journal: make skipping of exhausted journal files effective again

[elogind.git] / src / journal / sd-journal.c

diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 94891cdf35b16b6aad570e2150fa81fb2c7a4643..9b57e5945dd385f1863f2b2be449b8f6e9b167dc 100644 (file)
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -723,13 +723,17 @@ static int next_beyond_location(sd_journal *j, JournalFile *f, direction_t direc
         assert(j);
         assert(f);
 
-        if (f->last_direction == direction && f->current_offset > 0) {
-                /* If we hit EOF before, recheck if any new entries arrived. */
-                n_entries = le64toh(f->header->n_entries);
-                if (f->location_type == LOCATION_TAIL && n_entries == f->last_n_entries)
-                        return 0;
-                f->last_n_entries = n_entries;
+        n_entries = le64toh(f->header->n_entries);
+
+        /* If we hit EOF before, we don't need to look into this file again
+         * unless direction changed or new entries appeared. */
+        if (f->last_direction == direction && f->location_type == LOCATION_TAIL &&
+            n_entries == f->last_n_entries)
+                return 0;
 
+        f->last_n_entries = n_entries;
+
+        if (f->last_direction == direction && f->current_offset > 0) {
                 /* LOCATION_SEEK here means we did the work in a previous
                  * iteration and the current location already points to a
                  * candidate entry. */
@@ -738,14 +742,16 @@ static int next_beyond_location(sd_journal *j, JournalFile *f, direction_t direc
                         if (r <= 0)
                                 return r;
 
-                        journal_file_save_location(f, direction, c, cp);
+                        journal_file_save_location(f, c, cp);
                 }
         } else {
+                f->last_direction = direction;
+
                 r = find_location_with_matches(j, f, direction, &c, &cp);
                 if (r <= 0)
                         return r;
 
-                journal_file_save_location(f, direction, c, cp);
+                journal_file_save_location(f, c, cp);
         }
 
         /* OK, we found the spot, now let's advance until an entry
@@ -773,7 +779,7 @@ static int next_beyond_location(sd_journal *j, JournalFile *f, direction_t direc
                 if (r <= 0)
                         return r;
 
-                journal_file_save_location(f, direction, c, cp);
+                journal_file_save_location(f, c, cp);
         }
 }