static inline size_t libcfs_ioctl_packlen(struct libcfs_ioctl_data *data)
{
size_t len = sizeof(*data);
len += cfs_size_round(data->ioc_inllen1);
len += cfs_size_round(data->ioc_inllen2);
return len;
}
static int llog_print_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index;
ENTRY;
if (ioc_data->ioc_inllen1) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
out = ioc_data->ioc_bulk;
ioc_data->ioc_inllen1 = 0;
}
cur_index = rec->lrh_index;
if (cur_index < from)
RETURN(0);
if (to > 0 && cur_index > to)
RETURN(-LLOG_EEMPTY);
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
CERROR("invalid record in catalog\n");
RETURN(-EINVAL);
}
l = snprintf(out, remains,
"[index]: %05d [logid]: #"LPX64"#"LPX64"#%08x\n",
cur_index, lir->lid_id.lgl_oid,
lir->lid_id.lgl_oseq, lir->lid_id.lgl_ogen);
} else {
l = snprintf(out, remains,
"[index]: %05d [type]: %02x [len]: %04d\n",
cur_index, rec->lrh_type,
rec->lrh_len);
}
out += l;
remains -= l;
if (remains <= 0) {
CERROR("not enough space for print log records\n");
RETURN(-LLOG_EEMPTY);
}
RETURN(0);
}
int llog_write_rec(const struct lu_env *env, struct llog_handle *handle,
struct llog_rec_hdr *rec, struct llog_cookie *logcookies,
int numcookies, void *buf, int idx, struct thandle *th)
{
struct llog_operations *lop;
int raised, rc, buflen;
rc = llog_handle2ops(handle, &lop);
if (rc)
return rc;
LASSERT(lop);
if (lop->lop_write_rec == NULL)
return -EOPNOTSUPP;
if (buf)
buflen = rec->lrh_len + sizeof(struct llog_rec_hdr) +
sizeof(struct llog_rec_tail);
else
buflen = rec->lrh_len;
LASSERT(cfs_size_round(buflen) == buflen);
raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE);
if (!raised)
cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
rc = lop->lop_write_rec(env, handle, rec, logcookies, numcookies,
buf, idx, th);
if (!raised)
cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
return rc;
}
int llog_write_rec(const struct lu_env *env, struct llog_handle *handle,
struct llog_rec_hdr *rec, struct llog_cookie *logcookies,
int idx, struct thandle *th)
{
struct llog_operations *lop;
int raised, rc, buflen;
ENTRY;
rc = llog_handle2ops(handle, &lop);
if (rc)
RETURN(rc);
LASSERT(lop);
if (lop->lop_write_rec == NULL)
RETURN(-EOPNOTSUPP);
buflen = rec->lrh_len;
LASSERT(cfs_size_round(buflen) == buflen);
raised = cfs_cap_raised(CFS_CAP_SYS_RESOURCE);
if (!raised)
cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
rc = lop->lop_write_rec(env, handle, rec, logcookies, idx, th);
if (!raised)
cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
RETURN(rc);
}
struct lu_object *vvp_object_alloc(const struct lu_env *env,
const struct lu_object_header *unused,
struct lu_device *dev)
{
struct vvp_object *vob;
struct lu_object *obj;
OBD_SLAB_ALLOC_PTR_GFP(vob, vvp_object_kmem, GFP_NOFS);
if (vob != NULL) {
struct cl_object_header *hdr;
obj = &vob->vob_cl.co_lu;
hdr = &vob->vob_header;
cl_object_header_init(hdr);
hdr->coh_page_bufsize = cfs_size_round(sizeof(struct cl_page));
lu_object_init(obj, &hdr->coh_lu, dev);
lu_object_add_top(&hdr->coh_lu, obj);
vob->vob_cl.co_ops = &vvp_ops;
obj->lo_ops = &vvp_lu_obj_ops;
} else
obj = NULL;
return obj;
}
/* temporary for testing */
static int mdc_wr_kuc(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct obd_device *obd = data;
struct kuc_hdr *lh;
struct hsm_action_list *hal;
struct hsm_action_item *hai;
int len;
int fd, rc;
ENTRY;
rc = lprocfs_write_helper(buffer, count, &fd);
if (rc)
RETURN(rc);
if (fd < 0)
RETURN(-ERANGE);
CWARN("message to fd %d\n", fd);
len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
/* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
OBD_ALLOC(lh, len);
lh->kuc_magic = KUC_MAGIC;
lh->kuc_transport = KUC_TRANSPORT_HSM;
lh->kuc_msgtype = HMT_ACTION_LIST;
lh->kuc_msglen = len;
hal = (struct hsm_action_list *)(lh + 1);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = 1;
hal->hal_flags = 0;
obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
/* mock up an action list */
hal->hal_count = 2;
hai = hai_zero(hal);
hai->hai_action = HSMA_ARCHIVE;
hai->hai_fid.f_oid = 5;
hai->hai_len = sizeof(*hai);
hai = hai_next(hai);
hai->hai_action = HSMA_RESTORE;
hai->hai_fid.f_oid = 10;
hai->hai_len = sizeof(*hai);
/* This works for either broadcast or unicast to a single fd */
if (fd == 0) {
rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
} else {
cfs_file_t *fp = cfs_get_fd(fd);
rc = libcfs_kkuc_msg_put(fp, lh);
cfs_put_file(fp);
}
OBD_FREE(lh, len);
if (rc < 0)
RETURN(rc);
RETURN(count);
}
static inline bool libcfs_ioctl_is_invalid(struct libcfs_ioctl_data *data)
{
if (data->ioc_hdr.ioc_len > BIT(30)) {
CERROR("LIBCFS ioctl: ioc_len larger than 1<<30\n");
return true;
}
if (data->ioc_inllen1 > BIT(30)) {
