forked from pool/systemd
- Added patches to fix journal with FSS protection enabled (bsc#1000435)
0001-journal-fix-HMAC-calculation-when-appending-a-data-o.patch 0001-journal-set-STATE_ARCHIVED-as-part-of-offlining-2740.patch 0001-journal-warn-when-we-fail-to-append-a-tag-to-a-journ.patch OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=952
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Franck Bui
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@ -0,0 +1,54 @@
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From 6dac79e09ec1b45f05b3e9a5f1f445859b6eefd2 Mon Sep 17 00:00:00 2001
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From: Franck Bui <fbui@suse.com>
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Date: Fri, 23 Sep 2016 13:33:01 +0200
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Subject: [PATCH 1/1] journal: fix HMAC calculation when appending a data
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object
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Since commit 5996c7c295e073ce21d41305169132c8aa993ad0 (v190 !), the
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calculation of the HMAC is broken because the hash for a data object
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including a field is done in the wrong order: the field object is
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hashed before the data object is.
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However during verification, the hash is done in the opposite order as
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objects are scanned sequentially.
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(cherry picked from commit 33685a5a3a98c6ded64d0cc25e37d0180ceb0a6a)
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[fbui: fixes bsc#1000435]
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---
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src/journal/journal-file.c | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
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index a9882cf..a24d97d 100644
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--- a/src/journal/journal-file.c
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+++ b/src/journal/journal-file.c
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@@ -1111,6 +1111,12 @@ static int journal_file_append_data(
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if (r < 0)
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return r;
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+#ifdef HAVE_GCRYPT
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+ r = journal_file_hmac_put_object(f, OBJECT_DATA, o, p);
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+ if (r < 0)
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+ return r;
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+#endif
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+
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/* The linking might have altered the window, so let's
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* refresh our pointer */
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r = journal_file_move_to_object(f, OBJECT_DATA, p, &o);
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@@ -1135,12 +1141,6 @@ static int journal_file_append_data(
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fo->field.head_data_offset = le64toh(p);
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}
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-#ifdef HAVE_GCRYPT
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- r = journal_file_hmac_put_object(f, OBJECT_DATA, o, p);
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- if (r < 0)
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- return r;
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-#endif
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-
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if (ret)
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*ret = o;
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--
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2.10.0
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@ -0,0 +1,93 @@
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From 0d0bad044f8f19c472acb69d10861a66d3d267b6 Mon Sep 17 00:00:00 2001
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From: Vito Caputo <vcaputo@gnugeneration.com>
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Date: Tue, 26 Apr 2016 23:29:43 -0700
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Subject: [PATCH 1/1] journal: set STATE_ARCHIVED as part of offlining (#2740)
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The only code path which makes a journal durable is via
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journal_file_set_offline().
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When we perform a rotate the journal's header->state is being set to
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STATE_ARCHIVED prior to journal_file_set_offline() being called.
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In journal_file_set_offline(), we short-circuit the entire offline when
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f->header->state != STATE_ONLINE.
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This all results in none of the journal_file_set_offline() fsync() calls
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being reached when rotate archives a journal, so archived journals are
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never explicitly made durable.
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What we do now is instead of setting the f->header->state to
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STATE_ARCHIVED directly in journal_file_rotate() prior to
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journal_file_close(), we set an archive flag in f->archive for the
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journal_file_set_offline() machinery to honor by committing
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STATE_ARCHIVED instead of STATE_OFFLINE when set.
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Prior to this, rotated journals were never getting fsync() explicitly
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performed on them, since journal_file_set_offline() short-circuited.
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Obviously this is undesirable, and depends entirely on the underlying
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filesystem as to how much durability was achieved when simply closing
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the file.
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Note that this problem existed prior to the recent asynchronous fsync
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changes, but those changes do facilitate our performing this durable
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offline on rotate without blocking, regardless of the underlying
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filesystem sync-on-close semantics.
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(cherry picked from commit 8eb851711fd166024297c425e9261200c36f489d)
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[fbui: context adjustment: the asynchronous journal_file_set_offline()
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thingie doesn't exist in v228]
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[fbui: this also fixes the case when we wanted to append a tag (for
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FSS verification) when closing the journal. Before this patch,
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journal_file_append_tag() failed (silently) because re-opening
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the journal to write the tag was not possible since it was
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already in "archived" mode.]
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---
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src/journal/journal-file.c | 10 ++++++++--
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src/journal/journal-file.h | 1 +
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2 files changed, 9 insertions(+), 2 deletions(-)
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diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
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index f9ff954..e7eecad 100644
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--- a/src/journal/journal-file.c
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+++ b/src/journal/journal-file.c
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@@ -130,7 +130,7 @@ int journal_file_set_offline(JournalFile *f) {
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if (mmap_cache_got_sigbus(f->mmap, f->fd))
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return -EIO;
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- f->header->state = STATE_OFFLINE;
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+ f->header->state = f->archive ? STATE_ARCHIVED : STATE_OFFLINE;
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if (mmap_cache_got_sigbus(f->mmap, f->fd))
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return -EIO;
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@@ -2813,7 +2813,13 @@ int journal_file_rotate(JournalFile **f, bool compress, bool seal) {
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if (r < 0 && errno != ENOENT)
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return -errno;
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- old_file->header->state = STATE_ARCHIVED;
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+ /* Set as archive so offlining commits w/state=STATE_ARCHIVED.
