diff options
| author | Stefano Garzarella <sgarzare@redhat.com> | 2019-03-27 10:56:34 +0100 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2019-04-30 15:29:00 +0200 |
| commit | 0cb98af2187a5c7e1723fc28f8ed359634dff550 (patch) | |
| tree | 8b30d2fe9ae5b31e97aee692fe6844861a1c5e91 | |
| parent | e9991e29ea5efb91324a1b1e10fbf553867964df (diff) | |
block/vhdx: Use IEC binary prefixes for size constants
Using IEC binary prefixes in order to make the code more readable,
with the exception of DEFAULT_LOG_SIZE because it's passed to
stringify().
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
| -rw-r--r-- | block/vhdx-log.c | 2 | ||||
| -rw-r--r-- | block/vhdx.c | 4 | ||||
| -rw-r--r-- | block/vhdx.h | 10 |
3 files changed, 9 insertions, 7 deletions
diff --git a/block/vhdx-log.c b/block/vhdx-log.c index 3149ff08d8..5e946846f1 100644 --- a/block/vhdx-log.c +++ b/block/vhdx-log.c @@ -551,7 +551,7 @@ static int vhdx_log_flush(BlockDriverState *bs, BDRVVHDXState *s, } if (file_length < desc_entries->hdr.last_file_offset) { new_file_size = desc_entries->hdr.last_file_offset; - if (new_file_size % (1024*1024)) { + if (new_file_size % (1 * MiB)) { /* round up to nearest 1MB boundary */ new_file_size = QEMU_ALIGN_UP(new_file_size, MiB); if (new_file_size > INT64_MAX) { diff --git a/block/vhdx.c b/block/vhdx.c index 7cd1fc3731..a143a57657 100644 --- a/block/vhdx.c +++ b/block/vhdx.c @@ -1175,7 +1175,7 @@ static int vhdx_allocate_block(BlockDriverState *bs, BDRVVHDXState *s, *new_offset = current_len; /* per the spec, the address for a block is in units of 1MB */ - *new_offset = ROUND_UP(*new_offset, 1024 * 1024); + *new_offset = ROUND_UP(*new_offset, 1 * MiB); if (*new_offset > INT64_MAX) { return -EINVAL; } @@ -1338,7 +1338,7 @@ static coroutine_fn int vhdx_co_writev(BlockDriverState *bs, int64_t sector_num, case PAYLOAD_BLOCK_FULLY_PRESENT: /* if the file offset address is in the header zone, * there is a problem */ - if (sinfo.file_offset < (1024 * 1024)) { + if (sinfo.file_offset < (1 * MiB)) { ret = -EFAULT; goto error_bat_restore; } diff --git a/block/vhdx.h b/block/vhdx.h index bf72090c8f..0b74924cee 100644 --- a/block/vhdx.h +++ b/block/vhdx.h @@ -20,6 +20,8 @@ #include "qemu/units.h" #define DEFAULT_LOG_SIZE 1048576 /* 1MiB */ +/* Note: can't use 1 * MiB, because it's passed to stringify() */ + /* Structures and fields present in the VHDX file */ /* The header section has the following blocks, @@ -32,7 +34,7 @@ * 0.........64KB...........128KB........192KB..........256KB................1MB */ -#define VHDX_HEADER_BLOCK_SIZE (64 * 1024) +#define VHDX_HEADER_BLOCK_SIZE (64 * KiB) #define VHDX_FILE_ID_OFFSET 0 #define VHDX_HEADER1_OFFSET (VHDX_HEADER_BLOCK_SIZE * 1) @@ -81,7 +83,7 @@ typedef struct QEMU_PACKED MSGUID { #define guid_eq(a, b) \ (memcmp(&(a), &(b), sizeof(MSGUID)) == 0) -#define VHDX_HEADER_SIZE (4 * 1024) /* although the vhdx_header struct in disk +#define VHDX_HEADER_SIZE (4 * KiB) /* although the vhdx_header struct in disk is only 582 bytes, for purposes of crc the header is the first 4KB of the 64KB block */ @@ -157,8 +159,8 @@ typedef struct QEMU_PACKED VHDXRegionTableEntry { /* ---- LOG ENTRY STRUCTURES ---- */ -#define VHDX_LOG_MIN_SIZE (1024 * 1024) -#define VHDX_LOG_SECTOR_SIZE 4096 +#define VHDX_LOG_MIN_SIZE (1 * MiB) +#define VHDX_LOG_SECTOR_SIZE (4 * KiB) #define VHDX_LOG_HDR_SIZE 64 #define VHDX_LOG_SIGNATURE 0x65676f6c typedef struct QEMU_PACKED VHDXLogEntryHeader { |