CERROR("LIBCFS ioctl: ioc_inllen1 larger than 1<<30\n");
return true;
}
if (data->ioc_inllen2 > BIT(30)) {
CERROR("LIBCFS ioctl: ioc_inllen2 larger than 1<<30\n");
return true;
}
if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
CERROR("LIBCFS ioctl: inlbuf1 pointer but 0 length\n");
return true;
}
if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
CERROR("LIBCFS ioctl: inlbuf2 pointer but 0 length\n");
return true;
}
if (data->ioc_pbuf1 && !data->ioc_plen1) {
CERROR("LIBCFS ioctl: pbuf1 pointer but 0 length\n");
return true;
}
if (data->ioc_pbuf2 && !data->ioc_plen2) {
CERROR("LIBCFS ioctl: pbuf2 pointer but 0 length\n");
return true;
}
if (data->ioc_plen1 && !data->ioc_pbuf1) {
CERROR("LIBCFS ioctl: plen1 nonzero but no pbuf1 pointer\n");
return true;
}
if (data->ioc_plen2 && !data->ioc_pbuf2) {
CERROR("LIBCFS ioctl: plen2 nonzero but no pbuf2 pointer\n");
return true;
}
if ((__u32)libcfs_ioctl_packlen(data) != data->ioc_hdr.ioc_len) {
CERROR("LIBCFS ioctl: packlen != ioc_len\n");
return true;
}
if (data->ioc_inllen1 &&
data->ioc_bulk[data->ioc_inllen1 - 1] != '\0') {
CERROR("LIBCFS ioctl: inlbuf1 not 0 terminated\n");
return true;
}
if (data->ioc_inllen2 &&
data->ioc_bulk[cfs_size_round(data->ioc_inllen1) +
data->ioc_inllen2 - 1] != '\0') {
CERROR("LIBCFS ioctl: inlbuf2 not 0 terminated\n");
return true;
}
return false;
}
static int lov_page_slice_fixup(struct lov_object *lov,
struct cl_object *stripe)
{
struct cl_object_header *hdr = cl_object_header(&lov->lo_cl);
struct cl_object *o;
if (stripe == NULL)
return hdr->coh_page_bufsize - lov->lo_cl.co_slice_off -
cfs_size_round(sizeof(struct lov_page));
cl_object_for_each(o, stripe)
o->co_slice_off += hdr->coh_page_bufsize;
return cl_object_header(stripe)->coh_page_bufsize;
}
int libcfs_ioctl_getdata(char *buf, char *end, void *arg)
{
struct libcfs_ioctl_hdr *hdr;
struct libcfs_ioctl_data *data;
int err;
ENTRY;
hdr = (struct libcfs_ioctl_hdr *)buf;
data = (struct libcfs_ioctl_data *)buf;
err = copy_from_user(buf, (void *)arg, sizeof(*hdr));
if (err)
RETURN(err);
if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
CERROR("PORTALS: version mismatch kernel vs application\n");
RETURN(-EINVAL);
}
if (hdr->ioc_len + buf >= end) {
CERROR("PORTALS: user buffer exceeds kernel buffer\n");
RETURN(-EINVAL);
}
if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
CERROR("PORTALS: user buffer too small for ioctl\n");
RETURN(-EINVAL);
}
err = copy_from_user(buf, (void *)arg, hdr->ioc_len);
if (err)
RETURN(err);
if (libcfs_ioctl_is_invalid(data)) {
CERROR("PORTALS: ioctl not correctly formatted\n");
RETURN(-EINVAL);
}
if (data->ioc_inllen1)
data->ioc_inlbuf1 = &data->ioc_bulk[0];
if (data->ioc_inllen2)
data->ioc_inlbuf2 = &data->ioc_bulk[0] +
cfs_size_round(data->ioc_inllen1);
RETURN(0);
}
int libcfs_ioctl_getdata(char *buf, char *end, void *arg)
{
struct libcfs_ioctl_hdr *hdr;
struct libcfs_ioctl_data *data;
int orig_len;
hdr = (struct libcfs_ioctl_hdr *)buf;
data = (struct libcfs_ioctl_data *)buf;
if (copy_from_user(buf, (void *)arg, sizeof(*hdr)))
return -EFAULT;
if (hdr->ioc_version != LIBCFS_IOCTL_VERSION) {
CERROR("PORTALS: version mismatch kernel vs application\n");
return -EINVAL;
}
if (hdr->ioc_len + buf >= end) {
CERROR("PORTALS: user buffer exceeds kernel buffer\n");
return -EINVAL;
}
if (hdr->ioc_len < sizeof(struct libcfs_ioctl_data)) {
CERROR("PORTALS: user buffer too small for ioctl\n");
return -EINVAL;
}
orig_len = hdr->ioc_len;
if (copy_from_user(buf, (void *)arg, hdr->ioc_len))
return -EFAULT;
if (orig_len != data->ioc_len)
return -EINVAL;
if (libcfs_ioctl_is_invalid(data)) {
CERROR("PORTALS: ioctl not correctly formatted\n");
return -EINVAL;
}
if (data->ioc_inllen1)
data->ioc_inlbuf1 = &data->ioc_bulk[0];
if (data->ioc_inllen2)
data->ioc_inlbuf2 = &data->ioc_bulk[0] +
cfs_size_round(data->ioc_inllen1);
return 0;
}
int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data)
{
if (libcfs_ioctl_is_invalid(data)) {
CERROR("libcfs ioctl: parameter not correctly formatted\n");
return -EINVAL;
}
if (data->ioc_inllen1)
data->ioc_inlbuf1 = &data->ioc_bulk[0];
if (data->ioc_inllen2)
data->ioc_inlbuf2 = &data->ioc_bulk[0] +
cfs_size_round(data->ioc_inllen1);
return 0;
}
int libcfs_ioctl_data_adjust(struct libcfs_ioctl_data *data)
{
ENTRY;
if (libcfs_ioctl_is_invalid(data)) {
CERROR("libcfs ioctl: parameter not correctly formatted\n");
RETURN(-EINVAL);
}
if (data->ioc_inllen1 != 0)
data->ioc_inlbuf1 = &data->ioc_bulk[0];
if (data->ioc_inllen2 != 0)
data->ioc_inlbuf2 = &data->ioc_bulk[0] +
cfs_size_round(data->ioc_inllen1);
RETURN(0);
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates at sender side, so OUT will
* call OSD API directly to execute these updates.
*
* In DNE phase I all of the updates in the request need to be executed
* in one transaction, and the transaction has to be synchronously.
*
* Please refer to lustre/include/lustre/lustre_idl.h for req/reply
* format.
*/
int out_handle(struct tgt_session_info *tsi)
{
const struct lu_env *env = tsi->tsi_env;
struct tgt_thread_info *tti = tgt_th_info(env);
struct thandle_exec_args *ta = &tti->tti_tea;
struct req_capsule *pill = tsi->tsi_pill;
struct dt_device *dt = tsi->tsi_tgt->lut_bottom;
struct update_buf *ubuf;
struct update *update;
struct update_reply *update_reply;
int bufsize;
int count;
int old_batchid = -1;
unsigned off;
int i;
int rc = 0;
int rc1 = 0;
ENTRY;
req_capsule_set(pill, &RQF_UPDATE_OBJ);
bufsize = req_capsule_get_size(pill, &RMF_UPDATE, RCL_CLIENT);
if (bufsize != UPDATE_BUFFER_SIZE) {
CERROR("%s: invalid bufsize %d: rc = %d\n",
tgt_name(tsi->tsi_tgt), bufsize, -EPROTO);
RETURN(err_serious(-EPROTO));
}
ubuf = req_capsule_client_get(pill, &RMF_UPDATE);
if (ubuf == NULL) {
CERROR("%s: No buf!: rc = %d\n", tgt_name(tsi->tsi_tgt),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
if (le32_to_cpu(ubuf->ub_magic) != UPDATE_BUFFER_MAGIC) {
CERROR("%s: invalid magic %x expect %x: rc = %d\n",
tgt_name(tsi->tsi_tgt), le32_to_cpu(ubuf->ub_magic),
UPDATE_BUFFER_MAGIC, -EPROTO);
RETURN(err_serious(-EPROTO));
}
count = le32_to_cpu(ubuf->ub_count);
if (count <= 0) {
CERROR("%s: No update!: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_UPDATE_REPLY, RCL_SERVER,
UPDATE_BUFFER_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);
}
/* Prepare the update reply buffer */
update_reply = req_capsule_server_get(pill, &RMF_UPDATE_REPLY);
if (update_reply == NULL)
RETURN(err_serious(-EPROTO));
update_init_reply_buf(update_reply, count);
tti->tti_u.update.tti_update_reply = update_reply;
rc = out_tx_start(env, dt, ta);
if (rc != 0)
RETURN(rc);
tti->tti_mult_trans = !req_is_replay(tgt_ses_req(tsi));
/* Walk through updates in the request to execute them synchronously */
off = cfs_size_round(offsetof(struct update_buf, ub_bufs[0]));
for (i = 0; i < count; i++) {
struct tgt_handler *h;
struct dt_object *dt_obj;
update = (struct update *)((char *)ubuf + off);
if (old_batchid == -1) {
old_batchid = update->u_batchid;
} else if (old_batchid != update->u_batchid) {
/* Stop the current update transaction,
* create a new one */
rc = out_tx_end(env, ta);
if (rc != 0)
RETURN(rc);
rc = out_tx_start(env, dt, ta);
if (rc != 0)
RETURN(rc);
old_batchid = update->u_batchid;
}
fid_le_to_cpu(&update->u_fid, &update->u_fid);
if (!fid_is_sane(&update->u_fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
tgt_name(tsi->tsi_tgt), PFID(&update->u_fid),
-EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
dt_obj = dt_locate(env, dt, &update->u_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
tti->tti_u.update.tti_dt_object = dt_obj;
tti->tti_u.update.tti_update = update;
tti->tti_u.update.tti_update_reply_index = i;
h = out_handler_find(update->u_type);
if (likely(h != NULL)) {
/* For real modification RPC, check if the update
* has been executed */
if (h->th_flags & MUTABOR) {
struct ptlrpc_request *req = tgt_ses_req(tsi);
if (out_check_resent(env, dt, dt_obj, req,
out_reconstruct,
update_reply, i))
GOTO(next, rc);
}
rc = h->th_act(tsi);
} else {
CERROR("%s: The unsupported opc: 0x%x\n",
tgt_name(tsi->tsi_tgt), update->u_type);
lu_object_put(env, &dt_obj->do_lu);
GOTO(out, rc = -ENOTSUPP);
}
next:
lu_object_put(env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
off += cfs_size_round(update_size(update));
}
out:
rc1 = out_tx_end(env, ta);
if (rc == 0)
rc = rc1;
RETURN(rc);
}
static int llog_print_cb(const struct lu_env *env, struct llog_handle *handle,
struct llog_rec_hdr *rec, void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index;
if (ioc_data != NULL && ioc_data->ioc_inllen1 > 0) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
return -EINVAL;
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
return -EINVAL;
out = ioc_data->ioc_bulk;
ioc_data->ioc_inllen1 = 0;
}
cur_index = rec->lrh_index;
if (cur_index < from)
return 0;
if (to > 0 && cur_index > to)
return -LLOG_EEMPTY;
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
CERROR("invalid record in catalog\n");
return -EINVAL;
}
l = snprintf(out, remains,
"[index]: %05d [logid]: #"DOSTID"#%08x\n",
cur_index, POSTID(&lir->lid_id.lgl_oi),
lir->lid_id.lgl_ogen);
} else if (rec->lrh_type == OBD_CFG_REC) {
int rc;
rc = class_config_parse_rec(rec, out, remains);
if (rc < 0)
return rc;
l = rc;
} else {
l = snprintf(out, remains,
"[index]: %05d [type]: %02x [len]: %04d\n",
cur_index, rec->lrh_type, rec->lrh_len);
}
out += l;
remains -= l;
if (remains <= 0) {
CERROR("not enough space for print log records\n");
return -LLOG_EEMPTY;
}
return 0;
}
/**
* Process the HSM actions described in a struct hsm_user_request.
*
* The action described in hur will be send to coordinator to be saved and
* processed later or either handled directly if hur.hur_action is HUA_RELEASE.
*
* This is MDS_HSM_REQUEST RPC handler.
*/
int mdt_hsm_request(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info;
struct req_capsule *pill = tsi->tsi_pill;
struct hsm_request *hr;
struct hsm_user_item *hui;
struct hsm_action_list *hal;
struct hsm_action_item *hai;
const void *data;
int hui_list_size;
int data_size;
enum hsm_copytool_action action = HSMA_NONE;
__u64 compound_id;
int hal_size, i, rc;
ENTRY;
hr = req_capsule_client_get(pill, &RMF_MDS_HSM_REQUEST);
hui = req_capsule_client_get(pill, &RMF_MDS_HSM_USER_ITEM);
data = req_capsule_client_get(pill, &RMF_GENERIC_DATA);
if (tsi->tsi_mdt_body == NULL || hr == NULL || hui == NULL || data == NULL)
RETURN(-EPROTO);
/* Sanity check. Nothing to do with an empty list */
if (hr->hr_itemcount == 0)
RETURN(0);
hui_list_size = req_capsule_get_size(pill, &RMF_MDS_HSM_USER_ITEM,
RCL_CLIENT);
if (hui_list_size < hr->hr_itemcount * sizeof(*hui))
RETURN(-EPROTO);
data_size = req_capsule_get_size(pill, &RMF_GENERIC_DATA, RCL_CLIENT);
if (data_size != hr->hr_data_len)
RETURN(-EPROTO);
info = tsi2mdt_info(tsi);
/* Only valid if client is remote */
rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
if (rc)
GOTO(out, rc);
switch (hr->hr_action) {
/* code to be removed in hsm1_merge and final patch */
case HUA_RELEASE:
CERROR("Release action is not working in hsm1_coord\n");
GOTO(out_ucred, rc = -EINVAL);
break;
/* end of code to be removed */
case HUA_ARCHIVE:
action = HSMA_ARCHIVE;
break;
case HUA_RESTORE:
action = HSMA_RESTORE;
break;
case HUA_REMOVE:
action = HSMA_REMOVE;
break;
case HUA_CANCEL:
action = HSMA_CANCEL;
break;
default:
CERROR("Unknown hsm action: %d\n", hr->hr_action);
GOTO(out_ucred, rc = -EINVAL);
}
hal_size = sizeof(*hal) + cfs_size_round(MTI_NAME_MAXLEN) /* fsname */ +
(sizeof(*hai) + cfs_size_round(hr->hr_data_len)) *
hr->hr_itemcount;
MDT_HSM_ALLOC(hal, hal_size);
if (hal == NULL)
GOTO(out_ucred, rc = -ENOMEM);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = hr->hr_archive_id;
hal->hal_flags = hr->hr_flags;
obd_uuid2fsname(hal->hal_fsname, mdt_obd_name(info->mti_mdt),
MTI_NAME_MAXLEN);
hal->hal_count = 0;
hai = hai_first(hal);
for (i = 0; i < hr->hr_itemcount; i++, hai = hai_next(hai)) {
/* Get rid of duplicate entries. Otherwise we get
* duplicated work in the llog. */
if (is_fid_in_hal(hal, &hui[i].hui_fid))
continue;
hai->hai_action = action;
hai->hai_cookie = 0;
hai->hai_gid = 0;
hai->hai_fid = hui[i].hui_fid;
hai->hai_extent = hui[i].hui_extent;
memcpy(hai->hai_data, data, hr->hr_data_len);
hai->hai_len = sizeof(*hai) + hr->hr_data_len;
hal->hal_count++;
}
rc = mdt_hsm_add_actions(info, hal, &compound_id);
MDT_HSM_FREE(hal, hal_size);
GOTO(out_ucred, rc);
out_ucred:
mdt_exit_ucred(info);
out:
mdt_thread_info_fini(info);
return rc;
}
/**
* Retrieve undergoing HSM requests for the fid provided in RPC body.
* Current requests are read from coordinator states.
*
* This is MDS_HSM_ACTION RPC handler.
