RETURN(rc);
}
+static int mds_lov_update_desc(struct obd_device *obd, struct obd_export *lov)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ int valsize = sizeof(mds->mds_lov_desc), rc, i;
+ ENTRY;
+
+ rc = obd_get_info(lov, strlen("lovdesc") + 1, "lovdesc", &valsize,
+ &mds->mds_lov_desc);
+ if (rc)
+ RETURN(rc);
+
+ i = lov_mds_md_size(mds->mds_lov_desc.ld_tgt_count);
+ if (i > mds->mds_max_mdsize)
+ mds->mds_max_mdsize = i;
+ mds->mds_max_cookiesize = mds->mds_lov_desc.ld_tgt_count *
+ sizeof(struct llog_cookie);
+ mds->mds_has_lov_desc = 1;
+ RETURN(0);
+}
+
int mds_lov_connect(struct obd_device *obd, char * lov_name)
{
struct mds_obd *mds = &obd->u.mds;
struct lustre_handle conn = {0,};
char name[32] = "CATLIST";
- int valsize, rc, i;
+ int rc, i, valsize;
__u32 group;
ENTRY;
RETURN(-ENOTCONN);
}
+ CDEBUG(D_HA, "obd: %s osc: %s lov_name: %s\n",
+ obd->obd_name, mds->mds_osc_obd->obd_name, lov_name);
+
rc = obd_connect(&conn, mds->mds_osc_obd, &obd->obd_uuid);
if (rc) {
CERROR("MDS cannot connect to LOV %s (%d)\n",
GOTO(err_discon, rc);
}
- valsize = sizeof(mds->mds_lov_desc);
- rc = obd_get_info(mds->mds_osc_exp, strlen("lovdesc") + 1, "lovdesc",
- &valsize, &mds->mds_lov_desc);
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
if (rc)
GOTO(err_reg, rc);
- i = lov_mds_md_size(mds->mds_lov_desc.ld_tgt_count);
- if (i > mds->mds_max_mdsize)
- mds->mds_max_mdsize = i;
- mds->mds_max_cookiesize = mds->mds_lov_desc.ld_tgt_count*
- sizeof(struct llog_cookie);
- mds->mds_has_lov_desc = 1;
rc = mds_lov_read_objids(obd);
if (rc) {
CERROR("cannot read %s: rc = %d\n", "lov_objids", rc);
struct obd_ioctl_data *data = karg;
struct lvfs_run_ctxt saved;
int rc = 0;
+ ENTRY;
switch (cmd) {
case OBD_IOC_RECORD: {
RETURN(-EBUSY);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(llog_get_context(&obd->obd_llogs,
- LLOG_CONFIG_ORIG_CTXT),
- &mds->mds_cfg_llh, NULL, name);
+ rc = llog_open(llog_get_context(&obd->obd_llogs,
+ LLOG_CONFIG_ORIG_CTXT),
+ &mds->mds_cfg_llh, NULL, name,
+ OBD_LLOG_FL_CREATE);
if (rc == 0)
llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
&cfg_uuid);
RETURN(-EBUSY);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = llog_create(llog_get_context(&obd->obd_llogs,
- LLOG_CONFIG_ORIG_CTXT),
- &mds->mds_cfg_llh, NULL, name);
+ rc = llog_open(llog_get_context(&obd->obd_llogs,
+ LLOG_CONFIG_ORIG_CTXT),
+ &mds->mds_cfg_llh, NULL, name,
+ OBD_LLOG_FL_CREATE);
if (rc == 0) {
llog_init_handle(mds->mds_cfg_llh, LLOG_F_IS_PLAIN,
NULL);
-
+
rc = llog_destroy(mds->mds_cfg_llh);
llog_free_handle(mds->mds_cfg_llh);
}
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
-
+
mds->mds_cfg_llh = NULL;
RETURN(rc);
}
if (!mds->mds_cfg_llh)
RETURN(-EBADF);
+ /* XXX - this probably should be a parameter to this ioctl.
