d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement vhd_resize(): we round to a multiple of the block size,

Browse Source 
which is 4096 sectors per block or 2M bytes per block.
This commit is contained in:
marcel 2014-06-26 04:04:53 +00:00
parent fd9cbcec10
commit 363855dd1b
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
vhd.c
View File

@ -51,6 +51,8 @@ __FBSDID("$FreeBSD$");
* o The timestamp is seconds since 1/1/2000 12:00:00 AM UTC
*/
#define VHD_BLOCK_SIZE 4096 /* 2MB blocks */
struct vhd_footer {
char cookie[8];
#define VHD_COOKIE_MICROSOFT "conectix"
@ -114,10 +116,12 @@ struct vhd_dyn_header {
_Static_assert(sizeof(struct vhd_dyn_header) == 1024, "Wrong size for header");
static int
vhd_resize(lba_t imgsz __unused)
vhd_resize(lba_t imgsz)
{
return (0);
/* Round to a multiple of the block size. */
imgsz = (imgsz + VHD_BLOCK_SIZE - 1) & ~(VHD_BLOCK_SIZE - 1);
return (image_set_size(imgsz));
}
static int