fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(fid), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ RETURN(-EPROTO);
}
if (!lu_object_exists(&obj->do_lu))
if (IS_ERR(buf) || buf_len == 0) {
CERROR("%s: empty buf for xattr set: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(buf));
- RETURN(err_serious(PTR_ERR(buf)));
+ RETURN(PTR_ERR(buf));
}
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
if (IS_ERR(tmp) || size != sizeof(*tmp)) {
CERROR("%s: empty or wrong size %zu pos: rc = %ld\n",
tgt_name(tsi->tsi_tgt), size, PTR_ERR(tmp));
- RETURN(err_serious(PTR_ERR(tmp)));
+ RETURN(PTR_ERR(tmp));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
if (IS_ERR(tmp)) {
CERROR("%s: empty size for read: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(tmp));
- GOTO(out, rc = err_serious(PTR_ERR(tmp)));
+ GOTO(out, rc = PTR_ERR(tmp));
}
size = le64_to_cpu(*(size_t *)(tmp));
if (IS_ERR(tmp)) {
CERROR("%s: empty pos for read: rc = %ld\n",
tgt_name(tsi->tsi_tgt), PTR_ERR(tmp));
- GOTO(out, rc = err_serious(PTR_ERR(tmp)));
+ GOTO(out, rc = PTR_ERR(tmp));
}
pos = le64_to_cpu(*(__u64 *)(tmp));
DEF_OUT_HNDL(OUT_WRITE, "out_write", MUTABOR | HABEO_REFERO, out_write),
DEF_OUT_HNDL(OUT_READ, "out_read", HABEO_REFERO, out_read),
DEF_OUT_HNDL(OUT_NOOP, "out_noop", HABEO_REFERO, out_noop),
+ DEF_OUT_HNDL(OUT_XATTR_LIST, "out_xattr_list", HABEO_REFERO,
+ out_xattr_list),
};
static struct tgt_handler *out_handler_find(__u32 opc)
rc = dt_trans_stop(env, ta->ta_handle->th_dev, ta->ta_handle);
for (i = 0; i < ta->ta_argno; i++) {
if (ta->ta_args[i]->object != NULL) {
- struct dt_object *obj = ta->ta_args[i]->object;
-
- /* If the object is being created during this
- * transaction, we need to remove them from the
- * cache immediately, because a few layers are
- * missing in OUT handler, i.e. the object might
- * not be initialized in all layers */
- if (ta->ta_args[i]->exec_fn == out_tx_create_exec)
- set_bit(LU_OBJECT_HEARD_BANSHEE,
- &obj->do_lu.lo_header->loh_flags);
- lu_object_put(env, &ta->ta_args[i]->object->do_lu);
+ dt_object_put(env, ta->ta_args[i]->object);
ta->ta_args[i]->object = NULL;
}
}
OBD_ALLOC(update_bufs, sizeof(*update_bufs) * update_buf_count);
if (update_bufs == NULL)
- RETURN(-ENOMEM);
+ RETURN(err_serious(-ENOMEM));
if (ouh->ouh_inline_length > 0) {
update_bufs[0] = ouh->ouh_inline_data;
MDS_BULK_PORTAL,
&ptlrpc_bulk_kvec_ops);
if (desc == NULL)
- GOTO(out_free, rc = -ENOMEM);
+ GOTO(out_free, rc = err_serious(-ENOMEM));
tmp = oub;
for (i = 0; i < update_buf_count; i++, tmp++) {
if (tmp->oub_size >= OUT_MAXREQSIZE)
GOTO(out_free, rc = err_serious(-EPROTO));
- OBD_ALLOC(update_bufs[i], tmp->oub_size);
+ OBD_ALLOC_LARGE(update_bufs[i], tmp->oub_size);
if (update_bufs[i] == NULL)
- GOTO(out_free, rc = -ENOMEM);
+ GOTO(out_free, rc = err_serious(-ENOMEM));
desc->bd_frag_ops->add_iov_frag(desc, update_bufs[i],
tmp->oub_size);
pill->rc_req->rq_bulk_write = 1;
rc = sptlrpc_svc_prep_bulk(pill->rc_req, desc);
if (rc != 0)
- GOTO(out_free, err_serious(rc));
