RETURN(rc);
}
+/***************************************BEGIN PROTO**********************/
+/* cmm is the second thing for MDT logs */
+static int mgs_write_log_cmm(struct obd_device *obd, struct fs_db *fsdb,
+ struct mgs_target_info *mti,
+ char *logname, char *cmmname)
+{
+ struct llog_handle *llh = NULL;
+ struct cmm_desc *cmmdesc;
+ char *uuid;
+ int rc = 0;
+ ENTRY;
+
+ CDEBUG(D_MGS, "Writing log %s\n", logname);
+
+ /*
+ #01 L attach 0:cmm_mdsA 1:cmm 2:71ccb_cmm_mdsA_19f961a9e1
+ #02 L cmm_setup 0:cmm_mdsA 1:(struct cmm_desc)
+ uuid=cmm1_UUID, stripe count=1, size=1048576, offset=0, pattern=0
+ */
+
+ /* FIXME just make cmm_setup accept empty desc (put uuid in buf 2) */
+ OBD_ALLOC(cmmdesc, sizeof(*cmmdesc));
+ if (cmmdesc == NULL)
+ RETURN(-ENOMEM);
+ cmmdesc->ld_magic = LOV_DESC_MAGIC;
+ cmmdesc->ld_tgt_count = 0;
+ /* Defaults. Can be changed later by lcfg config_param */
+ cmmdesc->ld_default_stripe_count = 1;
+ cmmdesc->ld_pattern = LOV_PATTERN_RAID0;
+ cmmdesc->ld_default_stripe_size = 1024 * 1024;
+ cmmdesc->ld_default_stripe_offset = 0;
+ sprintf((char*)cmmdesc->ld_uuid.uuid, "%s_UUID", cmmname);
+ /* can these be the same? */
+ uuid = (char *)cmmdesc->ld_uuid.uuid;
+
+ /* This should always be the first entry in a log.
+ rc = mgs_clear_log(obd, logname); */
+ rc = record_start_log(obd, &llh, logname);
+ rc = record_marker(obd, llh, fsdb, CM_START, cmmname, "cmm setup");
+ rc = record_attach(obd, llh, cmmname, "cmm", uuid);
+ rc = record_cmm_setup(obd, llh, cmmname, cmmdesc);
+ rc = record_marker(obd, llh, fsdb, CM_END, cmmname, "cmm setup");
+ rc = record_end_log(obd, &llh);
+
+ OBD_FREE(cmmdesc, sizeof(*cmmdesc));
+ RETURN(rc);
+}
+/***************************************END PROTO**********************/
+
+
+
+/***************************************BEGIN PROTO**********************/
+/* lmv is the second thing for client logs */
+static int mgs_write_log_lmv(struct obd_device *obd, struct fs_db *fsdb,
+ struct mgs_target_info *mti,
+ char *logname, char *lmvname)
+{
+ struct llog_handle *llh = NULL;
+ struct lmv_desc *lmvdesc;
+ char *uuid;
+ int rc = 0;
+ ENTRY;
+
+ CDEBUG(D_MGS, "Writing log %s\n", logname);
+
+ /*
+ #01 L attach 0:lmv_mdsA 1:lmv 2:71ccb_lmv_mdsA_19f961a9e1
+ #02 L lmv_setup 0:lmv_mdsA 1:(struct lmv_desc)
+ uuid=lmv1_UUID, stripe count=1, size=1048576, offset=0, pattern=0
+ */
+
+ /* FIXME just make lmv_setup accept empty desc (put uuid in buf 2) */
+ OBD_ALLOC(lmvdesc, sizeof(*lmvdesc));
+ if (lmvdesc == NULL)
+ RETURN(-ENOMEM);
+ lmvdesc->ld_magic = LOV_DESC_MAGIC;
+ lmvdesc->ld_tgt_count = 0;
+ /* Defaults. Can be changed later by lcfg config_param */
+ lmvdesc->ld_default_stripe_count = 1;
+ lmvdesc->ld_pattern = LOV_PATTERN_RAID0;
+ lmvdesc->ld_default_stripe_size = 1024 * 1024;
+ lmvdesc->ld_default_stripe_offset = 0;
+ sprintf((char*)lmvdesc->ld_uuid.uuid, "%s_UUID", lmvname);
+ /* can these be the same? */
+ uuid = (char *)lmvdesc->ld_uuid.uuid;
+
+ /* This should always be the first entry in a log.
