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[cache] a lot of format 2 changes

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This commit is contained in:
Joe Thornber
2016-09-30 11:21:20 -04:00
parent bce4acf214
commit 05c4b7b400
10 changed files with 98 additions and 40 deletions
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7
caching/superblock.cc
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@@ -45,6 +45,8 @@ namespace {
le32 write_misses;
le32 policy_version[CACHE_POLICY_VERSION_SIZE];
le64 dirty_root; // format 2 only
} __attribute__ ((packed));
struct superblock_traits {
@@ -57,7 +59,7 @@ namespace {
uint32_t const SUPERBLOCK_MAGIC = 06142003;
uint32_t const VERSION_BEGIN = 1;
uint32_t const VERSION_END = 2;
uint32_t const VERSION_END = 3;
}
//----------------------------------------------------------------
@@ -195,6 +197,9 @@ superblock_traits::unpack(superblock_disk const &disk, superblock &core)
core.read_misses = to_cpu<uint32_t>(disk.read_misses);
core.write_hits = to_cpu<uint32_t>(disk.write_hits);
core.write_misses = to_cpu<uint32_t>(disk.write_misses);
if (core.version >= 2)
core.dirty_root = to_cpu<uint64_t>(disk.dirty_root);
}
void