#define DEBUG_SUBSYSTEM S_CLASS
-#include <obd_class.h>
+#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"
-#include <lustre_update.h>
static void out_reconstruct(const struct lu_env *env, struct dt_device *dt,
struct dt_object *obj,
ENTRY;
wobdo = object_update_param_get(update, 0, &size);
- if (wobdo == NULL || IS_ERR(wobdo) || size != sizeof(*wobdo)) {
- CERROR("%s: obdo is NULL, invalid RPC: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ 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(PTR_ERR(wobdo));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
dof->dof_type = dt_mode_to_dft(attr->la_mode);
if (update->ou_params_count > 1) {
fid = object_update_param_get(update, 1, &size);
- if (fid == NULL || IS_ERR(fid) || size != sizeof(*fid)) {
- CERROR("%s: invalid fid: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(fid) || size != sizeof(*fid)) {
+ CERROR("%s: invalid fid: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), 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);
}
}
ENTRY;
wobdo = object_update_param_get(update, 0, &size);
- if (wobdo == NULL || IS_ERR(wobdo) || size != sizeof(*wobdo)) {
- CERROR("%s: empty obdo in the update: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-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(PTR_ERR(wobdo));
}
attr->la_valid = 0;
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
+ struct object_update *update = tti->tti_u.update.tti_update;
struct obdo *obdo = &tti->tti_u.update.tti_obdo;
struct lu_attr *la = &tti->tti_attr;
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
ENTRY;
+ if (unlikely(update->ou_result_size < sizeof(*obdo)))
+ return -EPROTO;
+
if (!lu_object_exists(&obj->do_lu)) {
/* Usually, this will be called when the master MDT try
* to init a remote object(see osp_object_init), so if
}
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for xattr get: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for xattr get: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(name));
+ RETURN(PTR_ERR(name));
}
update_result = object_update_result_get(reply, 0, 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;
- lbuf->lb_len = OUT_UPDATE_REPLY_SIZE -
- cfs_size_round((unsigned long)update_result->our_data -
- (unsigned long)update_result);
+ if (lbuf->lb_len == 0)
+ lbuf->lb_buf = 0;
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;
- GOTO(out, rc);
- }
- lbuf->lb_len = rc;
- rc = 0;
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);
out:
object_update_result_insert(reply, lbuf->lb_buf, lbuf->lb_len, idx, rc);
- RETURN(rc);
+ RETURN(0);
}
static int out_index_lookup(struct tgt_session_info *tsi)
ENTRY;
+ if (unlikely(update->ou_result_size < sizeof(tti->tti_fid1)))
+ return -EPROTO;
+
if (!lu_object_exists(&obj->do_lu))
RETURN(-ENOENT);
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for lookup: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for lookup: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(name));
+ RETURN(PTR_ERR(name));
}
dt_read_lock(env, obj, MOR_TGT_CHILD);
ENTRY;
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for xattr set: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for xattr set: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), 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))
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(buf) && PTR_ERR(buf) != -ENODATA)
+ RETURN(PTR_ERR(buf));
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
tmp = object_update_param_get(update, 2, &size);
- if (tmp == NULL || IS_ERR(tmp) || size != sizeof(*tmp)) {
- CERROR("%s: emptry or wrong size %zu flag: rc = %d\n",
- tgt_name(tsi->tsi_tgt), size, -EPROTO);
- RETURN(err_serious(-EPROTO));
+ 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(PTR_ERR(tmp));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
ENTRY;
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for xattr set: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for xattr set: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(name));
+ RETURN(PTR_ERR(name));
}
rc = out_tx_xattr_del(tsi->tsi_env, obj, name, &tti->tti_tea,
