systemd-204-8

- fix, which helps to sucessfully browse journals with
  duplicated seqnums
This commit is contained in:
Harald Hoyer 2013-06-14 16:14:17 +02:00
parent f9af8840e9
commit 670c702a45
2 changed files with 128 additions and 1 deletions

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@ -0,0 +1,122 @@
From 87011c25d96e9fbcd8a465ba758fa037c7d08203 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Thu, 6 Jun 2013 22:28:05 -0400
Subject: [PATCH 01/13] 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.
---
TODO | 3 ---
src/journal/journal-file.h | 18 +++++++++++-------
src/journal/sd-journal.c | 11 +++++------
3 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/TODO b/TODO
index 0dd19a0..1dc585c 100644
--- a/TODO
+++ b/TODO
@@ -77,9 +77,6 @@ Features:
* investigate endianess issues of UUID vs. GUID
-* see if we can fix https://bugs.freedesktop.org/show_bug.cgi?id=63672
- without dropping the location cache entirely.
-
* dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we
should be able to safely try another attempt when the bus call LoadUnit() is invoked.
diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
index 7b1cd42..5cc2c2d 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,
diff --git a/src/journal/sd-journal.c b/src/journal/sd-journal.c
index 3aa9ed4..4c4cc2d 100644
--- a/src/journal/sd-journal.c
+++ b/src/journal/sd-journal.c
@@ -102,7 +102,8 @@ static void init_location(Location *l, LocationType type, JournalFile *f, Object
l->seqnum_set = l->realtime_set = l->monotonic_set = l->xor_hash_set = true;
}
-static void set_location(sd_journal *j, LocationType type, JournalFile *f, Object *o, uint64_t offset) {
+static void set_location(sd_journal *j, LocationType type, JournalFile *f, Object *o,
+ direction_t direction, uint64_t offset) {
assert(j);
assert(type == LOCATION_DISCRETE || type == LOCATION_SEEK);
assert(f);
@@ -110,12 +111,10 @@ static void set_location(sd_journal *j, LocationType type, JournalFile *f, Objec
init_location(&j->current_location, type, f, o);
- if (j->current_file)
- j->current_file->current_offset = 0;
-
j->current_file = f;
j->current_field = 0;
+ f->last_direction = direction;
f->current_offset = offset;
}
@@ -811,7 +810,7 @@ static int next_beyond_location(sd_journal *j, JournalFile *f, direction_t direc
assert(j);
assert(f);
- if (f->current_offset > 0) {
+ if (f->last_direction == direction && f->current_offset > 0) {
cp = f->current_offset;
r = journal_file_move_to_object(f, OBJECT_ENTRY, cp, &c);
@@ -908,7 +907,7 @@ static int real_journal_next(sd_journal *j, direction_t direction) {
if (r < 0)
return r;
- set_location(j, LOCATION_DISCRETE, new_file, o, new_offset);
+ set_location(j, LOCATION_DISCRETE, new_file, o, direction, new_offset);
return 1;
}
--
1.8.2.1

View File

@ -13,7 +13,7 @@
Name: systemd
Url: http://www.freedesktop.org/wiki/Software/systemd
Version: 204
Release: 7%{?gitcommit:.git%{gitcommit}}%{?dist}
Release: 8%{?gitcommit:.git%{gitcommit}}%{?dist}
# For a breakdown of the licensing, see README
License: LGPLv2+ and MIT and GPLv2+
Summary: A System and Service Manager
@ -36,6 +36,7 @@ Source4: listen.conf
Source6: yum-protect-systemd.conf
Patch1: 0001-journal-letting-interleaved-seqnums-go.patch
Patch2: 0002-journal-remember-last-direction-of-search-and-keep-o.patch
# kernel-install patch for grubby, drop if grubby is obsolete
Patch1000: kernel-install-grubby.patch
@ -757,6 +758,10 @@ fi
%{_libdir}/pkgconfig/gudev-1.0*
%changelog
* Fri Jun 14 2013 Harald Hoyer <harald@redhat.com> 204-8
- fix, which helps to sucessfully browse journals with
duplicated seqnums
* Fri Jun 14 2013 Harald Hoyer <harald@redhat.com> 204-7
- fix duplicate message ID bug
Resolves: rhbz#974132