journal: remember last direction of search and keep offset cache

The fields in JournalFile are moved around to avoid wasting
7 bytes because of alignment.

1 files changed, 11 insertions, 7 deletions

diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index 7b1cd42854..5cc2c2d28d 100644
--- a/src/journal/journal-file.h
+++ b/src/journal/journal-file.h
@@ -42,10 +42,14 @@ typedef struct JournalMetrics {
         uint64_t keep_free;
 } JournalMetrics;
 
+typedef enum direction {
+        DIRECTION_UP,
+        DIRECTION_DOWN
+} direction_t;
+
 typedef struct JournalFile {
         int fd;
-        char *path;
-        struct stat last_stat;
+
         mode_t mode;
 
         int flags;
@@ -56,6 +60,11 @@ typedef struct JournalFile {
 
         bool tail_entry_monotonic_valid;
 
+        direction_t last_direction;
+
+        char *path;
+        struct stat last_stat;
+
         Header *header;
         HashItem *data_hash_table;
         HashItem *field_hash_table;
@@ -90,11 +99,6 @@ typedef struct JournalFile {
 #endif
 } JournalFile;
 
-typedef enum direction {
-        DIRECTION_UP,
-        DIRECTION_DOWN
-} direction_t;
-
 int journal_file_open(
                 const char *fname,
                 int flags,