+ GOTO(out_free, rc = err_serious(rc));
rc = target_bulk_io(pill->rc_req->rq_export, desc, &lwi);
if (rc < 0)
- GOTO(out_free, err_serious(rc));
+ GOTO(out_free, rc = err_serious(rc));
}
/* validate the request and calculate the total update count and
* set it to reply */
" expect %x: rc = %d\n",
tgt_name(tsi->tsi_tgt), our->ourq_magic,
UPDATE_REQUEST_MAGIC, -EPROTO);
- GOTO(out_free, rc = -EPROTO);
+ GOTO(out_free, rc = err_serious(-EPROTO));
}
updates += our->ourq_count;
for (j = 0; j < our->ourq_count; j++) {
update = object_update_request_get(our, j, NULL);
if (update == NULL)
- GOTO(out, rc = -EPROTO);
+ GOTO(out, rc = err_serious(-EPROTO));
if (ptlrpc_req_need_swab(pill->rc_req))
lustre_swab_object_update(update);
CERROR("%s: too small reply buf %u for %u, need %u at least\n",
tgt_name(tsi->tsi_tgt), ouh->ouh_reply_size,
updates, reply_size);
- GOTO(out_free, rc = -EPROTO);
+ GOTO(out_free, rc = err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
if (rc != 0) {
CERROR("%s: Can't pack response: rc = %d\n",
tgt_name(tsi->tsi_tgt), rc);
- GOTO(out_free, rc = -EPROTO);
+ GOTO(out_free, rc = err_serious(-EPROTO));
}
/* Prepare the update reply buffer */
reply = req_capsule_server_get(pill, &RMF_OUT_UPDATE_REPLY);
if (reply == NULL)
- GOTO(out_free, rc = err_serious(-EPROTO));
+ GOTO(out_free, rc = -EPROTO);
reply->ourp_magic = UPDATE_REPLY_MAGIC;
reply->ourp_count = updates;
tti->tti_u.update.tti_update_reply = reply;
tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
-
+
/* Walk through updates in the request to execute them */
for (i = 0; i < update_buf_count; i++) {
struct tgt_handler *h;
our = update_bufs[i];
update_count = our->ourq_count;
for (j = 0; j < update_count; j++) {
+ struct lu_object_conf conf;
+
update = object_update_request_get(our, j, NULL);
+ if (update->ou_type == OUT_CREATE)
+ conf.loc_flags = LOC_F_NEW;
+ else
+ conf.loc_flags = 0;
- dt_obj = dt_locate(env, dt, &update->ou_fid);
+ dt_obj = dt_locate_at(env, dt, &update->ou_fid,
+ dt->dd_lu_dev.ld_site->ls_top_dev, &conf);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
if (dt->dd_record_fid_accessed) {
- lfsck_pack_rfa(&tti->tti_lr,
+ struct lfsck_req_local *lrl = &tti->tti_lrl;
+
+ lfsck_pack_rfa(lrl,
lu_object_fid(&dt_obj->do_lu),
- LE_FID_ACCESSED,
+ LEL_FID_ACCESSED,
LFSCK_TYPE_LAYOUT);
- tgt_lfsck_in_notify(env, dt, &tti->tti_lr,
- NULL);
+ tgt_lfsck_in_notify_local(env, dt, lrl, NULL);
}
tti->tti_u.update.tti_dt_object = dt_obj;
out_reconstruct, reply,
reply_index))
GOTO(next, rc = 0);
+
+ if (dt->dd_rdonly)
+ GOTO(next, rc = -EROFS);
}
/* start transaction for modification RPC only */
rc = h->th_act(tsi);
next:
reply_index++;
- lu_object_put(env, &dt_obj->do_lu);
+ dt_object_put(env, dt_obj);
if (rc < 0)
GOTO(out, rc);
}
if (oub != NULL) {
for (i = 0; i < update_buf_count; i++, oub++) {
if (update_bufs[i] != NULL)
- OBD_FREE(update_bufs[i], oub->oub_size);
+ OBD_FREE_LARGE(update_bufs[i],
+ oub->oub_size);
}
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff