int __osd_sa_xattr_update(const struct lu_env *env, struct osd_object *obj,
struct osd_thandle *oh)
{
struct lu_buf *lb = &osd_oti_get(env)->oti_xattr_lbuf;
struct osd_device *osd = osd_obj2dev(obj);
char *dxattr;
size_t size;
int rc;
obj->oo_late_xattr = 0;
/* Update the SA for additions, modifications, and removals. */
rc = -nvlist_size(obj->oo_sa_xattr, &size, NV_ENCODE_XDR);
if (rc)
return rc;
lu_buf_check_and_alloc(lb, size);
if (lb->lb_buf == NULL) {
CERROR("%s: can't allocate buffer for xattr update\n",
osd->od_svname);
return -ENOMEM;
}
dxattr = lb->lb_buf;
rc = -nvlist_pack(obj->oo_sa_xattr, &dxattr, &size,
NV_ENCODE_XDR, KM_SLEEP);
if (rc)
return rc;
LASSERT(dxattr == lb->lb_buf);
sa_update(obj->oo_sa_hdl, SA_ZPL_DXATTR(osd), dxattr, size, oh->ot_tx);
return 0;
}
int linkea_data_new(struct linkea_data *ldata, struct lu_buf *buf)
{
ldata->ld_buf = lu_buf_check_and_alloc(buf, PAGE_SIZE);
if (!ldata->ld_buf->lb_buf)
return -ENOMEM;
ldata->ld_leh = ldata->ld_buf->lb_buf;
ldata->ld_leh->leh_magic = LINK_EA_MAGIC;
ldata->ld_leh->leh_len = sizeof(struct link_ea_header);
ldata->ld_leh->leh_reccount = 0;
return 0;
}
/** Add a CL_MARK record to the changelog
* \param mdd
* \param markerflags - CLM_*
* \retval 0 ok
*/
int mdd_changelog_write_header(const struct lu_env *env,
struct mdd_device *mdd, int markerflags)
{
struct obd_device *obd = mdd2obd_dev(mdd);
struct llog_changelog_rec *rec;
struct lu_buf *buf;
struct llog_ctxt *ctxt;
int reclen;
int len = strlen(obd->obd_name);
int rc;
ENTRY;
if (mdd->mdd_cl.mc_mask & (1 << CL_MARK)) {
mdd->mdd_cl.mc_starttime = cfs_time_current_64();
RETURN(0);
}
reclen = llog_data_len(sizeof(*rec) + len);
buf = lu_buf_check_and_alloc(&mdd_env_info(env)->mti_big_buf, reclen);
if (buf->lb_buf == NULL)
RETURN(-ENOMEM);
rec = buf->lb_buf;
rec->cr.cr_flags = CLF_VERSION;
rec->cr.cr_type = CL_MARK;
rec->cr.cr_namelen = len;
memcpy(changelog_rec_name(&rec->cr), obd->obd_name, rec->cr.cr_namelen);
/* Status and action flags */
rec->cr.cr_markerflags = mdd->mdd_cl.mc_flags | markerflags;
rec->cr_hdr.lrh_len = llog_data_len(changelog_rec_size(&rec->cr) +
rec->cr.cr_namelen);
rec->cr_hdr.lrh_type = CHANGELOG_REC;
rec->cr.cr_time = cl_time();
spin_lock(&mdd->mdd_cl.mc_lock);
rec->cr.cr_index = ++mdd->mdd_cl.mc_index;
spin_unlock(&mdd->mdd_cl.mc_lock);
ctxt = llog_get_context(obd, LLOG_CHANGELOG_ORIG_CTXT);
LASSERT(ctxt);
rc = llog_cat_add(env, ctxt->loc_handle, &rec->cr_hdr, NULL);
if (rc > 0)
rc = 0;
llog_ctxt_put(ctxt);
/* assume on or off event; reset repeat-access time */
mdd->mdd_cl.mc_starttime = cfs_time_current_64();
RETURN(rc);
}
static int lfsck_links_read(const struct lu_env *env, struct dt_object *obj,
struct linkea_data *ldata)
{
int rc;
ldata->ld_buf =
lu_buf_check_and_alloc(&lfsck_env_info(env)->lti_linkea_buf,
PAGE_CACHE_SIZE);
if (ldata->ld_buf->lb_buf == NULL)
return -ENOMEM;
if (!dt_object_exists(obj))
return -ENODATA;
rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK, BYPASS_CAPA);
if (rc == -ERANGE) {
/* Buf was too small, figure out what we need. */
lu_buf_free(ldata->ld_buf);
rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK,
BYPASS_CAPA);
if (rc < 0)
return rc;
ldata->ld_buf = lu_buf_check_and_alloc(ldata->ld_buf, rc);
if (ldata->ld_buf->lb_buf == NULL)
return -ENOMEM;
rc = dt_xattr_get(env, obj, ldata->ld_buf, XATTR_NAME_LINK,
BYPASS_CAPA);
}
if (rc < 0)
return rc;
linkea_init(ldata);
return 0;
}