+ * For now, just use llh_max_transno for expediency. */
rec.lrh_len = llog_data_len(data->ioc_plen1);
if (data->ioc_type == LUSTRE_CFG_TYPE) {
struct llog_ctxt *ctxt =
llog_get_context(&obd->obd_llogs, LLOG_CONFIG_ORIG_CTXT);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- rc = class_config_parse_llog(ctxt, data->ioc_inlbuf1, NULL);
+ rc = class_config_process_llog(ctxt, data->ioc_inlbuf1, NULL);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
if (rc)
RETURN(rc);
push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
rc = class_config_dump_llog(ctxt, data->ioc_inlbuf1, NULL);
pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
- if (rc)
- RETURN(rc);
RETURN(rc);
}
RETURN(rc);
}
+int mds_set_info(struct obd_export *exp, obd_count keylen,
+ void *key, obd_count vallen, void *val)
+{
+ struct obd_device *obd = class_exp2obd(exp);
+ struct mds_obd *mds = &obd->u.mds;
+ ENTRY;
+
+#define KEY_IS(str) \
+ (keylen == strlen(str) && memcmp(key, str, keylen) == 0)
+
+ if (KEY_IS("next_id")) {
+ obd_id *id = (obd_id *)val;
+ int idx, rc;
+
+ /* XXX - this really should be vallen != (2 * sizeof(*id)) *
+ * Just following the precedent set by lov_set_info. */
+ if (vallen != 2)
+ RETURN(-EINVAL);
+
+ if ((idx = *id) != *id)
+ RETURN(-EINVAL);
+
+ CDEBUG(D_CONFIG, "idx: %d id: %llu\n", idx, *(id + 1));
+
+ /* The size of the LOV target table may have increased. */
+ if (idx >= mds->mds_lov_desc.ld_tgt_count) {
+ obd_id *ids;
+ int oldsize, size;
+
+ oldsize = mds->mds_lov_desc.ld_tgt_count * sizeof(*ids);
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
+ if (rc)
+ RETURN(rc);
+ if (idx >= mds->mds_lov_desc.ld_tgt_count)
+ RETURN(-EINVAL);
+ size = mds->mds_lov_desc.ld_tgt_count * sizeof(*ids);
+ OBD_ALLOC(ids, size);
+ if (ids == NULL)
+ RETURN(-ENOMEM);
+ memset(ids, 0, size);
+ if (mds->mds_lov_objids != NULL) {
+ memcpy(ids, mds->mds_lov_objids, oldsize);
+ OBD_FREE(mds->mds_lov_objids, oldsize);
+ }
+ mds->mds_lov_objids = ids;
+ }
+
+ mds->mds_lov_objids[idx] = *++id;
+ CDEBUG(D_CONFIG, "objid: %d: %lld\n", idx, *id);
+ /* XXX - should we be writing this out here ? */
+ RETURN(mds_lov_write_objids(obd));
+ }
+
+ RETURN(-EINVAL);
+}
+
+int mds_lov_update_config(struct obd_device *obd, int clean)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct lvfs_run_ctxt saved;
+ struct config_llog_instance cfg;
+ struct llog_ctxt *ctxt;
+ char *profile = mds->mds_profile, *name;
+ int rc, version, namelen;
+ ENTRY;
+
+ if (profile == NULL)
+ RETURN(0);
+
+ cfg.cfg_instance = NULL;
+ cfg.cfg_uuid = mds->mds_lov_uuid;
+
+ namelen = strlen(profile) + 20; /* -clean-######### */
+ OBD_ALLOC(name, namelen);
+ if (name == NULL)
+ RETURN(-ENOMEM);
+
+ if (clean) {
+ version = mds->mds_config_version - 1;
+ sprintf(name, "%s-clean-%d", profile, version);
+ } else {
+ version = mds->mds_config_version + 1;
+ sprintf(name, "%s-%d", profile, version);
+ }
+
+ CWARN("Applying configuration log %s\n", name);
+
+ push_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ ctxt = llog_get_context(&obd->obd_llogs, LLOG_CONFIG_ORIG_CTXT);
+ rc = class_config_process_llog(ctxt, name, &cfg);
+ pop_ctxt(&saved, &obd->obd_lvfs_ctxt, NULL);
+ if (rc == 0) {
+ mds->mds_config_version = version;
+ rc = mds_lov_update_desc(obd, mds->mds_osc_exp);
+ }
+ CWARN("Finished applying configuration log %s: %d\n", name, rc);
+
+ OBD_FREE(name, namelen);
+ RETURN(rc);
+}
+
/* Convert the on-disk LOV EA structre.
