[Qemu-devel] [PATCH v10 2/6] raw, qcow2: don't convert file size to sector size

[Hu Tao]

and avoid converting it back later. And round up file size to nearest
sector.

Signed-off-by: Hu Tao <hu...@cn.fujitsu.com>
---
 block/qcow2.c     | 8 ++++----
 block/raw-posix.c | 4 ++--
 block/raw-win32.c | 4 ++--
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/block/qcow2.c b/block/qcow2.c
index 75b28cd..6732e7c 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1714,7 +1714,7 @@ static int qcow2_create2(const char *filename, int64_t 
total_size,
     }
 
     /* Okay, now that we have a valid image, let's give it the right size */
-    ret = bdrv_truncate(bs, total_size * BDRV_SECTOR_SIZE);
+    ret = bdrv_truncate(bs, total_size);
     if (ret < 0) {
         error_setg_errno(errp, -ret, "Could not resize image");
         goto out;
@@ -1767,7 +1767,7 @@ static int qcow2_create(const char *filename, 
QEMUOptionParameter *options,
 {
     const char *backing_file = NULL;
     const char *backing_fmt = NULL;
-    uint64_t sectors = 0;
+    uint64_t size = 0;
     int flags = 0;
     size_t cluster_size = DEFAULT_CLUSTER_SIZE;
     int prealloc = 0;
@@ -1778,7 +1778,7 @@ static int qcow2_create(const char *filename, 
QEMUOptionParameter *options,
     /* Read out options */
     while (options && options->name) {
         if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
-            sectors = DIV_ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
+            size = ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
         } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) {
             backing_file = options->value.s;
         } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FMT)) {
@@ -1829,7 +1829,7 @@ static int qcow2_create(const char *filename, 
QEMUOptionParameter *options,
         return -EINVAL;
     }
 
-    ret = qcow2_create2(filename, sectors, backing_file, backing_fmt, flags,
+    ret = qcow2_create2(filename, size, backing_file, backing_fmt, flags,
                         cluster_size, prealloc, options, version, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
diff --git a/block/raw-posix.c b/block/raw-posix.c
index c5b81e1..35057f0 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1285,7 +1285,7 @@ static int raw_create(const char *filename, 
QEMUOptionParameter *options,
     /* Read out options */
     while (options && options->name) {
         if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
-            total_size = DIV_ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
+            total_size = ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
         }
         options++;
     }
@@ -1296,7 +1296,7 @@ static int raw_create(const char *filename, 
QEMUOptionParameter *options,
         result = -errno;
         error_setg_errno(errp, -result, "Could not create file");
     } else {
-        if (ftruncate(fd, total_size * BDRV_SECTOR_SIZE) != 0) {
+        if (ftruncate(fd, total_size) != 0) {
             result = -errno;
             error_setg_errno(errp, -result, "Could not resize file");
         }
diff --git a/block/raw-win32.c b/block/raw-win32.c
index 8f83fab..f681648 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -514,7 +514,7 @@ static int raw_create(const char *filename, 
QEMUOptionParameter *options,
     /* Read out options */
     while (options && options->name) {
         if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
-            total_size = DIV_ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
+            total_size = ROUND_UP(options->value.n, BDRV_SECTOR_SIZE);
         }
         options++;
     }
@@ -526,7 +526,7 @@ static int raw_create(const char *filename, 
QEMUOptionParameter *options,
         return -EIO;
     }
     set_sparse(fd);
-    ftruncate(fd, total_size * 512);
+    ftruncate(fd, total_size);
     qemu_close(fd);
     return 0;
 }
-- 
1.9.3