bool
xfs_log_check_lsn(
struct xfs_mount *mp,
xfs_lsn_t lsn)
{
int cycle = CYCLE_LSN(lsn);
int block = BLOCK_LSN(lsn);
int max_cycle;
int max_block;
if (lsn == NULLCOMMITLSN)
return true;
pthread_mutex_lock(&libxfs_max_lsn_lock);
max_cycle = CYCLE_LSN(libxfs_max_lsn);
max_block = BLOCK_LSN(libxfs_max_lsn);
if ((cycle > max_cycle) ||
(cycle == max_cycle && block > max_block))
libxfs_max_lsn = lsn;
pthread_mutex_unlock(&libxfs_max_lsn_lock);
return true;
}
int
xlog_header_check_recover(xfs_mount_t *mp, xlog_rec_header_t *head)
{
if (print_record_header)
printf(_("\nLOG REC AT LSN cycle %d block %d (0x%x, 0x%x)\n"),
CYCLE_LSN(be64_to_cpu(head->h_lsn)),
BLOCK_LSN(be64_to_cpu(head->h_lsn)),
CYCLE_LSN(be64_to_cpu(head->h_lsn)),
BLOCK_LSN(be64_to_cpu(head->h_lsn)));
if (be32_to_cpu(head->h_magicno) != XLOG_HEADER_MAGIC_NUM) {
printf(_("* ERROR: bad magic number in log header: 0x%x\n"),
be32_to_cpu(head->h_magicno));
} else if (header_check_uuid(mp, head)) {
/* failed - fall through */
} else if (be32_to_cpu(head->h_fmt) != XLOG_FMT) {
printf(_("* ERROR: log format incompatible (log=%d, ours=%d)\n"),
be32_to_cpu(head->h_fmt), XLOG_FMT);
} else {
/* everything is ok */
return 0;
}
/* bail out now or just carry on regardless */
if (print_exit)
xlog_exit(_("Bad log"));
return 0;
}
void
print_lsn(char *string,
__be64 *lsn)
{
printf("%s: %u,%u", string,
CYCLE_LSN(be64_to_cpu(*lsn)), BLOCK_LSN(be64_to_cpu(*lsn)));
}