ENTRY;
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for index insert: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for index insert: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(name));
+ RETURN(PTR_ERR(name));
}
fid = object_update_param_get(update, 1, &size);
- if (fid == NULL || IS_ERR(fid) || size != sizeof(*fid)) {
- CERROR("%s: invalid fid: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(fid) || size != sizeof(*fid)) {
+ CERROR("%s: invalid fid: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), 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 (ptype == NULL || IS_ERR(ptype) || size != sizeof(*ptype)) {
- CERROR("%s: invalid type for index insert: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ 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(PTR_ERR(ptype));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
RETURN(-ENOENT);
name = object_update_param_get(update, 0, NULL);
- if (name == NULL || IS_ERR(name)) {
- CERROR("%s: empty name for index delete: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ if (IS_ERR(name)) {
+ CERROR("%s: empty name for index delete: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), 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))
ENTRY;
buf = object_update_param_get(update, 0, &buf_len);
- if (buf == NULL || IS_ERR(buf) || buf_len == 0) {
- CERROR("%s: empty buf for xattr set: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- RETURN(err_serious(-EPROTO));
+ 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(PTR_ERR(buf));
}
lbuf->lb_buf = buf;
lbuf->lb_len = buf_len;
tmp = object_update_param_get(update, 1, &size);
- if (tmp == NULL || IS_ERR(tmp) || size != sizeof(*tmp)) {
- CERROR("%s: empty or wrong size %zu pos: rc = %d\n",
- tgt_name(tsi->tsi_tgt), size, -EPROTO);
- RETURN(err_serious(-EPROTO));
+ 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(PTR_ERR(tmp));
}
if (ptlrpc_req_need_swab(tsi->tsi_pill->rc_req))
struct dt_object *obj = tti->tti_u.update.tti_dt_object;
struct object_update_reply *reply = tti->tti_u.update.tti_update_reply;
int index = tti->tti_u.update.tti_update_reply_index;
- struct lu_rdbuf *rdbuf = &tti->tti_u.rdbuf.tti_rdbuf;
+ struct lu_rdbuf *rdbuf;
struct object_update_result *update_result;
struct out_read_reply *orr;
void *tmp;
GOTO(out, rc = -ENOENT);
tmp = object_update_param_get(update, 0, NULL);
- if (tmp == NULL || IS_ERR(tmp)) {
- CERROR("%s: empty size for read: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- GOTO(out, rc = err_serious(-EPROTO));
+ if (IS_ERR(tmp)) {
+ CERROR("%s: empty size for read: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(tmp));
+ GOTO(out, rc = PTR_ERR(tmp));
}
size = le64_to_cpu(*(size_t *)(tmp));
tmp = object_update_param_get(update, 1, NULL);
- if (tmp == NULL || IS_ERR(tmp)) {
- CERROR("%s: empty pos for read: rc = %d\n",
- tgt_name(tsi->tsi_tgt), -EPROTO);
- GOTO(out, rc = err_serious(-EPROTO));
+ if (IS_ERR(tmp)) {
+ CERROR("%s: empty pos for read: rc = %ld\n",
+ tgt_name(tsi->tsi_tgt), PTR_ERR(tmp));
+ GOTO(out, rc = PTR_ERR(tmp));
}
pos = le64_to_cpu(*(__u64 *)(tmp));
orr = (struct out_read_reply *)update_result->our_data;
nbufs = (size + OUT_BULK_BUFFER_SIZE - 1) / OUT_BULK_BUFFER_SIZE;
- OBD_ALLOC(rdbuf->rb_bufs, nbufs * sizeof(rdbuf->rb_bufs[0]));
- if (rdbuf->rb_bufs == NULL)
+ OBD_ALLOC(rdbuf, sizeof(struct lu_rdbuf) +
+ nbufs * sizeof(rdbuf->rb_bufs[0]));
+ if (rdbuf == NULL)
GOTO(out, rc = -ENOMEM);
rdbuf->rb_nbufs = 0;
for (i = 0; i < nbufs; i++) {
__u32 read_size;
- OBD_ALLOC_PTR(rdbuf->rb_bufs[i]);
- if (rdbuf->rb_bufs[i] == NULL)
- GOTO(out_free, rc = -ENOMEM);
-
read_size = size > OUT_BULK_BUFFER_SIZE ?
OUT_BULK_BUFFER_SIZE : size;
- OBD_ALLOC(rdbuf->rb_bufs[i]->lb_buf, read_size);
- if (rdbuf->rb_bufs[i] == NULL)
+ OBD_ALLOC(rdbuf->rb_bufs[i].lb_buf, read_size);
+ if (rdbuf->rb_bufs[i].lb_buf == NULL)
GOTO(out_free, rc = -ENOMEM);
- rdbuf->rb_bufs[i]->lb_len = read_size;
+ rdbuf->rb_bufs[i].lb_len = read_size;
dt_read_lock(env, obj, MOR_TGT_CHILD);
- rc = dt_read(env, obj, rdbuf->rb_bufs[i], &pos);
+ rc = dt_read(env, obj, &rdbuf->rb_bufs[i], &pos);
