diff options
| -rw-r--r-- | block/qcow2.c | 5 | ||||
| -rw-r--r-- | block/qcow2.h | 2 | ||||
| -rw-r--r-- | block/qed.c | 3 | ||||
| -rw-r--r-- | block/vdi.c | 6 |
4 files changed, 11 insertions, 5 deletions
diff --git a/block/qcow2.c b/block/qcow2.c index db1931b95b..8451ded9a3 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -1036,7 +1036,7 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options) const char *backing_fmt = NULL; uint64_t sectors = 0; int flags = 0; - size_t cluster_size = 65536; + size_t cluster_size = DEFAULT_CLUSTER_SIZE; int prealloc = 0; /* Read out options */ @@ -1343,7 +1343,8 @@ static QEMUOptionParameter qcow2_create_options[] = { { .name = BLOCK_OPT_CLUSTER_SIZE, .type = OPT_SIZE, - .help = "qcow2 cluster size" + .help = "qcow2 cluster size", + .value = { .n = DEFAULT_CLUSTER_SIZE }, }, { .name = BLOCK_OPT_PREALLOC, diff --git a/block/qcow2.h b/block/qcow2.h index a019831838..e1ae3e8c2b 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -54,6 +54,8 @@ /* Must be at least 4 to cover all cases of refcount table growth */ #define REFCOUNT_CACHE_SIZE 4 +#define DEFAULT_CLUSTER_SIZE 65536 + typedef struct QCowHeader { uint32_t magic; uint32_t version; diff --git a/block/qed.c b/block/qed.c index da0bf3127b..39703793e9 100644 --- a/block/qed.c +++ b/block/qed.c @@ -1464,7 +1464,8 @@ static QEMUOptionParameter qed_create_options[] = { }, { .name = BLOCK_OPT_CLUSTER_SIZE, .type = OPT_SIZE, - .help = "Cluster size (in bytes)" + .help = "Cluster size (in bytes)", + .value = { .n = QED_DEFAULT_CLUSTER_SIZE }, }, { .name = BLOCK_OPT_TABLE_SIZE, .type = OPT_SIZE, diff --git a/block/vdi.c b/block/vdi.c index 701745bf8c..4c9e201c33 100644 --- a/block/vdi.c +++ b/block/vdi.c @@ -87,6 +87,7 @@ void uuid_unparse(const uuid_t uu, char *out); #define MiB (KiB * KiB) #define SECTOR_SIZE 512 +#define DEFAULT_CLUSTER_SIZE (1 * MiB) #if defined(CONFIG_VDI_DEBUG) #define logout(fmt, ...) \ @@ -803,7 +804,7 @@ static int vdi_create(const char *filename, QEMUOptionParameter *options) int result = 0; uint64_t bytes = 0; uint32_t blocks; - size_t block_size = 1 * MiB; + size_t block_size = DEFAULT_CLUSTER_SIZE; uint32_t image_type = VDI_TYPE_DYNAMIC; VdiHeader header; size_t i; @@ -921,7 +922,8 @@ static QEMUOptionParameter vdi_create_options[] = { { .name = BLOCK_OPT_CLUSTER_SIZE, .type = OPT_SIZE, - .help = "VDI cluster (block) size" + .help = "VDI cluster (block) size", + .value = { .n = DEFAULT_CLUSTER_SIZE }, }, #endif #if defined(CONFIG_VDI_STATIC_IMAGE) |