+ rc = mgs_clear_log(obd, logname); */
+ rc = record_start_log(obd, &llh, logname);
+ rc = record_marker(obd, llh, fsdb, CM_START, lmvname, "lmv setup");
+ rc = record_attach(obd, llh, lmvname, "lmv", uuid);
+ rc = record_lmv_setup(obd, llh, lmvname, lmvdesc);
+ rc = record_marker(obd, llh, fsdb, CM_END, lmvname, "lmv setup");
+ rc = record_end_log(obd, &llh);
+
+ OBD_FREE(lmvdesc, sizeof(*lmvdesc));
+ RETURN(rc);
+}
+/***************************************END PROTO**********************/
+
/* lov is the first thing in the mdt and client logs */
static int mgs_write_log_lov(struct obd_device *obd, struct fs_db *fsdb,
struct mgs_target_info *mti,
first_log++;
rc = mgs_write_log_lov(obd, fsdb, mti, mti->mti_svname,
lovname);
+ //BEGIN PROTO
+ rc = mgs_write_log_cmm(obd, fsdb, mti, mti->mti_svname,
+ lovname);
+ //END PROTO
}
/* else there's already some ost entries in the mdt log. */
+ //BEGIN PROTO
+ duplicate cmm & mdc info from other MDTes
+ for_all_mdt{
+ add this mdc to other MDT's cmm;
+ mgs_write_log_mdc(...);
+ }
+ //END PROTO
+
/* We added the lov, maybe some osc's, now for the mdt.
We might add more ost's after this. Note that during the parsing
of this log, this is when the mdt will start. (This was not
mgs_log_is_empty(obd, cliname))) {
/* Start client log */
rc = mgs_write_log_lov(obd, fsdb, mti, cliname, lovname);
+ //BEGIN PROTO
+ rc = mgs_write_log_lmv(obd, fsdb, mti, cliname, lmvname);
+ //END PROTO
}
+ //BEGIN PROTO
+ add this mdc to client'lov;
+ mgs_write_log_mdc(...);
+ //END PROTO
+
+}
+
+
+/***************************************BEGIN PROTO****************************/
+static int mgs_write_log_mdc(struct obd_device *obd, struct fs_db *fsdb,
+ struct mgs_target_info *mti,
+ char *logname, char *lmv_cmm_name, int flags)
+{
name_create(libcfs_nid2str(mti->mti_nids[0]), /*"_UUID"*/"", &nodeuuid);
name_create(mti->mti_svname, "-mdc", &mdcname);
name_create(mdcname, "_UUID", &mdcuuid);
rc = record_attach(obd, llh, mdcname, LUSTRE_MDC_NAME, mdcuuid);
rc = record_setup(obd, llh, mdcname, mti->mti_uuid,nodeuuid, 0, 0);
rc = mgs_write_log_failnids(obd, mti, llh, mdcname);
- rc = record_mount_opt(obd, llh, cliname, lovname, mdcname);
+ rc = record_mount_opt(obd, llh, cliname, lov_cmm_name, mdcname);
rc = record_marker(obd, llh, fsdb, CM_END, mti->mti_svname, "add mdc");
rc = record_end_log(obd, &llh);
name_destroy(lovname);
RETURN(rc);
}
+/***************************************END PROTO*****************************/
+
/* Add the ost info to the client/mdt lov */
static int mgs_write_log_osc(struct obd_device *obd, struct fs_db *fsdb,
// FIXME need real mdt name -- but MDT may not have registered yet!
name_create(mti->mti_fsname, "-MDT0000", &logname);
name_create(mti->mti_fsname, "-mdtlov", &lovname);
- mgs_write_log_osc(obd, fsdb, mti, logname, lovname, flags);
+ //BEGIN PROTO
+ for_all_mdt{
+ mgs_write_log_osc(obd, fsdb, mti, logname, lovname, flags);
+ }
+ //END PROTO
name_destroy(lovname);
name_destroy(logname);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff