提交 180e9526 编写于 作者: H Hu Tao 提交者: Kevin Wolf

block: don't convert file size to sector size

and avoid converting it back later.
Signed-off-by: NHu Tao <hutao@cn.fujitsu.com>
Reviewed-by: NMax Reitz <mreitz@redhat.com>
Reviewed-by: NBenoît Canet <benoit.canet@nodalink.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>
上级 c2eb918e
......@@ -494,8 +494,8 @@ static int qemu_gluster_create(const char *filename,
goto out;
}
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);
tmp = qemu_opt_get_del(opts, BLOCK_OPT_PREALLOC);
if (!tmp || !strcmp(tmp, "off")) {
......@@ -516,9 +516,8 @@ static int qemu_gluster_create(const char *filename,
if (!fd) {
ret = -errno;
} else {
if (!glfs_ftruncate(fd, total_size * BDRV_SECTOR_SIZE)) {
if (prealloc && qemu_gluster_zerofill(fd, 0,
total_size * BDRV_SECTOR_SIZE)) {
if (!glfs_ftruncate(fd, total_size)) {
if (prealloc && qemu_gluster_zerofill(fd, 0, total_size)) {
ret = -errno;
}
} else {
......
......@@ -725,8 +725,8 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
BlockDriverState *qcow_bs;
/* 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);
backing_file = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
if (qemu_opt_get_bool_del(opts, BLOCK_OPT_ENCRYPT, false)) {
flags |= BLOCK_FLAG_ENCRYPT;
......@@ -754,7 +754,7 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
memset(&header, 0, sizeof(header));
header.magic = cpu_to_be32(QCOW_MAGIC);
header.version = cpu_to_be32(QCOW_VERSION);
header.size = cpu_to_be64(total_size * 512);
header.size = cpu_to_be64(total_size);
header_size = sizeof(header);
backing_filename_len = 0;
if (backing_file) {
......@@ -776,7 +776,7 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
}
header_size = (header_size + 7) & ~7;
shift = header.cluster_bits + header.l2_bits;
l1_size = ((total_size * 512) + (1LL << shift) - 1) >> shift;
l1_size = (total_size + (1LL << shift) - 1) >> shift;
header.l1_table_offset = cpu_to_be64(header_size);
if (flags & BLOCK_FLAG_ENCRYPT) {
......
......@@ -1859,7 +1859,7 @@ 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;
......@@ -1912,7 +1912,7 @@ 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;
......@@ -1921,8 +1921,8 @@ 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)) {
......@@ -1972,7 +1972,7 @@ 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);
......
......@@ -1369,8 +1369,8 @@ 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,
......@@ -1394,7 +1394,7 @@ 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");
}
......@@ -1966,8 +1966,8 @@ static int hdev_create(const char *filename, QemuOpts *opts,
(void)has_prefix;
/* 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_BINARY);
if (fd < 0) {
......@@ -1983,7 +1983,7 @@ static int hdev_create(const char *filename, QemuOpts *opts,
error_setg(errp,
"The given file is neither a block nor a character device");
ret = -ENODEV;
} else if (lseek(fd, 0, SEEK_END) < total_size * BDRV_SECTOR_SIZE) {
} else if (lseek(fd, 0, SEEK_END) < total_size) {
error_setg(errp, "Device is too small");
ret = -ENOSPC;
}
......
......@@ -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;
}
......
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