* We always try to convert from an old LOV EA format to the common in-memory
* (lsm) format (obd_unpackmd() understands the old on-disk (lmm) format) and
conv_end:
return rc;
}
+
+/* Must be called with i_sem held */
+int mds_revalidate_lov_ea(struct obd_device *obd, struct inode *inode,
+ struct lustre_msg *msg, int offset)
+{
+ struct mds_obd *mds = &obd->u.mds;
+ struct obd_export *osc_exp = mds->mds_osc_exp;
+ struct lov_mds_md *lmm= NULL;
+ struct lov_stripe_md *lsm = NULL;
+ struct obdo *oa;
+ struct obd_trans_info oti = {0};
+ unsigned valid = 0;
+ int lmm_size = 0, lsm_size = 0, err, rc;
+ void *handle;
+ ENTRY;
+
+ LASSERT(down_trylock(&inode->i_sem) != 0);
+
+ /* XXX - add way to know if EA is already up to date & return
+ * without doing anything. Easy to do since we get notified of
+ * LOV updates. */
+
+ lmm = lustre_msg_buf(msg, offset, 0);
+ if (lmm == NULL) {
+ CDEBUG(D_INFO, "no space reserved for inode %lu MD\n",
+ inode->i_ino);
+ RETURN(0);
+ }
+ lmm_size = msg->buflens[offset];
+
+ rc = obd_unpackmd(osc_exp, &lsm, lmm, lmm_size);
+ if (rc < 0)
+ RETURN(0);
+
+ lsm_size = rc;
+
+ LASSERT(lsm->lsm_magic == LOV_MAGIC);
+
+ oa = obdo_alloc();
+ if (oa == NULL)
+ GOTO(out_lsm, rc = -ENOMEM);
+ oa->o_mode = S_IFREG | 0600;
+ oa->o_id = inode->i_ino;
+ oa->o_generation = inode->i_generation;
+ oa->o_uid = 0; /* must have 0 uid / gid on OST */
+ oa->o_gid = 0;
+
+ oa->o_valid = OBD_MD_FLID | OBD_MD_FLGENER | OBD_MD_FLTYPE |
+ OBD_MD_FLMODE | OBD_MD_FLUID | OBD_MD_FLGID;
+ valid = OBD_MD_FLTYPE | OBD_MD_FLATIME | OBD_MD_FLMTIME |
+ OBD_MD_FLCTIME;
+ obdo_from_inode(oa, inode, valid);
+
+ rc = obd_revalidate_md(osc_exp, oa, lsm, &oti);
+ if (rc == 0)
+ GOTO(out_oa, rc);
+ if (rc < 0) {
+ CERROR("Error validating LOV EA on %lu/%u: %d\n",
+ inode->i_ino, inode->i_generation, rc);
+ GOTO(out_oa, rc);
+ }
+
+ rc = obd_packmd(osc_exp, &lmm, lsm);
+ if (rc < 0)
+ GOTO(out_oa, rc);
+ lmm_size = rc;
+
+ handle = fsfilt_start(obd, inode, FSFILT_OP_SETATTR, NULL);
+ if (IS_ERR(handle)) {
+ rc = PTR_ERR(handle);
+ GOTO(out_oa, rc);
+ }
+
+ rc = fsfilt_set_md(obd, inode, handle, lmm, lmm_size);
+ err = fsfilt_commit(obd, inode->i_sb, inode, handle, 0);
+ if (!rc)
+ rc = err;
+out_oa:
+ obdo_free(oa);
+out_lsm:
+ obd_free_memmd(osc_exp, &lsm);
+ RETURN(rc);
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff