From 3e3553905cfc814d59de6d1a634c3a991b2a9257 Mon Sep 17 00:00:00 2001 From: Max Reitz Date: Thu, 10 Oct 2013 11:09:24 +0200 Subject: qcow2: Make overlap check mask variable Replace the QCOW2_OL_DEFAULT macro by a variable overlap_check in BDRVQcowState. Signed-off-by: Max Reitz Signed-off-by: Kevin Wolf --- block/qcow2-refcount.c | 2 +- block/qcow2.c | 2 ++ block/qcow2.h | 5 ++--- 3 files changed, 5 insertions(+), 4 deletions(-) (limited to 'block') diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c index 988644a281..1ff43d0906 100644 --- a/block/qcow2-refcount.c +++ b/block/qcow2-refcount.c @@ -1649,7 +1649,7 @@ int qcow2_check_metadata_overlap(BlockDriverState *bs, int ign, int64_t offset, int64_t size) { BDRVQcowState *s = bs->opaque; - int chk = QCOW2_OL_DEFAULT & ~ign; + int chk = s->overlap_check & ~ign; int i, j; if (!size) { diff --git a/block/qcow2.c b/block/qcow2.c index c461471ade..46acca75f0 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -631,6 +631,8 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags, s->discard_passthrough[QCOW2_DISCARD_OTHER] = qemu_opt_get_bool(opts, QCOW2_OPT_DISCARD_OTHER, false); + s->overlap_check = QCOW2_OL_CACHED; + qemu_opts_del(opts); if (s->use_lazy_refcounts && s->qcow_version < 3) { diff --git a/block/qcow2.h b/block/qcow2.h index 8692011347..6c85bb9395 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -203,6 +203,8 @@ typedef struct BDRVQcowState { bool discard_passthrough[QCOW2_DISCARD_MAX]; + int overlap_check; /* bitmask of Qcow2MetadataOverlap values */ + uint64_t incompatible_features; uint64_t compatible_features; uint64_t autoclear_features; @@ -321,9 +323,6 @@ typedef enum QCow2MetadataOverlap { QCOW2_OL_REFCOUNT_TABLE | QCOW2_OL_REFCOUNT_BLOCK | \ QCOW2_OL_SNAPSHOT_TABLE | QCOW2_OL_INACTIVE_L1) -/* The default checks to perform */ -#define QCOW2_OL_DEFAULT QCOW2_OL_CACHED - #define L1E_OFFSET_MASK 0x00ffffffffffff00ULL #define L2E_OFFSET_MASK 0x00ffffffffffff00ULL #define L2E_COMPRESSED_OFFSET_SIZE_MASK 0x3fffffffffffffffULL -- cgit v1.2.3