Esempio n. 1
0
static int lustre_changelog_upcall(struct lustre_filesystem *lustre_fs,
				   const struct fsal_up_vector *event_func,
				   struct changelog_rec *rec)
{
	struct changelog_ext_jobid *jid;
	struct changelog_ext_rename *rnm;
	/* changelog are displayed with the format of "lfs changelog" */
	char format_chgl[] =
	  "%llu %02d%-5s %02d:%02d:%02d.%06d %04d.%02d.%02d 0x%x %s t="DFID;
	char message[LEN_MESSAGE];
	char message2[LEN_MESSAGE];

	struct tm ts;
	time_t secs;
	int rc;

	secs = rec->cr_time >> 30;
	gmtime_r(&secs, &ts);

	if (rec->cr_flags & CLF_JOBID)
		jid = changelog_rec_jobid(rec);
	else
		return -1;

	if (rec->cr_flags & CLF_RENAME)
		rnm = changelog_rec_rename(rec);
		snprintf(message, LEN_MESSAGE, format_chgl,
			rec->cr_index,
			rec->cr_type,
			changelog_type2str(rec->cr_type),
			ts.tm_hour,
			ts.tm_min,
			ts.tm_sec,
			(int)(rec->cr_time & ((1 << 30) - 1)),
			ts.tm_year + 1900,
			ts.tm_mon + 1,
			ts.tm_mday,
			rec->cr_flags & CLF_FLAGMASK,
			jid->cr_jobid,
			PFID(&rec->cr_tfid));

	if (rec->cr_namelen)
		snprintf(message2, LEN_MESSAGE,
			 " p="DFID" %.*s",
			 PFID(&rec->cr_pfid),
			 rec->cr_namelen,
			 changelog_rec_name(rec));
	else
		message2[0] = '\0';

	strncat(message, message2, LEN_MESSAGE);
	LogFullDebug(COMPONENT_FSAL_UP, "%s", message);

	switch (rec->cr_type) {
	case CL_CREATE:
	case CL_MKDIR:
	case CL_HARDLINK:
	case CL_SOFTLINK:
	case CL_MKNOD:
	case CL_UNLINK:
	case CL_RMDIR:
		/* invalidate parent entry */
		rc = lustre_invalidate_entry(lustre_fs,
					     event_func,
					     &rec->cr_pfid);
		if (rc)
			LogDebug(COMPONENT_FSAL,
				 "Could not invalidate fid="DFID,
				 PFID(&rec->cr_pfid));
		break;
	case CL_RENAME:
		/* invalidate parent entry
		 * and target entry */
		rc = lustre_invalidate_entry(lustre_fs,
					     event_func,
					     &rnm->cr_spfid);
		if (rc)
			LogDebug(COMPONENT_FSAL,
				 "Could not invalidate fid="DFID,
				 PFID(&rnm->cr_spfid));

		rc = lustre_invalidate_entry(lustre_fs,
					     event_func,
					     &rec->cr_pfid);
		if (rc)
			LogDebug(COMPONENT_FSAL,
				 "Could not invalidate fid="DFID,
				 PFID(&rec->cr_pfid));

		rc = lustre_invalidate_entry(lustre_fs,
					     event_func,
					     &rec->cr_tfid);
		if (rc)
			LogDebug(COMPONENT_FSAL,
				 "Could not invalidate fid="DFID,
				 PFID(&rec->cr_tfid));

		break;
	case CL_ATIME:
	case CL_MTIME:
	case CL_CTIME:
	case CL_SETATTR:
		/* invalidate target entry */
		rc = lustre_invalidate_entry(lustre_fs,
					     event_func,
					     &rec->cr_tfid);
		if (rc)
			LogDebug(COMPONENT_FSAL,
				 "Could not invalidate fid="DFID,
				 PFID(&rec->cr_tfid));
		break;
	default:
		/* untracked record type */
		break;
	}
	return 0;
}
Esempio n. 2
0
void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
{
	struct llog_rec_tail *tail = NULL;

	__swab32s(&rec->lrh_len);
	__swab32s(&rec->lrh_index);
	__swab32s(&rec->lrh_type);
	__swab32s(&rec->lrh_id);

	switch (rec->lrh_type) {
	case OST_SZ_REC:
	{
		struct llog_size_change_rec *lsc =
			(struct llog_size_change_rec *)rec;

		lustre_swab_ll_fid(&lsc->lsc_fid);
		__swab32s(&lsc->lsc_ioepoch);
		tail = &lsc->lsc_tail;
		break;
	}
	case MDS_UNLINK_REC:
	{
		struct llog_unlink_rec *lur = (struct llog_unlink_rec *)rec;

