Revert "journal: optimize iteration: skip files that cannot improve current candidate...

This reverts commit f8b5a3b75fb55f0acb85c21424b3893c822742e9.

This optimization will be made redundant by the following patches.

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index be08a92b762882750f6f16928d11c2f9f01c909a..15cc1fc49fed8eebf6f2362318823cdda70ec17c 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -517,27 +517,6 @@ static bool whole_file_precedes_location(JournalFile *f, Location *l, direction_
         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;
 
@@ -926,9 +905,6 @@ static int real_journal_next(sd_journal *j, direction_t direction) {
                 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);