[Qemu-devel] [PATCH v5 2/4] raw, qcow2: don't convert file size to sector size

[Hu Tao <hutao@cn.fujitsu.com>]

and avoid convert it back later.

Signed-off-by: Your Name <you@example.com>
---
 block/qcow2.c     | 8 ++++----
 block/raw-posix.c | 4 ++--
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/block/qcow2.c b/block/qcow2.c
index 30e36bc..e4bab70 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -1569,7 +1569,7 @@ 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;
@@ -1619,7 +1619,7 @@ 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;
     PreallocMode prealloc = PREALLOC_MODE_OFF;
@@ -1630,7 +1630,7 @@ static int qcow2_create(const char *filename, QEMUOptionParameter *options,
     /* Read out options */
     while (options && options->name) {
         if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
-            sectors = options->value.n / 512;
+            size = options->value.n & BDRV_SECTOR_MASK;
         } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FILE)) {
             backing_file = options->value.s;
         } else if (!strcmp(options->name, BLOCK_OPT_BACKING_FMT)) {
@@ -1681,7 +1681,7 @@ 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 (error_is_set(&local_err)) {
         error_propagate(errp, local_err);
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 126a634..01fb41a 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -1233,7 +1233,7 @@ 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 = options->value.n / BDRV_SECTOR_SIZE;
+            total_size = options->value.n & BDRV_SECTOR_MASK;
         }
         options++;
     }
@@ -1244,7 +1244,7 @@ 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");
         }
-- 
1.8.0