*/
int mdt_hsm_action(struct tgt_session_info *tsi)
{
struct mdt_thread_info *info;
struct hsm_current_action *hca;
struct hsm_action_list *hal = NULL;
struct hsm_action_item *hai;
int hal_size;
int rc;
ENTRY;
hca = req_capsule_server_get(tsi->tsi_pill,
&RMF_MDS_HSM_CURRENT_ACTION);
if (hca == NULL)
RETURN(err_serious(-EPROTO));
if (tsi->tsi_mdt_body == NULL)
RETURN(-EPROTO);
info = tsi2mdt_info(tsi);
/* Only valid if client is remote */
rc = mdt_init_ucred(info, (struct mdt_body *)info->mti_body);
if (rc)
GOTO(out, rc = err_serious(rc));
/* Coordinator information */
hal_size = sizeof(*hal) +
cfs_size_round(MTI_NAME_MAXLEN) /* fsname */ +
cfs_size_round(sizeof(*hai));
MDT_HSM_ALLOC(hal, hal_size);
if (hal == NULL)
GOTO(out_ucred, rc = -ENOMEM);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = 0;
hal->hal_flags = 0;
obd_uuid2fsname(hal->hal_fsname, mdt_obd_name(info->mti_mdt),
MTI_NAME_MAXLEN);
hal->hal_count = 1;
hai = hai_first(hal);
hai->hai_action = HSMA_NONE;
hai->hai_cookie = 0;
hai->hai_gid = 0;
hai->hai_fid = info->mti_body->mbo_fid1;
hai->hai_len = sizeof(*hai);
rc = mdt_hsm_get_actions(info, hal);
if (rc)
GOTO(out_free, rc);
/* cookie is used to give back request status */
if (hai->hai_cookie == 0)
hca->hca_state = HPS_WAITING;
else
hca->hca_state = HPS_RUNNING;
switch (hai->hai_action) {
case HSMA_NONE:
hca->hca_action = HUA_NONE;
break;
case HSMA_ARCHIVE:
hca->hca_action = HUA_ARCHIVE;
break;
case HSMA_RESTORE:
hca->hca_action = HUA_RESTORE;
break;
case HSMA_REMOVE:
hca->hca_action = HUA_REMOVE;
break;
case HSMA_CANCEL:
hca->hca_action = HUA_CANCEL;
break;
default:
hca->hca_action = HUA_NONE;
CERROR("%s: Unknown hsm action: %d on "DFID"\n",
mdt_obd_name(info->mti_mdt),
hai->hai_action, PFID(&hai->hai_fid));
break;
}
hca->hca_location = hai->hai_extent;
EXIT;
out_free:
MDT_HSM_FREE(hal, hal_size);
out_ucred:
mdt_exit_ucred(info);
out:
mdt_thread_info_fini(info);
return rc;
}
static int out_read(struct tgt_session_info *tsi)
{
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 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;
struct object_update_result *update_result;
struct out_read_reply *orr;
void *tmp;
size_t size;
size_t total_size = 0;
__u64 pos;
unsigned int i;
unsigned int nbufs;
int rc = 0;
ENTRY;
update_result = object_update_result_get(reply, index, NULL);
LASSERT(update_result != NULL);
update_result->our_datalen = sizeof(*orr);
if (!lu_object_exists(&obj->do_lu))
GOTO(out, rc = -ENOENT);
tmp = object_update_param_get(update, 0, NULL);
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 (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));
/* Put the offset into the begining of the buffer in reply */
orr = (struct out_read_reply *)update_result->our_data;
nbufs = (size + OUT_BULK_BUFFER_SIZE - 1) / OUT_BULK_BUFFER_SIZE;
OBD_ALLOC(rdbuf, sizeof(struct lu_rdbuf) +
nbufs * sizeof(rdbuf->rb_bufs[0]));
if (rdbuf == NULL)
GOTO(out, rc = -ENOMEM);
rdbuf->rb_nbufs = 0;
total_size = 0;
for (i = 0; i < nbufs; i++) {
__u32 read_size;
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].lb_buf == NULL)
GOTO(out_free, rc = -ENOMEM);
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);
dt_read_unlock(env, obj);
total_size += rc < 0 ? 0 : rc;
if (rc <= 0)
break;
rdbuf->rb_nbufs++;
size -= read_size;
}
/* send pages to client */
rc = tgt_send_buffer(tsi, rdbuf);
if (rc < 0)
GOTO(out_free, rc);
orr->orr_size = total_size;
orr->orr_offset = pos;
orr_cpu_to_le(orr, orr);
update_result->our_datalen += orr->orr_size;
out_free:
for (i = 0; i < nbufs; 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, sizeof(struct lu_rdbuf) +
nbufs * sizeof(rdbuf->rb_bufs[0]));
out:
/* Insert read buffer */
update_result->our_rc = ptlrpc_status_hton(rc);
reply->ourp_lens[index] = cfs_size_round(update_result->our_datalen +
sizeof(*update_result));
RETURN(rc);
}
static int llog_check_cb(struct llog_handle *handle, struct llog_rec_hdr *rec,
void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index, rc = 0;
ENTRY;
cur_index = rec->lrh_index;
if (ioc_data && (ioc_data->ioc_inllen1)) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
RETURN(-EINVAL);
ioc_data->ioc_inllen1 = 0;
out = ioc_data->ioc_bulk;
if (cur_index < from)
RETURN(0);
if (to > 0 && cur_index > to)
RETURN(-LLOG_EEMPTY);
}
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct llog_handle *log_handle;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
}
if (handle->lgh_ctxt == NULL)
RETURN(-EOPNOTSUPP);
rc = llog_cat_id2handle(handle, &log_handle, &lir->lid_id);
if (rc) {
CDEBUG(D_IOCTL,
"cannot find log #"LPX64"#"LPX64"#%08x\n",
lir->lid_id.lgl_oid, lir->lid_id.lgl_oseq,
lir->lid_id.lgl_ogen);
RETURN(rc);
}
rc = llog_process(log_handle, llog_check_cb, NULL, NULL);
llog_close(log_handle);
} else {
switch (rec->lrh_type) {
case OST_SZ_REC:
case OST_RAID1_REC:
case MDS_UNLINK_REC:
case MDS_SETATTR_REC:
case MDS_SETATTR64_REC:
case OBD_CFG_REC:
case LLOG_HDR_MAGIC: {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d ok\n",
cur_index, rec->lrh_type,
rec->lrh_len);
out += l;
remains -= l;
if (remains <= 0) {
CERROR("no space to print log records\n");
RETURN(-LLOG_EEMPTY);
}
RETURN(0);
}
default: {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
out += l;
remains -= l;
if (remains <= 0) {
CERROR("no space to print log records\n");
RETURN(-LLOG_EEMPTY);
}
RETURN(0);
}
}
}
RETURN(rc);
}
int llog_ioctl(struct llog_ctxt *ctxt, int cmd, struct obd_ioctl_data *data)
{
struct llog_logid logid;
int err = 0;
struct llog_handle *handle = NULL;
ENTRY;
if (*data->ioc_inlbuf1 == '#') {
err = str2logid(&logid, data->ioc_inlbuf1, data->ioc_inllen1);
if (err)
GOTO(out, err);
err = llog_create(ctxt, &handle, &logid, NULL);
if (err)
GOTO(out, err);
} else if (*data->ioc_inlbuf1 == '$') {
char *name = data->ioc_inlbuf1 + 1;
err = llog_create(ctxt, &handle, NULL, name);
if (err)
GOTO(out, err);
} else {
GOTO(out, err = -EINVAL);
}
err = llog_init_handle(handle, 0, NULL);
if (err)
GOTO(out_close, err = -ENOENT);
switch (cmd) {
case OBD_IOC_LLOG_INFO: {
int l;
int remains = data->ioc_inllen2 +
cfs_size_round(data->ioc_inllen1);
char *out = data->ioc_bulk;
l = snprintf(out, remains,
"logid: #"LPX64"#"LPX64"#%08x\n"
"flags: %x (%s)\n"
"records count: %d\n"
"last index: %d\n",
handle->lgh_id.lgl_oid, handle->lgh_id.lgl_oseq,
handle->lgh_id.lgl_ogen,
handle->lgh_hdr->llh_flags,
handle->lgh_hdr->llh_flags &
LLOG_F_IS_CAT ? "cat" : "plain",
handle->lgh_hdr->llh_count,
handle->lgh_last_idx);
out += l;
remains -= l;
if (remains <= 0)
CERROR("not enough space for log header info\n");
GOTO(out_close, err);
}
case OBD_IOC_LLOG_CHECK: {
LASSERT(data->ioc_inllen1);
err = llog_process(handle, llog_check_cb, data, NULL);
if (err == -LLOG_EEMPTY)
err = 0;
GOTO(out_close, err);
}
case OBD_IOC_LLOG_PRINT: {
LASSERT(data->ioc_inllen1);
err = llog_process(handle, class_config_dump_handler,data,NULL);
if (err == -LLOG_EEMPTY)
err = 0;
else
err = llog_process(handle, llog_print_cb, data, NULL);
GOTO(out_close, err);
}
case OBD_IOC_LLOG_CANCEL: {
struct llog_cookie cookie;
struct llog_logid plain;
char *endp;
cookie.lgc_index = simple_strtoul(data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
GOTO(out_close, err = -EINVAL);
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
cfs_down_write(&handle->lgh_lock);
err = llog_cancel_rec(handle, cookie.lgc_index);
cfs_up_write(&handle->lgh_lock);
GOTO(out_close, err);
}
err = str2logid(&plain, data->ioc_inlbuf2, data->ioc_inllen2);
if (err)
GOTO(out_close, err);
cookie.lgc_lgl = plain;
if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT))
GOTO(out_close, err = -EINVAL);
err = llog_cat_cancel_records(handle, 1, &cookie);
GOTO(out_close, err);
}
case OBD_IOC_LLOG_REMOVE: {
struct llog_logid plain;
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
err = llog_destroy(handle);
if (!err)
llog_free_handle(handle);
GOTO(out, err);
}
if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT))
GOTO(out_close, err = -EINVAL);
if (data->ioc_inlbuf2) {
/*remove indicate log from the catalog*/
err = str2logid(&plain, data->ioc_inlbuf2,
data->ioc_inllen2);
if (err)
GOTO(out_close, err);
err = llog_remove_log(handle, &plain);
} else {
/*remove all the log of the catalog*/
llog_process(handle, llog_delete_cb, NULL, NULL);
}
GOTO(out_close, err);
}
}
out_close:
if (handle->lgh_hdr &&
handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)
llog_cat_put(handle);
else
llog_close(handle);
out:
RETURN(err);
}
int llog_ioctl(const struct lu_env *env, struct llog_ctxt *ctxt, int cmd,
struct obd_ioctl_data *data)
{
struct llog_logid logid;
int rc = 0;
struct llog_handle *handle = NULL;
if (*data->ioc_inlbuf1 == '#') {
rc = str2logid(&logid, data->ioc_inlbuf1, data->ioc_inllen1);
if (rc)
return rc;
rc = llog_open(env, ctxt, &handle, &logid, NULL,
LLOG_OPEN_EXISTS);
if (rc)
return rc;
} else if (*data->ioc_inlbuf1 == '$') {
char *name = data->ioc_inlbuf1 + 1;
rc = llog_open(env, ctxt, &handle, NULL, name,
LLOG_OPEN_EXISTS);
if (rc)
return rc;
} else {
return -EINVAL;
}
rc = llog_init_handle(env, handle, 0, NULL);
if (rc)
GOTO(out_close, rc = -ENOENT);
switch (cmd) {
case OBD_IOC_LLOG_INFO: {
int l;
int remains = data->ioc_inllen2 +
cfs_size_round(data->ioc_inllen1);
char *out = data->ioc_bulk;
l = snprintf(out, remains,
"logid: #"DOSTID"#%08x\n"
"flags: %x (%s)\n"
"records count: %d\n"
"last index: %d\n",
POSTID(&handle->lgh_id.lgl_oi),
handle->lgh_id.lgl_ogen,
handle->lgh_hdr->llh_flags,
handle->lgh_hdr->llh_flags &
LLOG_F_IS_CAT ? "cat" : "plain",
handle->lgh_hdr->llh_count,
handle->lgh_last_idx);
out += l;
remains -= l;
if (remains <= 0) {
CERROR("%s: not enough space for log header info\n",
