goto out_fd;
}
- print_llog_header(llog_buf);
- print_records(recs_buf, rec_number, is_ext);
+ if (llog_buf != NULL)
+ print_llog_header(llog_buf);
+ if (recs_buf != NULL)
+ print_records(recs_buf, rec_number, is_ext);
llog_unpack_buffer(fd, llog_buf, recs_buf);
out_fd:
char *file_buf = NULL, *recs_buf = NULL;
struct llog_rec_hdr **recs_pr = NULL;
char *ptr = NULL;
+ int count;
int i;
rc = fstat(fd, &st);
goto clear_file_buf;
}
+ count = __le32_to_cpu((*llog)->llh_count);
+ if (count < 0) {
+ rc = -EINVAL;
+ llapi_error(LLAPI_MSG_ERROR, rc,
+ "corrupted llog: negative record number %d",
+ count);
+ goto clear_file_buf;
+ } else if (count == 0) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "uninitialized llog: zero record number\n");
+ *recs_number = 0;
+ goto clear_file_buf;
+ }
/* the llog header not countable here.*/
- recs_num = __le32_to_cpu((*llog)->llh_count) - 1;
+ recs_num = count - 1;
- recs_buf = malloc(recs_num * sizeof(**recs_pr));
+ recs_buf = calloc(recs_num, sizeof(**recs_pr));
if (recs_buf == NULL) {
rc = -ENOMEM;
llapi_error(LLAPI_MSG_ERROR, rc,
}
void llog_unpack_buffer(int fd, struct llog_log_hdr *llog_buf,
- struct llog_rec_hdr **recs_buf)
+ struct llog_rec_hdr **recs_buf)
{
- free(llog_buf);
- free(recs_buf);
- return;
+ if (llog_buf != NULL)
+ free(llog_buf);
+ if (recs_buf != NULL)
+ free(recs_buf);
+ return;
}
void print_llog_header(struct llog_log_hdr *llog_buf)
void print_changelog_rec(struct llog_changelog_rec *rec)
{
- printf("changelog record id:0x%x cr_flags:0x%x cr_type:%s(0x%x)\n",
- __le32_to_cpu(rec->cr_hdr.lrh_id),
+ time_t secs;
+ struct tm ts;
+
+ secs = __le64_to_cpu(rec->cr.cr_time) >> 30;
+ gmtime_r(&secs, &ts);
+ printf("changelog record id:0x%x index:%llu cr_flags:0x%x "
+ "cr_type:%s(0x%x) date:'%02d:%02d:%02d.%09d %04d.%02d.%02d' "
+ "target:"DFID, __le32_to_cpu(rec->cr_hdr.lrh_id),
+ __le64_to_cpu(rec->cr.cr_index),
__le32_to_cpu(rec->cr.cr_flags),
changelog_type2str(__le32_to_cpu(rec->cr.cr_type)),
- __le32_to_cpu(rec->cr.cr_type));
+ __le32_to_cpu(rec->cr.cr_type),
+ ts.tm_hour, ts.tm_min, ts.tm_sec,
+ (int)(__le64_to_cpu(rec->cr.cr_time) & ((1 << 30) - 1)),
+ ts.tm_year + 1900, ts.tm_mon + 1, ts.tm_mday,
+ PFID(&rec->cr.cr_tfid));
+
+ if (rec->cr.cr_flags & CLF_JOBID) {
+ struct changelog_ext_jobid *jid =
+ changelog_rec_jobid(&rec->cr);
+
+ if (jid->cr_jobid[0] != '\0')
+ printf(" jobid:%s", jid->cr_jobid);
+ }
+
+ if (rec->cr.cr_flags & CLF_EXTRA_FLAGS) {
+ struct changelog_ext_extra_flags *ef =
+ changelog_rec_extra_flags(&rec->cr);
+
+ printf(" cr_extra_flags:0x%llx",
+ __le64_to_cpu(ef->cr_extra_flags));
+
+ if (ef->cr_extra_flags & CLFE_UIDGID) {
+ struct changelog_ext_uidgid *uidgid =
+ changelog_rec_uidgid(&rec->cr);
+
+ printf(" user:%u:%u",
+ __le32_to_cpu(uidgid->cr_uid),
+ __le32_to_cpu(uidgid->cr_gid));
+ }
+ if (ef->cr_extra_flags & CLFE_NID) {
+ struct changelog_ext_nid *nid =
+ changelog_rec_nid(&rec->cr);
+
+ printf(" nid:%s",
+ libcfs_nid2str(nid->cr_nid));
+ }
+
+ if (ef->cr_extra_flags & CLFE_OPEN) {
+ struct changelog_ext_openmode *omd =
+ changelog_rec_openmode(&rec->cr);
+ char mode[] = "---";
+
+ /* exec mode must be exclusive */
+ if (__le32_to_cpu(omd->cr_openflags) & MDS_FMODE_EXEC) {
+ mode[2] = 'x';
+ } else {
+ if (__le32_to_cpu(omd->cr_openflags) &
+ MDS_FMODE_READ)
+ mode[0] = 'r';
+ if (__le32_to_cpu(omd->cr_openflags) &
+ (MDS_FMODE_WRITE | MDS_OPEN_TRUNC | MDS_OPEN_APPEND))
+ mode[1] = 'w';
+ }
+
+ if (strcmp(mode, "---") != 0)
+ printf(" mode:%s", mode);
+
+ }
+
+ if (ef->cr_extra_flags & CLFE_XATTR) {
+ struct changelog_ext_xattr *xattr =
+ changelog_rec_xattr(&rec->cr);
+
+ if (xattr->cr_xattr[0] != '\0')
+ printf(" xattr:%s", xattr->cr_xattr);
+ }
+ }
+
+ if (rec->cr.cr_namelen)
+ printf(" parent:"DFID" name:%.*s", PFID(&rec->cr.cr_pfid),
+ __le32_to_cpu(rec->cr.cr_namelen),
+ changelog_rec_name(&rec->cr));
+
+ if (rec->cr.cr_flags & CLF_RENAME) {
+ struct changelog_ext_rename *rnm =
+ changelog_rec_rename(&rec->cr);
+
+ if (!fid_is_zero(&rnm->cr_sfid))
+ printf(" source_fid:"DFID" source_parent_fid:"DFID
+ " %.*s",
+ PFID(&rnm->cr_sfid),
+ PFID(&rnm->cr_spfid),
+ (int)__le32_to_cpu(
+ changelog_rec_snamelen(&rec->cr)),
+ changelog_rec_sname(&rec->cr));
+ }
+ printf("\n");
}
static void print_records(struct llog_rec_hdr **recs,
int i, skip = 0;
for (i = 0; i < rec_number; i++) {
+ if (recs[i] == NULL) {
+ llapi_printf(LLAPI_MSG_NORMAL,
+ "uninitialized llog record at index %d\n",
+ i);
+ break;
+ }
printf("#%.2d (%.3d)", __le32_to_cpu(recs[i]->lrh_index),
__le32_to_cpu(recs[i]->lrh_len));