dt_read_unlock(env, obj);
total_size += rc < 0 ? 0 : rc;
size -= read_size;
}
- rdbuf->rb_bytes = total_size;
/* send pages to client */
rc = tgt_send_buffer(tsi, rdbuf);
if (rc < 0)
update_result->our_datalen += orr->orr_size;
out_free:
for (i = 0; i < nbufs; i++) {
- if (rdbuf->rb_bufs[i] != NULL) {
- OBD_FREE(rdbuf->rb_bufs[i]->lb_buf,
- rdbuf->rb_bufs[i]->lb_len);
- OBD_FREE_PTR(rdbuf->rb_bufs[i]);
+ if (rdbuf->rb_bufs[i].lb_buf != NULL) {
+ OBD_FREE(rdbuf->rb_bufs[i].lb_buf,
+ rdbuf->rb_bufs[i].lb_len);
}
}
- OBD_FREE(rdbuf->rb_bufs, nbufs * sizeof(rdbuf->rb_bufs[0]));
+ OBD_FREE(rdbuf, sizeof(struct lu_rdbuf) +
+ nbufs * sizeof(rdbuf->rb_bufs[0]));
out:
/* Insert read buffer */
update_result->our_rc = ptlrpc_status_hton(rc);
unsigned int reply_index = 0;
int rc = 0;
int rc1 = 0;
- int ouh_size;
+ int ouh_size, reply_size;
+ int updates;
ENTRY;
req_capsule_set(pill, &RQF_OUT_UPDATE);
if (update_buf_count == 0)
RETURN(err_serious(-EPROTO));
- req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
- OUT_UPDATE_REPLY_SIZE);
- rc = req_capsule_server_pack(pill);
- if (rc != 0) {
- CERROR("%s: Can't pack response: rc = %d\n",
- tgt_name(tsi->tsi_tgt), rc);
- RETURN(rc);
- }
-
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;
oub = req_capsule_client_get(pill, &RMF_OUT_UPDATE_BUF);
if (oub == NULL)
- GOTO(out_free, rc = -EPROTO);
+ GOTO(out_free, rc = err_serious(-EPROTO));
desc = ptlrpc_prep_bulk_exp(pill->rc_req, update_buf_count,
PTLRPC_BULK_OPS_COUNT,
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 = -EPROTO);
+ GOTO(out_free, rc = err_serious(-EPROTO));
OBD_ALLOC(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, 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, rc);
+ GOTO(out_free, rc = err_serious(rc));
}
- /* 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));
- reply->ourp_magic = UPDATE_REPLY_MAGIC;
- tti->tti_u.update.tti_update_reply = reply;
- tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
-
/* validate the request and calculate the total update count and
* set it to reply */
+ reply_size = 0;
+ updates = 0;
for (i = 0; i < update_buf_count; i++) {
- struct object_update_request *our;
- int update_count;
+ struct object_update_request *our;
+ int j;
our = update_bufs[i];
if (ptlrpc_req_need_swab(pill->rc_req))
" 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;
+
+ /* need to calculate reply size */
+ for (j = 0; j < our->ourq_count; j++) {
+ update = object_update_request_get(our, j, NULL);
+ if (update == NULL)
+ GOTO(out, rc = err_serious(-EPROTO));
+ if (ptlrpc_req_need_swab(pill->rc_req))
+ lustre_swab_object_update(update);
+
+ if (!fid_is_sane(&update->ou_fid)) {
+ CERROR("%s: invalid FID "DFID": rc = %d\n",
+ tgt_name(tsi->tsi_tgt),
+ PFID(&update->ou_fid), -EPROTO);
+ GOTO(out, rc = err_serious(-EPROTO));
+ }
+
+ /* XXX: what ou_result_size can be considered safe? */
+
+ reply_size += sizeof(reply->ourp_lens[0]);
+ reply_size += sizeof(struct object_update_result);
+ reply_size += update->ou_result_size;
}
- update_count = our->ourq_count;
- reply->ourp_count += update_count;
}
+ reply_size += sizeof(*reply);
+
+ if (unlikely(reply_size > ouh->ouh_reply_size)) {
+ 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 = err_serious(-EPROTO));
+ }
+
+ req_capsule_set_size(pill, &RMF_OUT_UPDATE_REPLY, RCL_SERVER,
+ ouh->ouh_reply_size);
+ rc = req_capsule_server_pack(pill);
+ if (rc != 0) {
+ CERROR("%s: Can't pack response: rc = %d\n",
+ tgt_name(tsi->tsi_tgt), rc);
+ 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 = -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++) {
update_count = our->ourq_count;
for (j = 0; j < update_count; j++) {
update = object_update_request_get(our, j, NULL);
- if (update == NULL)
- GOTO(out, rc = -EPROTO);
-
- if (ptlrpc_req_need_swab(pill->rc_req))
- lustre_swab_object_update(update);
-
- if (!fid_is_sane(&update->ou_fid)) {
- CERROR("%s: invalid FID "DFID": rc = %d\n",
- tgt_name(tsi->tsi_tgt),
- PFID(&update->ou_fid), -EPROTO);
- GOTO(out, rc = err_serious(-EPROTO));
- }
dt_obj = dt_locate(env, dt, &update->ou_fid);
if (IS_ERR(dt_obj))