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| author | Kent Overstreet <kmo@daterainc.com> | 2013-11-01 02:46:42 +0400 |
|---|---|---|
| committer | Kent Overstreet <kmo@daterainc.com> | 2013-11-11 09:56:33 +0400 |
| commit | 81ab4190ac17df41686a37c97f701623276b652a (patch) | |
| tree | be7f48b5ad6d36fadbac4658d37953d324d760d0 /drivers/md/bcache/journal.h | |
| parent | 2599b53b7b0ea6103d1661dca74d35480cb8fa1f (diff) | |
| download | linux-81ab4190ac17df41686a37c97f701623276b652a.tar.xz | |
bcache: Pull on disk data structures out into a separate header
Now, the on disk data structures are in a header that can be exported to
userspace - and having them all centralized is nice too.
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Diffstat (limited to 'drivers/md/bcache/journal.h')
| -rw-r--r-- | drivers/md/bcache/journal.h | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/md/bcache/journal.h b/drivers/md/bcache/journal.h index 5e9edb9ef376..a6472fda94b2 100644 --- a/drivers/md/bcache/journal.h +++ b/drivers/md/bcache/journal.h @@ -75,43 +75,6 @@ * nodes that are pinning the oldest journal entries first. */ -#define BCACHE_JSET_VERSION_UUIDv1 1 -/* Always latest UUID format */ -#define BCACHE_JSET_VERSION_UUID 1 -#define BCACHE_JSET_VERSION 1 - -/* - * On disk format for a journal entry: - * seq is monotonically increasing; every journal entry has its own unique - * sequence number. - * - * last_seq is the oldest journal entry that still has keys the btree hasn't - * flushed to disk yet. - * - * version is for on disk format changes. - */ -struct jset { - uint64_t csum; - uint64_t magic; - uint64_t seq; - uint32_t version; - uint32_t keys; - - uint64_t last_seq; - - BKEY_PADDED(uuid_bucket); - BKEY_PADDED(btree_root); - uint16_t btree_level; - uint16_t pad[3]; - - uint64_t prio_bucket[MAX_CACHES_PER_SET]; - - union { - struct bkey start[0]; - uint64_t d[0]; - }; -}; - /* * Only used for holding the journal entries we read in btree_journal_read() * during cache_registration |