return fd_get_whole_disk(fd, backing, ret);
}
-int block_device_add_partition(int fd, const char *name, int nr, uint64_t start, uint64_t size) {
+int block_device_add_partition(
+ int fd,
+ const char *name,
+ int nr,
+ uint64_t start,
+ uint64_t size) {
+
assert(fd >= 0);
assert(name);
assert(nr > 0);
return RET_NERRNO(ioctl(fd, BLKPG, &ba));
}
-int block_device_remove_partition(int fd, const char *name, int nr) {
+int block_device_remove_partition(
+ int fd,
+ const char *name,
+ int nr) {
+
assert(fd >= 0);
assert(name);
assert(nr > 0);
return RET_NERRNO(ioctl(fd, BLKPG, &ba));
}
+int block_device_resize_partition(
+ int fd,
+ int nr,
+ uint64_t start,
+ uint64_t size) {
+
+ assert(fd >= 0);
+ assert(nr > 0);
+
+ struct blkpg_partition bp = {
+ .pno = nr,
+ .start = start,
+ .length = size,
+ };
+
+ struct blkpg_ioctl_arg ba = {
+ .op = BLKPG_RESIZE_PARTITION,
+ .data = &bp,
+ .datalen = sizeof(bp),
+ };
+
+ return RET_NERRNO(ioctl(fd, BLKPG, &ba));
+}
+
int block_device_remove_all_partitions(int fd) {
struct stat stat;
_cleanup_(sd_device_unrefp) sd_device *dev = NULL;
int block_device_add_partition(int fd, const char *name, int nr, uint64_t start, uint64_t size);
int block_device_remove_partition(int fd, const char *name, int nr);
+int block_device_resize_partition(int fd, int nr, uint64_t start, uint64_t size);
int block_device_remove_all_partitions(int fd);
if (r < 0)
return r;
- struct blkpg_partition bp = {
- .pno = partno,
- .start = offset == UINT64_MAX ? current_offset : offset,
- .length = size == UINT64_MAX ? current_size : size,
- };
-
- struct blkpg_ioctl_arg ba = {
- .op = BLKPG_RESIZE_PARTITION,
- .data = &bp,
- .datalen = sizeof(bp),
- };
-
- return RET_NERRNO(ioctl(whole_fd, BLKPG, &ba));
+ return block_device_resize_partition(
+ whole_fd,
+ partno,
+ offset == UINT64_MAX ? current_offset : offset,
+ size == UINT64_MAX ? current_size : size);
}
int loop_device_refresh_size(LoopDevice *d, uint64_t offset, uint64_t size) {