[Qemu-devel] [PATCH v12 2/6] raw, qcow2: don't convert file size to sector size

[Hu Tao]

and avoid converting it back later.

Reviewed-by: Max Reitz <mre...@redhat.com>
Reviewed-by: Eric Blake <ebl...@redhat.com>
Signed-off-by: Hu Tao <hu...@cn.fujitsu.com>
---
 block/qcow2.c     | 10 +++++-----
 block/raw-posix.c |  6 +++---
 block/raw-win32.c |  6 +++---
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/block/qcow2.c b/block/qcow2.c
index 0dfbb9a..05df4b9 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1715,7 +1715,7 @@ 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;
@@ -1768,7 +1768,7 @@ static int qcow2_create(const char *filename, QemuOpts 
*opts, Error **errp)
     char *backing_file = NULL;
     char *backing_fmt = NULL;
     char *buf = NULL;
-    uint64_t sectors = 0;
+    uint64_t size = 0;
     int flags = 0;
     size_t cluster_size = DEFAULT_CLUSTER_SIZE;
     int prealloc = 0;
@@ -1777,8 +1777,8 @@ static int qcow2_create(const char *filename, QemuOpts 
*opts, Error **errp)
     int ret;
 
     /* Read out options */
-    sectors = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
-                           BDRV_SECTOR_SIZE);
+    size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
+                    BDRV_SECTOR_SIZE);
     backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
     backing_fmt = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FMT);
     if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ENCRYPT, false)) {
@@ -1828,7 +1828,7 @@ static int qcow2_create(const char *filename, QemuOpts 
*opts, Error **errp)
         goto finish;
     }
 
-    ret = qcow2_create2(filename, sectors, backing_file, backing_fmt, flags,
+    ret = qcow2_create2(filename, size, backing_file, backing_fmt, flags,
                         cluster_size, prealloc, opts, version, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 822522c..2af24af 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1332,8 +1332,8 @@ static int raw_create(const char *filename, QemuOpts 
*opts, Error **errp)
     strstart(filename, "file:", &filename);
 
     /* Read out options */
-    total_size = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
-                              BDRV_SECTOR_SIZE);
+    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
+                          BDRV_SECTOR_SIZE);
     nocow = qemu_opt_get_bool(opts, BLOCK_OPT_NOCOW, false);
 
     fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
@@ -1357,7 +1357,7 @@ static int raw_create(const char *filename, QemuOpts 
*opts, Error **errp)
 #endif
         }
 
-        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 1e1880d..9bf8225 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -511,8 +511,8 @@ static int raw_create(const char *filename, QemuOpts *opts, 
Error **errp)
     strstart(filename, "file:", &filename);
 
     /* Read out options */
-    total_size = DIV_ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
-                              BDRV_SECTOR_SIZE);
+    total_size = ROUND_UP(qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0),
+                          BDRV_SECTOR_SIZE);
 
     fd = qemu_open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
                    0644);
@@ -521,7 +521,7 @@ static int raw_create(const char *filename, QemuOpts *opts, 
Error **errp)
         return -EIO;
     }
     set_sparse(fd);
-    ftruncate(fd, total_size * 512);
+    ftruncate(fd, total_size);
     qemu_close(fd);
     return 0;
 }
-- 
1.9.3