ctxt->loc_obd->obd_name);
rc = -ENOSPC;
}
break;
}
case OBD_IOC_LLOG_CHECK:
LASSERT(data->ioc_inllen1 > 0);
rc = llog_process(env, handle, llog_check_cb, data, NULL);
if (rc == -LLOG_EEMPTY)
rc = 0;
else if (rc)
GOTO(out_close, rc);
break;
case OBD_IOC_LLOG_PRINT:
LASSERT(data->ioc_inllen1 > 0);
rc = llog_process(env, handle, llog_print_cb, data, NULL);
if (rc == -LLOG_EEMPTY)
rc = 0;
else if (rc)
GOTO(out_close, rc);
break;
case OBD_IOC_LLOG_CANCEL: {
struct llog_cookie cookie;
struct llog_logid plain;
char *endp;
cookie.lgc_index = simple_strtoul(data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
GOTO(out_close, rc = -EINVAL);
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
rc = llog_cancel_rec(NULL, handle, cookie.lgc_index);
GOTO(out_close, rc);
} else if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
GOTO(out_close, rc = -EINVAL);
}
if (data->ioc_inlbuf2 == NULL) /* catalog but no logid */
GOTO(out_close, rc = -ENOTTY);
rc = str2logid(&plain, data->ioc_inlbuf2, data->ioc_inllen2);
if (rc)
GOTO(out_close, rc);
cookie.lgc_lgl = plain;
rc = llog_cat_cancel_records(env, handle, 1, &cookie);
if (rc)
GOTO(out_close, rc);
break;
}
case OBD_IOC_LLOG_REMOVE: {
struct llog_logid plain;
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_PLAIN) {
rc = llog_destroy(env, handle);
GOTO(out_close, rc);
} else if (!(handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)) {
GOTO(out_close, rc = -EINVAL);
}
if (data->ioc_inlbuf2 > 0) {
/* remove indicate log from the catalog */
rc = str2logid(&plain, data->ioc_inlbuf2,
data->ioc_inllen2);
if (rc)
GOTO(out_close, rc);
rc = llog_remove_log(env, handle, &plain);
} else {
/* remove all the log of the catalog */
rc = llog_process(env, handle, llog_delete_cb, NULL,
NULL);
if (rc)
GOTO(out_close, rc);
}
break;
}
default:
CERROR("%s: Unknown ioctl cmd %#x\n",
ctxt->loc_obd->obd_name, cmd);
GOTO(out_close, rc = -ENOTTY);
}
out_close:
if (handle->lgh_hdr &&
handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT)
llog_cat_close(env, handle);
else
llog_close(env, handle);
return rc;
}
/* temporary for testing */
static ssize_t mdc_kuc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd =
((struct seq_file *)file->private_data)->private;
struct kuc_hdr *lh;
struct hsm_action_list *hal;
struct hsm_action_item *hai;
int len;
int fd, rc;
rc = lprocfs_write_helper(buffer, count, &fd);
if (rc)
return rc;
if (fd < 0)
return -ERANGE;
CWARN("message to fd %d\n", fd);
len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
/* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
OBD_ALLOC(lh, len);
if (!lh)
return -ENOMEM;
lh->kuc_magic = KUC_MAGIC;
lh->kuc_transport = KUC_TRANSPORT_HSM;
lh->kuc_msgtype = HMT_ACTION_LIST;
lh->kuc_msglen = len;
hal = (struct hsm_action_list *)(lh + 1);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = 1;
hal->hal_flags = 0;
obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
/* mock up an action list */
hal->hal_count = 2;
hai = hai_zero(hal);
hai->hai_action = HSMA_ARCHIVE;
hai->hai_fid.f_oid = 5;
hai->hai_len = sizeof(*hai);
hai = hai_next(hai);
hai->hai_action = HSMA_RESTORE;
hai->hai_fid.f_oid = 10;
hai->hai_len = sizeof(*hai);
/* This works for either broadcast or unicast to a single fd */
if (fd == 0) {
rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
} else {
struct file *fp = fget(fd);
rc = libcfs_kkuc_msg_put(fp, lh);
fput(fp);
}
OBD_FREE(lh, len);
if (rc < 0)
return rc;
return count;
}
static int out_xattr_get(struct tgt_session_info *tsi)
{
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 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;
char *name;
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);
}
name = object_update_param_get(update, 0, NULL);
if (name == NULL) {
CERROR("%s: empty name for xattr get: rc = %d\n",
tgt_name(tsi->tsi_tgt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
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));
}
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);
dt_read_lock(env, obj, MOR_TGT_CHILD);
rc = dt_xattr_get(env, obj, lbuf, name, NULL);
dt_read_unlock(env, obj);
if (rc < 0) {
lbuf->lb_len = 0;
GOTO(out, rc);
}
if (rc == 0) {
lbuf->lb_len = 0;
GOTO(out, rc = -ENOENT);
}
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);
GOTO(out, rc);
out:
object_update_result_insert(reply, lbuf->lb_buf, lbuf->lb_len, idx, rc);
RETURN(rc);
}
/**
* Object updates between Targets. Because all the updates has been
* dis-assemblied into object updates in master MDD layer, so out
* will skip MDD layer, and call OSD API directly to execute these
* updates.
*
* In phase I, all of the updates in the request need to be executed
* in one transaction, and the transaction has to be synchronously.
*
* Please refer to lustre/include/lustre/lustre_idl.h for req/reply
* format.
*/
int out_handle(struct mdt_thread_info *info)
{
struct req_capsule *pill = info->mti_pill;
struct update_buf *ubuf;
struct update *update;
struct thandle_exec_args *th = &info->mti_handle;
int bufsize;
int count;
unsigned off;
int i;
int rc = 0;
int rc1 = 0;
ENTRY;
req_capsule_set(pill, &RQF_UPDATE_OBJ);
bufsize = req_capsule_get_size(pill, &RMF_UPDATE, RCL_CLIENT);
if (bufsize != UPDATE_BUFFER_SIZE) {
CERROR("%s: invalid bufsize %d: rc = %d\n",
mdt_obd_name(info->mti_mdt), bufsize, -EPROTO);
RETURN(err_serious(-EPROTO));
}
ubuf = req_capsule_client_get(pill, &RMF_UPDATE);
if (ubuf == NULL) {
CERROR("%s: No buf!: rc = %d\n", mdt_obd_name(info->mti_mdt),
-EPROTO);
RETURN(err_serious(-EPROTO));
}
if (le32_to_cpu(ubuf->ub_magic) != UPDATE_BUFFER_MAGIC) {
CERROR("%s: invalid magic %x expect %x: rc = %d\n",
mdt_obd_name(info->mti_mdt), le32_to_cpu(ubuf->ub_magic),
UPDATE_BUFFER_MAGIC, -EPROTO);
RETURN(err_serious(-EPROTO));
}
count = le32_to_cpu(ubuf->ub_count);
if (count <= 0) {
CERROR("%s: No update!: rc = %d\n",
mdt_obd_name(info->mti_mdt), -EPROTO);
RETURN(err_serious(-EPROTO));
}
req_capsule_set_size(pill, &RMF_UPDATE_REPLY, RCL_SERVER,
UPDATE_BUFFER_SIZE);
rc = req_capsule_server_pack(pill);
if (rc != 0) {
CERROR("%s: Can't pack response: rc = %d\n",
mdt_obd_name(info->mti_mdt), rc);
RETURN(rc);
}
/* Prepare the update reply buffer */
info->mti_u.update.mti_update_reply =
req_capsule_server_get(pill, &RMF_UPDATE_REPLY);
update_init_reply_buf(info->mti_u.update.mti_update_reply, count);
rc = out_tx_start(info->mti_env, info->mti_mdt, th);
if (rc != 0)
RETURN(rc);
/* Walk through updates in the request to execute them synchronously */
off = cfs_size_round(offsetof(struct update_buf, ub_bufs[0]));
for (i = 0; i < count; i++) {
struct out_handler *h;
struct dt_object *dt_obj;
update = (struct update *)((char *)ubuf + off);
fid_le_to_cpu(&update->u_fid, &update->u_fid);
if (!fid_is_sane(&update->u_fid)) {
CERROR("%s: invalid FID "DFID": rc = %d\n",
mdt_obd_name(info->mti_mdt),
PFID(&update->u_fid), -EPROTO);
GOTO(out, rc = err_serious(-EPROTO));
}
dt_obj = out_object_find(info, &update->u_fid);
if (IS_ERR(dt_obj))
GOTO(out, rc = PTR_ERR(dt_obj));
info->mti_u.update.mti_dt_object = dt_obj;
info->mti_u.update.mti_update = update;
info->mti_u.update.mti_update_reply_index = i;
h = mdt_handler_find(update->u_type, out_handlers);
if (likely(h != NULL)) {
rc = h->mh_act(info);
} else {
CERROR("%s: The unsupported opc: 0x%x\n",
mdt_obd_name(info->mti_mdt), update->u_type);
lu_object_put(info->mti_env, &dt_obj->do_lu);
GOTO(out, rc = -ENOTSUPP);
}
lu_object_put(info->mti_env, &dt_obj->do_lu);
if (rc < 0)
GOTO(out, rc);
off += cfs_size_round(update_size(update));
}
out:
rc1 = out_tx_end(info, th);
rc = rc == 0 ? rc1 : rc;
info->mti_fail_id = OBD_FAIL_UPDATE_OBJ_NET;
RETURN(rc);
}
static int llog_check_cb(const struct lu_env *env, struct llog_handle *handle,
struct llog_rec_hdr *rec, void *data)
{
struct obd_ioctl_data *ioc_data = (struct obd_ioctl_data *)data;
static int l, remains, from, to;
static char *out;
char *endp;
int cur_index, rc = 0;
if (ioc_data && ioc_data->ioc_inllen1 > 0) {
l = 0;
remains = ioc_data->ioc_inllen4 +
cfs_size_round(ioc_data->ioc_inllen1) +
cfs_size_round(ioc_data->ioc_inllen2) +
cfs_size_round(ioc_data->ioc_inllen3);
from = simple_strtol(ioc_data->ioc_inlbuf2, &endp, 0);
if (*endp != '\0')
return -EINVAL;
to = simple_strtol(ioc_data->ioc_inlbuf3, &endp, 0);
if (*endp != '\0')
return -EINVAL;
ioc_data->ioc_inllen1 = 0;
out = ioc_data->ioc_bulk;
}
cur_index = rec->lrh_index;
if (cur_index < from)
return 0;
if (to > 0 && cur_index > to)
return -LLOG_EEMPTY;
if (handle->lgh_hdr->llh_flags & LLOG_F_IS_CAT) {
struct llog_logid_rec *lir = (struct llog_logid_rec *)rec;
struct llog_handle *loghandle;
if (rec->lrh_type != LLOG_LOGID_MAGIC) {
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d failed\n",
cur_index, rec->lrh_type,
rec->lrh_len);
}
if (handle->lgh_ctxt == NULL)
return -EOPNOTSUPP;
rc = llog_cat_id2handle(env, handle, &loghandle, &lir->lid_id);
if (rc) {
CDEBUG(D_IOCTL, "cannot find log #"DOSTID"#%08x\n",
POSTID(&lir->lid_id.lgl_oi),
lir->lid_id.lgl_ogen);
return rc;
}
rc = llog_process(env, loghandle, llog_check_cb, NULL, NULL);
llog_handle_put(loghandle);
} else {
bool ok;
switch (rec->lrh_type) {
case OST_SZ_REC:
case MDS_UNLINK_REC:
case MDS_UNLINK64_REC:
case MDS_SETATTR64_REC:
case OBD_CFG_REC:
case LLOG_GEN_REC:
case LLOG_HDR_MAGIC:
ok = true;
break;
default:
ok = false;
}
l = snprintf(out, remains, "[index]: %05d [type]: "
"%02x [len]: %04d %s\n",
cur_index, rec->lrh_type, rec->lrh_len,
ok ? "ok" : "failed");
out += l;
remains -= l;
if (remains <= 0) {
CERROR("%s: no space to print log records\n",
handle->lgh_ctxt->loc_obd->obd_name);
return -LLOG_EEMPTY;
}
}
return rc;
}