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+ * Previously we would set old_file->header->state to STATE_ARCHIVED directly here,
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+ * but journal_file_set_offline() short-circuits when state != STATE_ONLINE, which
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+ * would result in the rotated journal never getting fsync() called before closing.
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+ * Now we simply queue the archive state by setting an archive bit, leaving the state
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+ * as STATE_ONLINE so proper offlining occurs. */
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+ old_file->archive = true;
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/* Currently, btrfs is not very good with out write patterns
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* and fragments heavily. Let's defrag our journal files when
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diff --git a/src/journal/journal-file.h b/src/journal/journal-file.h
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index 898d12d..436e5ff 100644
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--- a/src/journal/journal-file.h
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+++ b/src/journal/journal-file.h
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@@ -76,6 +76,7 @@ typedef struct JournalFile {
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bool compress_lz4:1;
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bool seal:1;
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bool defrag_on_close:1;
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+ bool archive:1;
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bool tail_entry_monotonic_valid:1;
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--
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2.10.0
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@ -0,0 +1,36 @@
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From 9f47fe6b6a9aad001e99f1fdea78a0c54ce8ae55 Mon Sep 17 00:00:00 2001
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From: Franck Bui <fbui@suse.com>
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Date: Fri, 23 Sep 2016 12:12:13 +0200
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Subject: [PATCH 1/1] journal: warn when we fail to append a tag to a journal
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We shouldn't silently fail when appending the tag to a journal file
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since FSS protection will simply be disabled in this case.
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(cherry picked from commit 43cd8794839548a6f332875e8bee8bed2652bf2c)
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---
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src/journal/journal-file.c | 9 +++++++--
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1 file changed, 7 insertions(+), 2 deletions(-)
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diff --git a/src/journal/journal-file.c b/src/journal/journal-file.c
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index e7eecad..a9882cf 100644
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--- a/src/journal/journal-file.c
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+++ b/src/journal/journal-file.c
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@@ -145,8 +145,13 @@ JournalFile* journal_file_close(JournalFile *f) {
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#ifdef HAVE_GCRYPT
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/* Write the final tag */
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- if (f->seal && f->writable)
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- journal_file_append_tag(f);
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+ if (f->seal && f->writable) {
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+ int r;
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+
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+ r = journal_file_append_tag(f);
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+ if (r < 0)
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+ log_error_errno(r, "Failed to append tag when closing journal: %m");
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+ }
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#endif
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journal_file_set_offline(f);
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--
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2.10.0
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@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Mon Sep 26 09:09:27 UTC 2016 - fbui@suse.com
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- Added patches to fix journal with FSS protection enabled (bsc#1000435)
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0001-journal-fix-HMAC-calculation-when-appending-a-data-o.patch
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0001-journal-set-STATE_ARCHIVED-as-part-of-offlining-2740.patch
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0001-journal-warn-when-we-fail-to-append-a-tag-to-a-journ.patch
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-------------------------------------------------------------------
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Wed Sep 21 11:54:39 UTC 2016 - fbui@suse.com
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@ -265,6 +265,9 @@ Patch529: 0001-systemctl-pid1-do-not-warn-about-missing-install-inf.patch
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Patch530: systemd-230-cgroup2-use-new-fstype-for-unified-hierarchy.patch
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# PATCH-FIX-UPSTREAM -- fixed after 231
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Patch531: 0001-rules-block-add-support-for-pmem-devices-3683.patch
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Patch532: 0001-journal-set-STATE_ARCHIVED-as-part-of-offlining-2740.patch
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Patch533: 0001-journal-warn-when-we-fail-to-append-a-tag-to-a-journ.patch
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Patch534: 0001-journal-fix-HMAC-calculation-when-appending-a-data-o.patch
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# UDEV PATCHES
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# ============
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@ -611,6 +614,9 @@ cp %{SOURCE7} m4/
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%patch529 -p1
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%patch530 -p1
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%patch531 -p1
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%patch532 -p1
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%patch533 -p1
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%patch534 -p1
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# udev patches
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%patch1002 -p1
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@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Mon Sep 26 09:09:27 UTC 2016 - fbui@suse.com
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- Added patches to fix journal with FSS protection enabled (bsc#1000435)
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0001-journal-fix-HMAC-calculation-when-appending-a-data-o.patch
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0001-journal-set-STATE_ARCHIVED-as-part-of-offlining-2740.patch
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0001-journal-warn-when-we-fail-to-append-a-tag-to-a-journ.patch
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-------------------------------------------------------------------
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Wed Sep 21 11:54:39 UTC 2016 - fbui@suse.com
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@ -260,6 +260,9 @@ Patch529: 0001-systemctl-pid1-do-not-warn-about-missing-install-inf.patch
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Patch530: systemd-230-cgroup2-use-new-fstype-for-unified-hierarchy.patch
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# PATCH-FIX-UPSTREAM -- fixed after 231
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Patch531: 0001-rules-block-add-support-for-pmem-devices-3683.patch
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Patch532: 0001-journal-set-STATE_ARCHIVED-as-part-of-offlining-2740.patch
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Patch533: 0001-journal-warn-when-we-fail-to-append-a-tag-to-a-journ.patch
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Patch534: 0001-journal-fix-HMAC-calculation-when-appending-a-data-o.patch
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# UDEV PATCHES
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# ============
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@ -606,6 +609,9 @@ cp %{SOURCE7} m4/
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%patch529 -p1
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%patch530 -p1
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%patch531 -p1
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%patch532 -p1
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%patch533 -p1
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%patch534 -p1
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# udev patches
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%patch1002 -p1
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