		__swab64s(&lur->lur_oid);
		__swab32s(&lur->lur_oseq);
		__swab32s(&lur->lur_count);
		tail = &lur->lur_tail;
		break;
	}
	case MDS_UNLINK64_REC:
	{
		struct llog_unlink64_rec *lur =
			(struct llog_unlink64_rec *)rec;

		lustre_swab_lu_fid(&lur->lur_fid);
		__swab32s(&lur->lur_count);
		tail = &lur->lur_tail;
		break;
	}
	case CHANGELOG_REC:
	{
		struct llog_changelog_rec *cr =
			(struct llog_changelog_rec *)rec;

		__swab16s(&cr->cr.cr_namelen);
		__swab16s(&cr->cr.cr_flags);
		__swab32s(&cr->cr.cr_type);
		__swab64s(&cr->cr.cr_index);
		__swab64s(&cr->cr.cr_prev);
		__swab64s(&cr->cr.cr_time);
		lustre_swab_lu_fid(&cr->cr.cr_tfid);
		lustre_swab_lu_fid(&cr->cr.cr_pfid);
		if (cr->cr.cr_flags & CLF_RENAME) {
			struct changelog_ext_rename *rnm =
				changelog_rec_rename(&cr->cr);

			lustre_swab_lu_fid(&rnm->cr_sfid);
			lustre_swab_lu_fid(&rnm->cr_spfid);
		}
		/*
		 * Because the tail follows a variable-length structure we need
		 * to compute its location at runtime
		 */
		tail = (struct llog_rec_tail *)((char *)&cr->cr +
						changelog_rec_size(&cr->cr) +
						cr->cr.cr_namelen);
		break;
	}

	case CHANGELOG_USER_REC:
	{
		struct llog_changelog_user_rec *cur =
			(struct llog_changelog_user_rec *)rec;

		__swab32s(&cur->cur_id);
		__swab64s(&cur->cur_endrec);
		tail = &cur->cur_tail;
		break;
	}

	case HSM_AGENT_REC: {
		struct llog_agent_req_rec *arr =
			(struct llog_agent_req_rec *)rec;

		__swab32s(&arr->arr_hai.hai_len);
		__swab32s(&arr->arr_hai.hai_action);
		lustre_swab_lu_fid(&arr->arr_hai.hai_fid);
		lustre_swab_lu_fid(&arr->arr_hai.hai_dfid);
		__swab64s(&arr->arr_hai.hai_cookie);
		__swab64s(&arr->arr_hai.hai_extent.offset);
		__swab64s(&arr->arr_hai.hai_extent.length);
		__swab64s(&arr->arr_hai.hai_gid);
		/* no swabing for opaque data */
		/* hai_data[0]; */
		break;
	}

	case MDS_SETATTR64_REC:
	{
		struct llog_setattr64_rec *lsr =
			(struct llog_setattr64_rec *)rec;

		lustre_swab_ost_id(&lsr->lsr_oi);
		__swab32s(&lsr->lsr_uid);
		__swab32s(&lsr->lsr_uid_h);
		__swab32s(&lsr->lsr_gid);
		__swab32s(&lsr->lsr_gid_h);
		__swab64s(&lsr->lsr_valid);
		tail = &lsr->lsr_tail;
		break;
	}
	case OBD_CFG_REC:
		/* these are swabbed as they are consumed */
		break;
	case LLOG_HDR_MAGIC:
	{
		struct llog_log_hdr *llh = (struct llog_log_hdr *)rec;

		__swab64s(&llh->llh_timestamp);
		__swab32s(&llh->llh_count);
		__swab32s(&llh->llh_bitmap_offset);
		__swab32s(&llh->llh_flags);
		__swab32s(&llh->llh_size);
		__swab32s(&llh->llh_cat_idx);
		tail = LLOG_HDR_TAIL(llh);
		break;
	}
	case LLOG_LOGID_MAGIC:
	{
		struct llog_logid_rec *lid = (struct llog_logid_rec *)rec;

		lustre_swab_llog_id(&lid->lid_id);
		tail = &lid->lid_tail;
		break;
	}
	case LLOG_GEN_REC:
	{
		struct llog_gen_rec *lgr = (struct llog_gen_rec *)rec;

		__swab64s(&lgr->lgr_gen.mnt_cnt);
		__swab64s(&lgr->lgr_gen.conn_cnt);
		tail = &lgr->lgr_tail;
		break;
	}
	case LLOG_PAD_MAGIC:
		break;
	default:
		CERROR("Unknown llog rec type %#x swabbing rec %p\n",
		       rec->lrh_type, rec);
	}

	if (tail) {
		__swab32s(&tail->lrt_len);
		__swab32s(&tail->lrt_index);
	}
}