chiark / gitweb /
Revert "journal: optimize iteration: skip whole files behind current location"
[elogind.git] / src / journal / sd-journal.c
index be08a92b762882750f6f16928d11c2f9f01c909a..72c9770a99b0402004d9264d351284de4663b8cf 100644 (file)
@@ -497,47 +497,6 @@ static int compare_entry_order(JournalFile *af, Object *_ao,
         return 0;
 }
 
-static bool whole_file_precedes_location(JournalFile *f, Location *l, direction_t direction) {
-        assert(f);
-        assert(l);
-
-        if (l->type != LOCATION_DISCRETE && l->type != LOCATION_SEEK)
-                return false;
-
-        if (l->seqnum_set && sd_id128_equal(l->seqnum_id, f->header->seqnum_id))
-                return direction == DIRECTION_DOWN ?
-                        l->seqnum > le64toh(f->header->tail_entry_seqnum) :
-                        l->seqnum < le64toh(f->header->head_entry_seqnum);
-
-        if (l->realtime_set)
-                return direction == DIRECTION_DOWN ?
-                        l->realtime > le64toh(f->header->tail_entry_realtime) :
-                        l->realtime < le64toh(f->header->head_entry_realtime);
-
-        return false;
-}
-
-static bool file_may_have_preceding_entry(JournalFile *f, JournalFile *of, uint64_t op, direction_t direction) {
-        Object *o;
-        int r;
-
-        assert(f);
-        assert(of);
-
-        r = journal_file_move_to_object(of, OBJECT_ENTRY, op, &o);
-        if (r < 0)
-                return true;
-
-        if (sd_id128_equal(f->header->seqnum_id, of->header->seqnum_id))
-                return direction == DIRECTION_DOWN ?
-                        le64toh(o->entry.seqnum) >= le64toh(f->header->head_entry_seqnum) :
-                        le64toh(o->entry.seqnum) <= le64toh(f->header->tail_entry_seqnum);
-
-        return direction == DIRECTION_DOWN ?
-                le64toh(o->entry.realtime) >= le64toh(f->header->head_entry_realtime) :
-                le64toh(o->entry.realtime) <= le64toh(f->header->tail_entry_realtime);
-}
-
 _pure_ static int compare_with_location(JournalFile *af, Object *ao, Location *l) {
         uint64_t a;
 
@@ -923,12 +882,6 @@ static int real_journal_next(sd_journal *j, direction_t direction) {
         ORDERED_HASHMAP_FOREACH(f, j->files, i) {
                 bool found;
 
-                if (whole_file_precedes_location(f, &j->current_location, direction))
-                        continue;
-
-                if (new_file && !file_may_have_preceding_entry(f, new_file, new_offset, direction))
-                        continue;
-
                 r = next_beyond_location(j, f, direction, &o, &p);
                 if (r < 0) {
                         log_debug_errno(r, "Can't iterate through %s, ignoring: %m", f->path);