diff options
| author | Leonid Bloch <lbloch@janustech.com> | 2018-09-26 19:04:41 +0300 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2018-10-01 12:51:12 +0200 |
| commit | b6a95c6d10075bb540ce50198bbe22fc0a4392c7 (patch) | |
| tree | 68e2d60bacd99758dda9f4c1ab998e3d6e5b518a /block/qcow2.h | |
| parent | 540b8492618ebbe98e7462bd7d31361b8cb10a05 (diff) | |
qcow2: Make sizes more humanly readable
Signed-off-by: Leonid Bloch <lbloch@janustech.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block/qcow2.h')
| -rw-r--r-- | block/qcow2.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/block/qcow2.h b/block/qcow2.h index 81b844e936..a8d6f757b1 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -27,6 +27,7 @@ #include "crypto/block.h" #include "qemu/coroutine.h" +#include "qemu/units.h" //#define DEBUG_ALLOC //#define DEBUG_ALLOC2 @@ -43,11 +44,11 @@ /* 8 MB refcount table is enough for 2 PB images at 64k cluster size * (128 GB for 512 byte clusters, 2 EB for 2 MB clusters) */ -#define QCOW_MAX_REFTABLE_SIZE 0x800000 +#define QCOW_MAX_REFTABLE_SIZE S_8MiB /* 32 MB L1 table is enough for 2 PB images at 64k cluster size * (128 GB for 512 byte clusters, 2 EB for 2 MB clusters) */ -#define QCOW_MAX_L1_SIZE 0x2000000 +#define QCOW_MAX_L1_SIZE S_32MiB /* Allow for an average of 1k per snapshot table entry, should be plenty of * space for snapshot names and IDs */ @@ -75,9 +76,9 @@ /* Whichever is more */ #define DEFAULT_L2_CACHE_CLUSTERS 8 /* clusters */ -#define DEFAULT_L2_CACHE_BYTE_SIZE 1048576 /* bytes */ +#define DEFAULT_L2_CACHE_SIZE S_1MiB -#define DEFAULT_CLUSTER_SIZE 65536 +#define DEFAULT_CLUSTER_SIZE S_64KiB #define QCOW2_OPT_LAZY_REFCOUNTS "lazy-refcounts" |